Windows Analysis Report
CH _ MEP.pdf

Overview

General Information

Sample name: CH _ MEP.pdf
renamed because original name is a hash value
Original sample name: ADDEND #1 - M-101 - JR&S - 880 THIRD AVE - 4TH - PREBUILD - TK_CD00_ISSUED FOR ADDENDUM NO. 1 10.11.24 ARCH _ MEP.pdf
Analysis ID: 1546275
MD5: 0d4821dea7f4b34b5a2a21aacf494bd0
SHA1: 14bbe13a4b90e80b244f00f515c2cb09dc5fc5c0
SHA256: 28764ccd3adc74789bd468edac38bdaf8e2da4e029fe0d77db4fb54452425906
Infos:

Detection

Score: 3
Range: 0 - 100
Whitelisted: false
Confidence: 80%

Signatures

IP address seen in connection with other malware
Potential document exploit detected (performs DNS queries)
Potential document exploit detected (performs HTTP gets)
Potential document exploit detected (unknown TCP traffic)
Suricata IDS alerts with low severity for network traffic
Uses a known web browser user agent for HTTP communication

Classification

Source: global traffic DNS query: name: x1.i.lencr.org
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49713
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49714
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49713
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49714
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49713
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49714
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49714
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49713
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49714
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49713
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49713
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49714
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49713
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49714
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49713
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49713
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49713 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49713
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49714
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49714
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49714
Source: global traffic TCP traffic: 192.168.2.17:49714 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.17:49714
Source: Joe Sandbox View IP Address: 96.7.168.138 96.7.168.138
Source: Network traffic Suricata IDS: 2022930 - Severity 1 - ET EXPLOIT Possible CVE-2016-2211 Symantec Cab Parsing Buffer Overflow : 4.175.87.197:443 -> 192.168.2.17:49707
Source: Network traffic Suricata IDS: 2022930 - Severity 1 - ET EXPLOIT Possible CVE-2016-2211 Symantec Cab Parsing Buffer Overflow : 52.149.20.212:443 -> 192.168.2.17:49718
Source: global traffic HTTP traffic detected: GET /onboarding/smskillreader.txt HTTP/1.1Host: armmf.adobe.comConnection: keep-aliveAccept-Language: en-US,en;q=0.9User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) ReaderServices/23.6.20320 Chrome/105.0.0.0 Safari/537.36Sec-Fetch-Site: same-originSec-Fetch-Mode: no-corsSec-Fetch-Dest: emptyAccept-Encoding: gzip, deflate, brIf-None-Match: "78-5faa31cce96da"If-Modified-Since: Mon, 01 May 2023 15:02:33 GMT
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown TCP traffic detected without corresponding DNS query: 96.7.168.138
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: global traffic HTTP traffic detected: GET /onboarding/smskillreader.txt HTTP/1.1Host: armmf.adobe.comConnection: keep-aliveAccept-Language: en-US,en;q=0.9User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) ReaderServices/23.6.20320 Chrome/105.0.0.0 Safari/537.36Sec-Fetch-Site: same-originSec-Fetch-Mode: no-corsSec-Fetch-Dest: emptyAccept-Encoding: gzip, deflate, brIf-None-Match: "78-5faa31cce96da"If-Modified-Since: Mon, 01 May 2023 15:02:33 GMT
Source: global traffic DNS traffic detected: DNS query: x1.i.lencr.org
Source: 77EC63BDA74BD0D0E0426DC8F80085060.2.dr String found in binary or memory: http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
Source: 2D85F72862B55C4EADD9E66E06947F3D0.2.dr String found in binary or memory: http://x1.i.lencr.org/
Source: unknown Network traffic detected: HTTP traffic on port 49713 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49714 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49714
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49713
Source: classification engine Classification label: clean3.winPDF@20/73@1/1
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe File created: C:\Users\user\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents-journal Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe File created: C:\Users\user\AppData\Local\Temp\acrobat_sbx\NGL\NGLClient_AcrobatReader123.6.20320.6 2024-10-31 12-50-12-965.log Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\SystemCertificates\CA Jump to behavior
Source: unknown Process created: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe "C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe" "C:\Users\user\Desktop\CH _ MEP.pdf"
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe Process created: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe "C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe" --backgroundcolor=16777215
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe "C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --log-severity=disable --user-agent-product="ReaderServices/23.6.20320 Chrome/105.0.0.0" --lang=en-US --log-file="C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\debug.log" --mojo-platform-channel-handle=2264 --field-trial-handle=1580,i,618128829641308069,12324996105360670069,131072 --disable-features=BackForwardCache,CalculateNativeWinOcclusion,WinUseBrowserSpellChecker /prefetch:8
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe Process created: C:\Program Files\Adobe\Acrobat DC\Acrobat\x86\Acrobat\Acrobat.exe "C:\Program Files\Adobe\Acrobat DC\Acrobat\x86\Acrobat\Acrobat.exe" --type=compute-only-broker --ipc-rdr-channel=ko.8320e781.b4ef9eb8.2 --ipc-co-channel=ko.a009a94d.40722085.1 --proc=5 --helperprocpid=6880 --channeltype=2 /CR
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\x86\Acrobat\Acrobat.exe Process created: C:\Program Files\Adobe\Acrobat DC\Acrobat\x86\Acrobat\Acrobat.exe "C:\Program Files\Adobe\Acrobat DC\Acrobat\x86\Acrobat\Acrobat.exe" --type=compute-only-renderer --ipc-rdr-channel=ko.8320e781.b4ef9eb8.2 --ipc-co-channel=ko.a009a94d.40722085.1 --proc=5 --helperprocpid=6880 --channeltype=2 /n /prefetch:2 /CR
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe Process created: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe "C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe" --backgroundcolor=16777215 Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe Process created: C:\Program Files\Adobe\Acrobat DC\Acrobat\x86\Acrobat\Acrobat.exe "C:\Program Files\Adobe\Acrobat DC\Acrobat\x86\Acrobat\Acrobat.exe" --type=compute-only-broker --ipc-rdr-channel=ko.8320e781.b4ef9eb8.2 --ipc-co-channel=ko.a009a94d.40722085.1 --proc=5 --helperprocpid=6880 --channeltype=2 /CR Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe "C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --log-severity=disable --user-agent-product="ReaderServices/23.6.20320 Chrome/105.0.0.0" --lang=en-US --log-file="C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\debug.log" --mojo-platform-channel-handle=2264 --field-trial-handle=1580,i,618128829641308069,12324996105360670069,131072 --disable-features=BackForwardCache,CalculateNativeWinOcclusion,WinUseBrowserSpellChecker /prefetch:8 Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\x86\Acrobat\Acrobat.exe Process created: C:\Program Files\Adobe\Acrobat DC\Acrobat\x86\Acrobat\Acrobat.exe "C:\Program Files\Adobe\Acrobat DC\Acrobat\x86\Acrobat\Acrobat.exe" --type=compute-only-renderer --ipc-rdr-channel=ko.8320e781.b4ef9eb8.2 --ipc-co-channel=ko.a009a94d.40722085.1 --proc=5 --helperprocpid=6880 --channeltype=2 /n /prefetch:2 /CR Jump to behavior
Source: Window Recorder Window detected: More than 3 window changes detected
Source: CH _ MEP.pdf Initial sample: PDF keyword /JS count = 0
Source: CH _ MEP.pdf Initial sample: PDF keyword /JavaScript count = 0
Source: CH _ MEP.pdf Initial sample: PDF keyword stream count = 26
Source: CH _ MEP.pdf Initial sample: PDF keyword /EmbeddedFile count = 0
Source: CH _ MEP.pdf Initial sample: PDF keyword /ObjStm count = 7
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\x86\Acrobat\Acrobat.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\x86\Acrobat\Acrobat.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information queried: ProcessInformation Jump to behavior
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs