Windows Analysis Report
19194R21.pdf

Overview

General Information

Sample name: 19194R21.pdf
Analysis ID: 1537093
MD5: 8523b894e3341389e8b0f8f46d84fb3b
SHA1: b2c37f027bd960ebae79e32984d81a1e4b8720eb
SHA256: 58031f56fff1a6b777cda8244e8acad871b5c247c1ec3f7ed468baba820fbe63
Infos:

Detection

Score: 2
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)
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: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.10:49801
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.10:49801
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.10:49801
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.10:49801
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.10:49801
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.10:49801
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.10:49801
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.10:49801
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.10:49801
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.10:49801
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 96.7.168.138:443 -> 192.168.2.10:49801
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: global traffic TCP traffic: 192.168.2.10:49801 -> 96.7.168.138:443
Source: Joe Sandbox View IP Address: 96.7.168.138 96.7.168.138
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 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: ReaderMessages.0.dr String found in binary or memory: https://www.adobe.co
Source: unknown Network traffic detected: HTTP traffic on port 49801 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49801
Source: classification engine Classification label: clean2.winPDF@14/47@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 2024-10-18 09-02-42-871.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\19194R21.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=2092 --field-trial-handle=1764,i,10077426381922765570,14877554498585215772,131072 --disable-features=BackForwardCache,CalculateNativeWinOcclusion,WinUseBrowserSpellChecker /prefetch:8
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\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=2092 --field-trial-handle=1764,i,10077426381922765570,14877554498585215772,131072 --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: Window Recorder Window detected: More than 3 window changes detected
Source: 19194R21.pdf Initial sample: PDF keyword /JS count = 0
Source: 19194R21.pdf Initial sample: PDF keyword /JavaScript count = 0
Source: 19194R21.pdf Initial sample: PDF keyword /EmbeddedFile count = 0
Source: 19194R21.pdf Initial sample: PDF keyword obj count = 59
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
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs