Windows Analysis Report
CJ-241115826_CJ_430448_OE_BMSCAD.pdf

Overview

General Information

Sample name: CJ-241115826_CJ_430448_OE_BMSCAD.pdf
Analysis ID: 1558820
MD5: 8b7dcee56b4a8a1c85180efd916f4057
SHA1: 2a11fc0fec727b5293a87e7e47550178a748ce7a
SHA256: c3c590c7beb7883610edc82c7fa47d09e1ba7b9251d9745da14582ca440ccefb
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 DNS query: name: x1.i.lencr.org
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 23.203.104.175:443 -> 192.168.2.5:49733
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 23.203.104.175:443 -> 192.168.2.5:49733
Source: global traffic TCP traffic: 23.203.104.175:443 -> 192.168.2.5:49733
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 23.203.104.175:443 -> 192.168.2.5:49733
Source: global traffic TCP traffic: 23.203.104.175:443 -> 192.168.2.5:49733
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 23.203.104.175:443 -> 192.168.2.5:49733
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 23.203.104.175:443 -> 192.168.2.5:49733
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 23.203.104.175:443 -> 192.168.2.5:49733
Source: global traffic TCP traffic: 23.203.104.175:443 -> 192.168.2.5:49733
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 192.168.2.5:49733 -> 23.203.104.175:443
Source: global traffic TCP traffic: 23.203.104.175:443 -> 192.168.2.5:49733
Source: Joe Sandbox View IP Address: 23.203.104.175 23.203.104.175
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: 23.203.104.175
Source: unknown TCP traffic detected without corresponding DNS query: 23.203.104.175
Source: unknown TCP traffic detected without corresponding DNS query: 23.203.104.175
Source: unknown TCP traffic detected without corresponding DNS query: 23.203.104.175
Source: unknown TCP traffic detected without corresponding DNS query: 23.203.104.175
Source: unknown TCP traffic detected without corresponding DNS query: 23.203.104.175
Source: unknown TCP traffic detected without corresponding DNS query: 23.203.104.175
Source: unknown TCP traffic detected without corresponding DNS query: 23.203.104.175
Source: unknown TCP traffic detected without corresponding DNS query: 23.203.104.175
Source: unknown TCP traffic detected without corresponding DNS query: 23.203.104.175
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
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 49733 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49733
Source: classification engine Classification label: clean2.winPDF@14/49@2/1
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe File created: C:\Users\user\AppData\Local\Adobe\Acrobat\DC\Cache\AdobeFnt23.lst.4564 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 2024-11-19 14-39-01-679.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\CJ-241115826_CJ_430448_OE_BMSCAD.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 --user-data-dir="C:\Users\user\AppData\Local\CEF\User Data" --log-file="C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\debug.log" --mojo-platform-channel-handle=2108 --field-trial-handle=1676,i,1745309769064675600,3028205725165205519,131072 --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 --user-data-dir="C:\Users\user\AppData\Local\CEF\User Data" --log-file="C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\debug.log" --mojo-platform-channel-handle=2108 --field-trial-handle=1676,i,1745309769064675600,3028205725165205519,131072 --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: CJ-241115826_CJ_430448_OE_BMSCAD.pdf Initial sample: PDF keyword /JS count = 0
Source: CJ-241115826_CJ_430448_OE_BMSCAD.pdf Initial sample: PDF keyword /JavaScript count = 0
Source: CJ-241115826_CJ_430448_OE_BMSCAD.pdf Initial sample: PDF keyword /EmbeddedFile count = 0
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
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs