Windows Analysis Report
526142.pdf

Overview

General Information

Sample name: 526142.pdf
Analysis ID: 1561508
MD5: bcea5bd8718053f4699a0c6b17481ca7
SHA1: 7e037add42f3ec8835feadd9852c4550646bee7e
SHA256: d21711f4372dc7ac5aa7d124dbff9382cb3b35cb38d5a1b3c807bd2d414e46a1
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: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 52.5.13.197:443 -> 192.168.2.5:49715
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 52.5.13.197:443 -> 192.168.2.5:49715
Source: global traffic TCP traffic: 52.5.13.197:443 -> 192.168.2.5:49715
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 52.5.13.197:443 -> 192.168.2.5:49715
Source: global traffic TCP traffic: 52.5.13.197:443 -> 192.168.2.5:49715
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 52.5.13.197:443 -> 192.168.2.5:49715
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 52.5.13.197:443 -> 192.168.2.5:49715
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 52.5.13.197:443 -> 192.168.2.5:49715
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 52.5.13.197:443 -> 192.168.2.5:49715
Source: global traffic TCP traffic: 52.5.13.197:443 -> 192.168.2.5:49715
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 52.5.13.197:443 -> 192.168.2.5:49715
Source: global traffic TCP traffic: 52.5.13.197:443 -> 192.168.2.5:49715
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 192.168.2.5:49715 -> 52.5.13.197:443
Source: global traffic TCP traffic: 52.5.13.197:443 -> 192.168.2.5:49715
Source: Joe Sandbox View IP Address: 52.5.13.197 52.5.13.197
Source: global traffic HTTP traffic detected: GET /psdk/v2/content?surfaceId=ACROBAT_READER_MASTER_SURFACEID&surfaceId=DC_READER_LAUNCH_CARD&surfaceId=DC_Reader_RHP_Banner&surfaceId=DC_Reader_RHP_Retention&surfaceId=Edit_InApp_Aug2020&surfaceId=DC_FirstMile_Right_Sec_Surface&surfaceId=DC_Reader_Upsell_Cards&surfaceId=DC_FirstMile_Home_View_Surface&surfaceId=DC_Reader_RHP_Intent_Banner&surfaceId=DC_Reader_Disc_LHP_Banner&surfaceId=DC_Reader_Edit_LHP_Banner&surfaceId=DC_Reader_Convert_LHP_Banner&surfaceId=DC_Reader_Sign_LHP_Banner&surfaceId=DC_Reader_More_LHP_Banner&surfaceId=DC_Reader_Disc_LHP_Retention&surfaceId=DC_Reader_Home_LHP_Trial_Banner&adcProductLanguage=en-us&adcVersion=23.6.20320&adcProductType=SingleClientMini&adcOSType=WIN&adcCountryCode=US&adcXAPIClientID=api_reader_desktop_win_23.6.20320&encodingScheme=BASE_64 HTTP/1.1Host: p13n.adobe.ioConnection: keep-alivesec-ch-ua: "Chromium";v="105"sec-ch-ua-mobile: ?0User-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/537.36Accept: application/json, text/javascript, */*; q=0.01x-adobe-uuid: 89d789c4-e7e5-4f75-95a4-57139ab6811fx-adobe-uuid-type: visitorIdx-api-key: AdobeReader9sec-ch-ua-platform: "Windows"Origin: https://rna-resource.acrobat.comAccept-Language: en-US,en;q=0.9Sec-Fetch-Site: cross-siteSec-Fetch-Mode: corsSec-Fetch-Dest: emptyReferer: https://rna-resource.acrobat.com/Accept-Encoding: gzip, deflate, br
Source: unknown TCP traffic detected without corresponding DNS query: 52.5.13.197
Source: unknown TCP traffic detected without corresponding DNS query: 52.5.13.197
Source: unknown TCP traffic detected without corresponding DNS query: 52.5.13.197
Source: unknown TCP traffic detected without corresponding DNS query: 52.5.13.197
Source: unknown TCP traffic detected without corresponding DNS query: 52.5.13.197
Source: unknown TCP traffic detected without corresponding DNS query: 52.5.13.197
Source: unknown TCP traffic detected without corresponding DNS query: 52.5.13.197
Source: unknown TCP traffic detected without corresponding DNS query: 52.5.13.197
Source: unknown TCP traffic detected without corresponding DNS query: 52.5.13.197
Source: unknown TCP traffic detected without corresponding DNS query: 52.5.13.197
Source: unknown TCP traffic detected without corresponding DNS query: 52.5.13.197
Source: unknown TCP traffic detected without corresponding DNS query: 52.5.13.197
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: global traffic HTTP traffic detected: GET /psdk/v2/content?surfaceId=ACROBAT_READER_MASTER_SURFACEID&surfaceId=DC_READER_LAUNCH_CARD&surfaceId=DC_Reader_RHP_Banner&surfaceId=DC_Reader_RHP_Retention&surfaceId=Edit_InApp_Aug2020&surfaceId=DC_FirstMile_Right_Sec_Surface&surfaceId=DC_Reader_Upsell_Cards&surfaceId=DC_FirstMile_Home_View_Surface&surfaceId=DC_Reader_RHP_Intent_Banner&surfaceId=DC_Reader_Disc_LHP_Banner&surfaceId=DC_Reader_Edit_LHP_Banner&surfaceId=DC_Reader_Convert_LHP_Banner&surfaceId=DC_Reader_Sign_LHP_Banner&surfaceId=DC_Reader_More_LHP_Banner&surfaceId=DC_Reader_Disc_LHP_Retention&surfaceId=DC_Reader_Home_LHP_Trial_Banner&adcProductLanguage=en-us&adcVersion=23.6.20320&adcProductType=SingleClientMini&adcOSType=WIN&adcCountryCode=US&adcXAPIClientID=api_reader_desktop_win_23.6.20320&encodingScheme=BASE_64 HTTP/1.1Host: p13n.adobe.ioConnection: keep-alivesec-ch-ua: "Chromium";v="105"sec-ch-ua-mobile: ?0User-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/537.36Accept: application/json, text/javascript, */*; q=0.01x-adobe-uuid: 89d789c4-e7e5-4f75-95a4-57139ab6811fx-adobe-uuid-type: visitorIdx-api-key: AdobeReader9sec-ch-ua-platform: "Windows"Origin: https://rna-resource.acrobat.comAccept-Language: en-US,en;q=0.9Sec-Fetch-Site: cross-siteSec-Fetch-Mode: corsSec-Fetch-Dest: emptyReferer: https://rna-resource.acrobat.com/Accept-Encoding: gzip, deflate, br
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 49715 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49715
Source: classification engine Classification label: clean2.winPDF@14/51@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 2024-11-23 10-08-45-360.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\526142.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=2124 --field-trial-handle=1604,i,2889311111756859078,1169954142003541719,131072 --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=2124 --field-trial-handle=1604,i,2889311111756859078,1169954142003541719,131072 --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: 526142.pdf Initial sample: PDF keyword /JS count = 0
Source: 526142.pdf Initial sample: PDF keyword /JavaScript count = 0
Source: 526142.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