Windows Analysis Report
cen03-2018-rrb-notification.pdf

Overview

General Information

Sample name: cen03-2018-rrb-notification.pdf
Analysis ID: 1500273
MD5: 666f1e7ce43dca40014d716ed5f8f86f
SHA1: 067f7c26c169440ae03d4cd2c22bc0285659760c
SHA256: ca1271cdf8397b064bda6ba3cf89ae0f50564ee32bfd2e4d984fd1873a36a76b
Tags: pdf
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 HTTP gets)
Potential document exploit detected (unknown TCP traffic)
Uses a known web browser user agent for HTTP communication

Classification

Potential document exploit detected (performs HTTP gets)
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Potential document exploit detected (unknown TCP traffic)
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 23.47.168.24:443 -> 192.168.2.5:49723
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 23.47.168.24:443 -> 192.168.2.5:49723
Source: global traffic TCP traffic: 23.47.168.24:443 -> 192.168.2.5:49723
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 23.47.168.24:443 -> 192.168.2.5:49723
Source: global traffic TCP traffic: 23.47.168.24:443 -> 192.168.2.5:49723
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 23.47.168.24:443 -> 192.168.2.5:49723
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 23.47.168.24:443 -> 192.168.2.5:49723
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 23.47.168.24:443 -> 192.168.2.5:49723
Source: global traffic TCP traffic: 23.47.168.24:443 -> 192.168.2.5:49723
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 23.47.168.24:443 -> 192.168.2.5:49723
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
Source: global traffic TCP traffic: 192.168.2.5:49723 -> 23.47.168.24:443
IP address seen in connection with other malware
Source: Joe Sandbox View IP Address: 23.47.168.24 23.47.168.24
Uses a known web browser user agent for HTTP communication
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: 23.47.168.24
Source: unknown TCP traffic detected without corresponding DNS query: 23.47.168.24
Source: unknown TCP traffic detected without corresponding DNS query: 23.47.168.24
Source: unknown TCP traffic detected without corresponding DNS query: 23.47.168.24
Source: unknown TCP traffic detected without corresponding DNS query: 23.47.168.24
Source: unknown TCP traffic detected without corresponding DNS query: 23.47.168.24
Source: unknown TCP traffic detected without corresponding DNS query: 23.47.168.24
Source: unknown TCP traffic detected without corresponding DNS query: 23.47.168.24
Source: unknown TCP traffic detected without corresponding DNS query: 23.47.168.24
Source: unknown TCP traffic detected without corresponding DNS query: 23.47.168.24
Source: unknown TCP traffic detected without corresponding DNS query: 23.47.168.24
Source: unknown TCP traffic detected without corresponding DNS query: 23.47.168.24
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: E0F5C59F9FA661F6F4C50B87FEF3A15A0.2.dr String found in binary or memory: http://apps.identrust.com/roots/dstrootcax3.p7c
Source: cen03-2018-rrb-notification.pdf String found in binary or memory: http://www.color.org)
Source: cen03-2018-rrb-notification.pdf String found in binary or memory: http://www.npes.org/pdfx/ns/id/
Source: unknown Network traffic detected: HTTP traffic on port 49723 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49723
Source: classification engine Classification label: clean2.winPDF@14/42@0/1
Source: cen03-2018-rrb-notification.pdf Initial sample: http://www.color.org
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 2024-08-28 01-13-05-455.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\cen03-2018-rrb-notification.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=2040 --field-trial-handle=1676,i,2509119813639347335,536631791624859120,131072 --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=2040 --field-trial-handle=1676,i,2509119813639347335,536631791624859120,131072 --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: cen03-2018-rrb-notification.pdf Static file information: File size 7048365 > 6291456
Source: cen03-2018-rrb-notification.pdf Initial sample: PDF keyword /JS count = 0
Source: cen03-2018-rrb-notification.pdf Initial sample: PDF keyword /JavaScript count = 0
Source: cen03-2018-rrb-notification.pdf Initial sample: PDF keyword /Page count = 63
Source: cen03-2018-rrb-notification.pdf Initial sample: PDF keyword stream count = 127
Source: cen03-2018-rrb-notification.pdf Initial sample: PDF keyword /EmbeddedFile count = 0
Source: cen03-2018-rrb-notification.pdf Initial sample: PDF keyword /AA count = 2
Source: cen03-2018-rrb-notification.pdf Initial sample: PDF keyword endstream count = 127
Source: cen03-2018-rrb-notification.pdf Initial sample: PDF keyword obj count = 191
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
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Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 process2 2 Behavior Graph ID: 1500273 Sample: cen03-2018-rrb-notification.pdf Startdate: 28/08/2024 Architecture: WINDOWS Score: 2 6 Acrobat.exe 20 62 2->6         started        process3 8 AcroCEF.exe 107 6->8         started        process4 10 AcroCEF.exe 2 8->10         started        dnsIp5 13 23.47.168.24, 443, 49723 AKAMAI-ASUS United States 10->13
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
23.47.168.24
 unknown United States
16625 AKAMAI-ASUS false