Malicious PDF — malware analysis report

Static analysis result for SHA-256 20699ac227002b3c…

MALICIOUS

PDF

39.8 KB Authoring application: ImageMagick
MD5: 03b408fd21895fae5fe9f229f8748e93 SHA-1: 5697dd625caedfb49c5fdfb95f459d7482267239 SHA-256: 20699ac227002b3c293e7caf711a5f858c0de78a0836d638268326c77ddf311e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The heuristic 'SE_LOLBIN_RUN_COMMAND' indicates the presence of instructions for executing Windows scripting tools, suggesting an intent to run malicious code. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious classification.

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND
    Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://calvarydifference.com/uploads/1/3/0/5/130588360/7316453.pdf
    • http://ms-j.org/uploads/1/3/0/4/130483558/a6f8df6b8b.pdf
    • http://leadershipacademyutah.com/uploads/1/3/0/3/130379798/5b23b241.pdf
    • http://nancymaldonado.com/uploads/1/3/0/5/130588712/jirakolovawoxinarefu.pdf
    • http://nandaphoto.com/uploads/1/3/0/5/130588191/riwesilapiji-subagazulisi.pdf
    • http://smartbuytrader.com/uploads/1/3/0/4/130476733/5074825.pdf
    • http://merkabaone.com/uploads/1/3/0/5/130588795/c38ba38a31682ff.pdf
    • http://roxandree.com/uploads/1/3/0/6/130620627/tidubatofilesovelop.pdf
    • http://diwig.sportsrt.com/uploads/2020/01/28/1011960.pdf
    • http://catalinapools.net/uploads/1/3/0/5/130551486/xagidovonasu_pikatasafunolos.pdf
    • http://betterwithcontxt.com/uploads/1/3/0/6/130640092/vobazirog-tosokuvotigo-vekep-porabiguvase.pdf
    • http://petahuk.store/uploads/1/3/0/6/130639336/zukiwum.pdf
    • http://mikeintucson.com/uploads/1/3/0/5/130588778/130588778.html#bash+shell+script++windows

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001315.bin
62edd69b22feeb7fe685da8420c049eee4a582b8644e4c7369d4169f628b14d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1315 7936 bytes

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