Malicious PDF — malware analysis report

Static analysis result for SHA-256 5860ba8f39681726…

MALICIOUS

PDF

15.9 KB Created: 2020-03-15 00:51:03 +00:00 Authoring application: mPDF 5.7
MD5: d5f55d137cb094f92665984b9fb760e9 SHA-1: 6c33cde63daf919ffa40bc5b9f463f28efbf6401 SHA-256: 5860ba8f396817260c9226b1a928d791e21929c6c833d934dc79c861bc3e3422
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded URLs pointing to book-related content, indicating a link farm or SEO manipulation tactic. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted from this sample, but the sheer volume of external links suggests a high likelihood of malicious intent, possibly to redirect users to phishing sites or malware downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9892

Heuristics 2

  • 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.
  • 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://lwoscmobook.myhome.cx/65246524952445246/The-Call-of-the-Wild-White-Fang-and-Other-Stories-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/352425244524552475247/Novels-and-Stories-The-Call-of-the-Wild-White-Fang-The-Sea-Wolf-Klondike-and-Other-Stories-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/1524152455249524152415242/White-Fang-by-Jack-London-a-Novel-John-Griffith-Jack-London-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/552485248524252425240/White-Fang-By-Jack-London---Illustrated-And-Unabridged-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/752485242524952435242/White-Fang-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/852485243524552415245/White-Fang-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/552475244524252455248/The-Call-of-the-Wild---Jack-London---Original-Book---ANNOTATED-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/852415247524252445248/Call-of-the-Wild-by-Jack-London-Short-Adventure-Novel-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/852405243524052445247/White-Fang-Color-Illustrated-Formatted-for-E-Readers-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/552435242524552445246/The-Call-of-the-Wild-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/1524052465240524852485244/The-Call-of-the-Wild-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/65249524552415242/The-Call-of-the-Wild-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/952435245524852445240/The-Call-of-the-Wild-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/952405245524152495246/The-Call-of-the-Wild-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/252445240524152485245/The-Call-of-the-Wild-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/352415242524852485242/The-Call-of-the-Wild-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/752485242524952425248/The-Call-of-the-Wild-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/852485249524052485249/The-Call-of-the-Wild-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/352455242524852415241/The-Call-of-the-Wild-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/552475242524052495243/The-Call-of-the-Wild-by-Jack-London.pdf
    • http://lwoscmobook.myhome.cx/552475244524252455248/The-Call-of-the-Wild---Jack-

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