Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ca1cf0d512b5f28…

MALICIOUS

PDF

17.1 KB Created: 2020-03-16 21:58:03 +00:00 Authoring application: mPDF 5.7
MD5: ea85c828ef9b6d7c217394c40cf7b21d SHA-1: 64e51ee4f7ece83cbcd3e24e635bcc7d91bc7b4b SHA-256: 1ca1cf0d512b5f287fafb80954a137491155106fce244c581997b3438d95cf69
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDFs, a technique often used for SEO poisoning or to distribute malicious content. The ML classifier strongly indicated maliciousness. The primary attack pattern involves directing users to a link farm hosted on lwoscmobook.myhome.cx.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/452425249524752445245/The-Collected-Stories-of-Philip-K-Dick-5-Vols-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/152405245524052425247/The-Collected-Stories-of-Philip-K-Dick-1-The-Short-Happy-Life-of-the-Brown-Oxford-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/352425248524452495245/The-Short-Happy-Life-of-the-Brown-Oxford-and-Other-Classic-Stories-The-Collected-Stories-of-Philip-K-Dick-Vol-1-Vol-1-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/452405242524652465245/The-Collected-Stories-of-Philip-K-Dick-Volume-4-Minority-Report-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/252445240524352445241/Minority-Report-Volume-Four-Of-The-Collected-Stories-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/452415241524752425245/Beyond-the-Door-by-Philip-K-Dick-Science-Fiction-Fantasy-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/452485248524452495245/The-Shifting-Realities-of-Philip-K-Dick-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/452455245524052435245/The-Variable-Man-and-Other-Stories-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/852435247524152485242/The-Variable-Man-and-Other-Stories-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/252405249524852435248/Minority-Report-and-Other-Stories-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/152485245524652445242/The-Adjustment-Bureau-and-Other-Classic-Stories-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/152415244524952455242/Eye-in-the-Sky-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/152435249524452475243/The-Zap-Gun-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/452475242524652465244/Roog-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/152435249524352495247/The-Man-Who-Japed-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/352425246524952465246/The-Eyes-Have-It-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/352425246524652415240/Impostor-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/352475247524452405247/The-Simulacra-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/85247524052445244/The-Golden-Man-by-Philip-K-Dick.pdf
    • http://lwoscmobook.myhome.cx/352425248524852425244/Ubik-by-Philip-K-Dick.pdf
    • http://lwoscmobo

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