Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0f17e7a1ee79ab1…

MALICIOUS

PDF

12.9 KB Created: 2020-03-18 21:34:40 +00:00 Authoring application: mPDF 5.7
MD5: 349c01ded8fb8d494ab401b59f00b771 SHA-1: 0de57160465ba491cd6124f03104a0b54cc16742 SHA-256: b0f17e7a1ee79ab1a6f1f6c1f4c95edcdda66ff8aac8d0b6985944d182401fa2
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 pointing to external PDF files hosted on the domain 'calistazz.myhome.cx'. This heuristic firing indicates a link farm, likely intended to distribute malicious content or engage in SEO abuse. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8272

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://calistazz.myhome.cx/1860862860867867861/Chasing-June-June-2-by-Shannen-Crane-Camp.pdf
    • http://calistazz.myhome.cx/4860861868863/Finding-June-June-1-by-Shannen-Crane-Camp.pdf
    • http://calistazz.myhome.cx/3864864866861867/Pwned-by-Shannen-Crane-Camp.pdf
    • http://calistazz.myhome.cx/3868861860867869/June-30th-June-30th-by-Richard-Brautigan.pdf
    • http://calistazz.myhome.cx/1860860869860867862/Pastor-June-and-the-Coveters-Pastor-June-2-by-Lee-M-Sapp.pdf
    • http://calistazz.myhome.cx/1861862869864863/His-Own-Where-by-June-Jordan.pdf
    • http://calistazz.myhome.cx/9868862860860/This-Day-in-June-by-Gayle-E-Pitman.pdf
    • http://calistazz.myhome.cx/4867865860864861/Under-The-Tuscan-Son-A-Come-As-You-Wish-Adventure-by-June-Pea-Kim.pdf
    • http://calistazz.myhome.cx/1860862860868862862/After-June-by-Thomasin-Heyworth.pdf
    • http://calistazz.myhome.cx/5867862869860866/The-Real-Me-by-June-Neuhoff.pdf
    • http://calistazz.myhome.cx/2862869863861860/Cable-Car-by-June-Drummond.pdf
    • http://calistazz.myhome.cx/7865865866864/When-Pigs-Fly-by-June-Rae-Wood.pdf
    • http://calistazz.myhome.cx/1860862860868862864/Dead-on-the-Bayou-by-June-Shaw.pdf
    • http://calistazz.myhome.cx/1866862865863861/June-29-1999-by-David-Wiesner.pdf
    • http://calistazz.myhome.cx/1864864867868867/Killing-June-Saved-by-Sin-1-by-May-B-Bridges.pdf
    • http://calistazz.myhome.cx/2865860860860869/What-Willow-Knew-by-June-Colbert.pdf
    • http://calistazz.myhome.cx/8861861863863868/International-Regime-by-Brooklyn-June.pdf
    • http://calistazz.myhome.cx/4861865862864866/Henry-and-June-by-Frederic-P-Miller.pdf
    • http://calistazz.myhome.cx/1861864860869864860/The-Pyjama-Party-by-June-Crebbin.pdf
    • http://calistazz.myhome.cx/1860863863868864867/Behren-s-Lake-by-June-Keller.pdf

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