Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1443306964dd7ff…

MALICIOUS

PDF

17.9 KB Created: 2019-05-03 17:22:34 +01:00 Authoring application: mPDF 5.7
MD5: 9382246a3fd0480465ea7d1bcfad31d0 SHA-1: b92e39ce2a2d8b41a49fcb0357e144dd81ab71bf SHA-256: c1443306964dd7ff4c364c7d80533da14f72094878bf8c8bd46270c8ad31415e
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF was identified as a link farm containing numerous external links, primarily pointing to other PDF documents on the same domain. This technique is often used to artificially inflate search engine rankings or to distribute malicious content disguised as legitimate documents. While the extracted URLs were marked as benign, the overall structure and intent of the PDF suggest a malicious purpose, likely related to SEO manipulation or content distribution. No scripts were extracted from this sample.

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://cefasfese.4pu.com/5730731739733731/Robot-Santa-The-Further-Adventures-of-Santa-s-Twin-by-Dean-Koontz.pdf
    • http://cefasfese.4pu.com/6735735735733/Santa-s-Twin-Santa-s-Twin-1-by-Dean-Koontz.pdf
    • http://cefasfese.4pu.com/5731730735731731/All-Trails-Lead-to-Santa-Fe-by-Inc-Santa-Fe-400th-Anniversary.pdf
    • http://cefasfese.4pu.com/8730732737732734/Santa-Barbara-Exotic-Flora-A-Handbook-of-Plants-from-Foreign-Countries-Grown-at-Santa-Barbara-California-by-F-Franceschi.pdf
    • http://cefasfese.4pu.com/8730732737733732/Santa-Barbara-Exotic-Flora-A-Handbook-of-Plants-from-Foreign-Countries-Grown-at-Santa-Barbara-California-by-F-Franceschi.pdf
    • http://cefasfese.4pu.com/1731734730737734738/Santa-Claus-is-coming---A-gay-erotic-fantasy-Adults-get-excited-when-Santa-is-coming-too-by-Kudos-Krank.pdf
    • http://cefasfese.4pu.com/7730731733737730/Santa-Muerte-Altars-Building-an-Altar-to-Santa-Muerte-by-Lazarus-Corbeaux.pdf
    • http://cefasfese.4pu.com/4732739730732/Dead-and-Alive-Dean-Koontz-s-Frankenstein-3-by-Dean-Koontz.pdf
    • http://cefasfese.4pu.com/2730739736734737/Dean-Koontz-s-Frankenstein-Volume-1-Prodigal-Son-by-Dean-Koontz.pdf
    • http://cefasfese.4pu.com/9733737732730736/Dean-Koontz-Omnibus-Hideaway-The-Vision-by-Dean-Koontz.pdf
    • http://cefasfese.4pu.com/1733730734733731/The-Dead-Town-Dean-Koontz-s-Frankenstein-5-by-Dean-Koontz.pdf
    • http://cefasfese.4pu.com/9733737731731736/Dean-Koontz-Winter-Moon-Icebound-by-Dean-Koontz.pdf
    • http://cefasfese.4pu.com/3739739738735732/The-Life-and-Adventures-of-Santa-Claus-by-L-Frank-Baum.pdf
    • http://cefasfese.4pu.com/3738734739733738/L-Frank-Baum-s-The-Life-and-Adventures-of-Santa-Claus-by-Michael-G-Ploog.pdf
    • http://cefasfese.4pu.com/2730738734736731/Santa-Paws-and-the-New-Puppy-Santa-Paws-6-by-Nicholas-Edwards.pdf
    • http://cefasfese.4pu.com/2734731738734734/Santa-Paws-Come-Home-Santa-Paws-3-by-Nicholas-Edwards.pdf
    • http://cefasfese.4pu.com/3738734736739738/24-1-Christmas-Tales-Butterfly-Adventures-in-Santa-s-Secret-City-by-Alexander-Ruth.pdf
    • http://cefasfese.4pu.com/3739738737734/Prodigal-Son-Dean-Koontz-s-Frankenstein-1-by-Dean-Koontz.pdf
    • http://cefasfese.4pu.com/3736734739738732/Prodigal-Son-Dean-Koontz-s-Frankenstein-1-by-Dean-Koontz.pdf
    • http://cefasfese.4pu.com/1737732735736736/Secret-Santa-Secret-McQueen-2-5-by-Sierra-Dean.pdf
    • http://cefasfese.4pu.com/873073

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