Malicious PDF — malware analysis report

Static analysis result for SHA-256 06ef55cd2189506e…

MALICIOUS

PDF

16.8 KB Created: 2019-05-01 10:07:27 +01:00 Authoring application: mPDF 5.7
MD5: b687f45cf3c9bfcfb0882edde9b84dd1 SHA-1: a055006319585052838a77b4217178324f646d6f SHA-256: 06ef55cd2189506e8c9a31b3dd95f6ccd3bb699636f93780b3d2b1bed72d0d3e
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm. The ML classifier also flagged this PDF as malicious. The primary attack pattern appears to be SEO manipulation or directing users to potentially malicious external content disguised as book downloads.

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://cefasfese.4pu.com/2730735733738734/An-Evil-Spirit-Out-of-the-West-Egyptian-Mysteries-1-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/3732732735731734/The-Straw-Men-Sorrowful-Mysteries-of-Brother-Athelstan-12-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/3732732736734734/Candle-Flame-The-Sorrowful-Mysteries-of-Brother-Athelstan-13-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/2735736730732738/Murder-Most-Holy-The-Sorrowful-Mysteries-of-Brother-Athelstan-3-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/4736732735733738/The-Mansions-of-Murder-The-Sorrowful-Mysteries-of-Brother-Athelstan-18-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/1735732730739733/The-Death-of-a-King-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/4736731735737732/The-Templar-Templars-1-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/8734734731734/The-Rose-Demon-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/4738738730736737/The-Horus-Killings-Amerotke-2-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/1734733735735736/The-Poisoner-of-Ptah-Amerotke-6-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/3732730735736739/The-Horus-Killings-Amerotke-2-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/3732730738733734/The-Slayers-of-Seth-Amerotke-4-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/4732735731735731/Isabella-and-the-Strange-Death-of-Edward-II-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/3732730735737731/The-Devil-s-Hunt-Hugh-Corbett-10-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/4734738734737735/Murder-Imperial-Ancient-Rome-2-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/3732732736734732/The-Demon-Archer-Hugh-Corbett-11-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/3732732733736736/Murder-Wears-a-Cowl-Hugh-Corbett-6-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/3733739735737738/The-White-Rose-Murders-Sir-Roger-Shallot-1-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/2736738733738735/The-Hangman-s-Hymn-Stories-told-on-Pilgrimage-from-London-to-Canterbury-5-by-Paul-Doherty.pdf
    • http://cefasfese.4pu.com/4738736735732730/Sidney-Chambers-and-the-Problem-of-Evil-The-Grantchester-Mysteries-3-by-James-Runcie.pdf

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