Malicious PDF — malware analysis report

Static analysis result for SHA-256 13e8c6d35eb7ba6c…

MALICIOUS

PDF

17.0 KB Created: 2020-02-15 15:52:13 +00:00 Authoring application: mPDF 5.7
MD5: c0e129cb40f8dd0e0204ff2c2ecc51f0 SHA-1: 77a683938cb468e548b5d7a25872c1ca8db679d0 SHA-256: 13e8c6d35eb7ba6c20a08ed28a5a3c60bcf5c16b9454619dbfbf4556a963e12a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to a single domain, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious. The embedded URLs are likely used to drive traffic to these external PDF files, potentially for SEO manipulation or to host malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9787

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://kitasdyu.myhome.cx/5871878871873/Every-Soul-A-Star-by-Wendy-Mass.pdf
    • http://kitasdyu.myhome.cx/4875877878872874/Getting-a-Clue-Tammy-The-Loop-9-by-Wendy-Mass.pdf
    • http://kitasdyu.myhome.cx/1873875871872870/Rapunzel-The-One-with-All-the-Hair-Twice-Upon-a-Time-1-by-Wendy-Mass.pdf
    • http://kitasdyu.myhome.cx/4875877879870879/Space-Taxi-The-Galactic-B-U-R-P-by-Wendy-Mass.pdf
    • http://kitasdyu.myhome.cx/5876879872876/Beauty-and-the-Beast-The-Only-One-Who-Didn-t-Run-Away-Twice-Upon-a-Time-3-by-Wendy-Mass.pdf
    • http://kitasdyu.myhome.cx/4875877878871870/Space-Taxi-Aliens-on-Earth-by-Wendy-Mass.pdf
    • http://kitasdyu.myhome.cx/1871874870876875874/Mass-Effect-Nexus-Uprising-Mass-Effect-Andromeda-1-by-Jason-M-Hough.pdf
    • http://kitasdyu.myhome.cx/4875874871875/Mass-Effect-Retribution-Mass-Effect-3-by-Drew-Karpyshyn.pdf
    • http://kitasdyu.myhome.cx/3878878870872879/Mass-Effect-Initiation-Mass-Effect-Andromeda-2-by-N-K-Jemisin.pdf
    • http://kitasdyu.myhome.cx/9872877872875874/Birthdays-of-a-Princess-by-Helga-Zeiner.pdf
    • http://kitasdyu.myhome.cx/2879870872870875/The-Hidden-World-of-Birthdays-by-Judith-Turner.pdf
    • http://kitasdyu.myhome.cx/1872879878874874/Birthdays-for-the-Dead-Ash-Henderson-1-by-Stuart-MacBride.pdf
    • http://kitasdyu.myhome.cx/4871873871873870/Socks-from-the-Toe-Up-Essential-Techniques-and-Patterns-from-Wendy-Knits-by-Wendy-D-Johnson.pdf
    • http://kitasdyu.myhome.cx/9877872875871870/Two-Birthdays-A-Story-Based-on-Apple-Variety-Names-None-by-Bryce-Thorup.pdf
    • http://kitasdyu.myhome.cx/4876878879871/Birthdays-of-Freedom-From-Early-Egypt-to-the-Fall-of-Rome-by-Genevieve-Foster.pdf
    • http://kitasdyu.myhome.cx/4873879872870878/The-Secret-Language-of-Birthdays-Your-Complete-Personology-Guide-for-Each-Day-of-the-Year-by-Gary-Goldschneider.pdf
    • http://kitasdyu.myhome.cx/5879874876873876/Will-You-Come-to-Mass-by-Susan-Joy-Bellavance.pdf
    • http://kitasdyu.myhome.cx/6873877875874870/The-Mass-by-Jean-Marie-Lustiger.pdf
    • http://kitasdyu.myhome.cx/1870876873876874873/Critical-Mass-by-Frederik-Pohl.pdf
    • http://kitasdyu.myhome.cx/2878876879879870/Mass-Effect-Redemption-by-Mac-Walters.pdf

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