Malicious PDF — malware analysis report

Static analysis result for SHA-256 49c2321c10340c10…

MALICIOUS

PDF

19.7 KB Created: 2019-05-02 01:26:02 +01:00 Authoring application: mPDF 5.7
MD5: 048dbeb2960a88c2371b56052e6c37ce SHA-1: 5d68f568589929885e803d43298e16933501f300 SHA-256: 49c2321c10340c101a9eb636797f628a4ba4c50562afebe7ac7df36b3aa8cda8
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious with high confidence. While the document body is heavily obfuscated, the presence of numerous links suggests a lure to external content, potentially for SEO manipulation or to serve further malicious payloads. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9922

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://muicuiu.dumb1.com/3a08a05a07a07a01/The-Shaman-Sings-Charlie-Moon-1-by-James-D-Doss.pdf
    • http://muicuiu.dumb1.com/3a08a06a07a06a08/Three-Sisters-Charlie-Moon-12-by-James-D-Doss.pdf
    • http://muicuiu.dumb1.com/3a02a09a05a05a03/The-Old-Gray-Wolf-Charlie-Moon-17-by-James-D-Doss.pdf
    • http://muicuiu.dumb1.com/3a05a09a07a09a07/Grandmother-Spider-Charlie-Moon-6-by-James-D-Doss.pdf
    • http://muicuiu.dumb1.com/2a02a08a06a04a02/The-Widow-s-Revenge-by-James-D-Doss.pdf
    • http://muicuiu.dumb1.com/1a09a01a07a08/Shaman-s-Moon-Stoner-McTavish-Mysteries-7-by-Sarah-Dreher.pdf
    • http://muicuiu.dumb1.com/2a01a08a06a01a08/Shaman-Healer-Heretic-Olivia-Lawson-Techno-Shaman-1-by-M-Terry-Green.pdf
    • http://muicuiu.dumb1.com/2a01a03a00a05a06/The-Children-of-the-Red-King-Books-1-5-Midnight-for-Charlie-Bone-Charlie-Bone-and-the-Time-Twister-Charlie-Bone-and-the-Invisible-Boy-Charlie-Bone-and-the-Castle-of-Mirrors-and-Charlie-Bone-and-the-Hidden-King-by-Jenny-Nimmo.pdf
    • http://muicuiu.dumb1.com/2a08a09a07a09a02/Shaman-Pathways---Way-of-the-Faery-Shaman-The-Book-of-Spells-Incantations-Meditations-amp-Faery-Magic-by-Flavia-Kate-Peters.pdf
    • http://muicuiu.dumb1.com/1a07a02a08a00a01/Children-of-the-Shaman-Children-of-the-Shaman-1-by-Jessica-Rydill.pdf
    • http://muicuiu.dumb1.com/1a04a01a06a04a08/By-Royal-Command-Young-James-Bond-5-by-Charlie-Higson.pdf
    • http://muicuiu.dumb1.com/4a03a09a01a00a09/Why-Did-You-Killed-Danny-Destroyed-World-In-2050-by-Charlie-James-Jr-.pdf
    • http://muicuiu.dumb1.com/6a05a06a04a09/Charlie-and-the-Chocolate-Factory-and-Charlie-and-the-Great-Glass-Elevator-by-Roald-Dahl.pdf
    • http://muicuiu.dumb1.com/3a06a03a03a04/Charlie-and-the-Great-Glass-Elevator-Charlie-Bucket-2-by-Roald-Dahl.pdf
    • http://muicuiu.dumb1.com/7a02a06a02a01a06/Je-suis-Charlie-Chronologie-de-l-attaque-terroriste-contre-Charlie-Hebdo-by-Josh-Seyward.pdf
    • http://muicuiu.dumb1.com/4a00a01a01a07a04/Charlie-and-the-Chocolate-Factory-Charlie-Bucket-1-by-Roald-Dahl.pdf
    • http://muicuiu.dumb1.com/4a06a08a09a02a01/Going-to-the-Moon-by-James-Muirden.pdf
    • http://muicuiu.dumb1.com/7a07a06a03a04a06/Moon-by-James-Herbert.pdf
    • http://muicuiu.dumb1.com/1a00a07a06a01a07a02/Comrade-Charlie-Charlie-Muffin-9-by-Brian-Freemantle.pdf
    • http://muicuiu.dumb1.com/2a00a04a08a00a07/Hidden-Moon-Inspector-O-2-by-James-Church.pdf
    • http://muicuiu.dumb1.com/2a01a03a00a05a06/The-Children-of-the-Red-King-Books-1-5

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