Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0c1cd2059c9a4b6…

MALICIOUS

PDF

14.6 KB Created: 2019-04-30 02:44:51 +01:00 Authoring application: mPDF 5.7
MD5: 46370bb50239431037c866a0a6425e47 SHA-1: 1751d8728007fc6609aced3ce13b5d44255ed414 SHA-256: b0c1cd2059c9a4b6b9051f8a4327039c378fb5bc542c309d4c8da2f4219c4852
90 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. While the URLs themselves are currently marked as benign, the sheer volume and structure suggest a malicious intent, possibly for SEO manipulation or to distribute further payloads. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

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/4a09a01a04a05a05/The-Drowned-Kingdom-The-Impossible-Quest-4-by-Kate-Forsyth.pdf
    • http://muicuiu.dumb1.com/4a09a02a00a06a02/Wolves-of-the-Witchwood-The-Impossible-Quest-2-by-Kate-Forsyth.pdf
    • http://muicuiu.dumb1.com/4a09a02a04a07a02/Battle-of-the-Heroes-The-Impossible-Quest-5-by-Kate-Forsyth.pdf
    • http://muicuiu.dumb1.com/4a09a01a04a04a04/The-Beast-of-Blackmoor-Bog-The-Impossible-Quest-3-by-Kate-Forsyth.pdf
    • http://muicuiu.dumb1.com/2a08a05a06a06a03/The-Wild-Girl-by-Kate-Forsyth.pdf
    • http://muicuiu.dumb1.com/2a07a03a04a02a03/The-Puzzle-Ring-by-Kate-Forsyth.pdf
    • http://muicuiu.dumb1.com/1a05a07a05a09a00/The-Wildkin-s-Curse-by-Kate-Forsyth.pdf
    • http://muicuiu.dumb1.com/7a08a01a08a02a05/The-Cat-s-Eye-Shell-Chain-of-Charms-4-by-Kate-Forsyth.pdf
    • http://muicuiu.dumb1.com/2a04a04a09a09a06/Dragonclaw-The-Witches-of-Eileanan-1-by-Kate-Forsyth.pdf
    • http://muicuiu.dumb1.com/2a05a00a09a01a09/Two-Hours-The-Quest-to-Run-the-Impossible-Marathon-by-Ed-Caesar.pdf
    • http://muicuiu.dumb1.com/7a08a01a08a02a04/The-Herb-of-Grace-Chain-of-Charms-3-by-Kate-Forsyth.pdf
    • http://muicuiu.dumb1.com/1a05a08a03a09a02/The-Butterfly-in-Amber-Chain-of-Charms-6-by-Kate-Forsyth.pdf
    • http://muicuiu.dumb1.com/1a00a04a03a09a01/The-Forbidden-Land-The-Witches-of-Eileanan-4-by-Kate-Forsyth.pdf
    • http://muicuiu.dumb1.com/1a00a04a03a05a00/The-Cursed-Towers-The-Witches-of-Eileanan-3-by-Kate-Forsyth.pdf
    • http://muicuiu.dumb1.com/7a08a01a06a09a07/The-Gypsy-Crown-Chain-of-Charms-1-by-Kate-Forsyth.pdf
    • http://muicuiu.dumb1.com/7a08a01a08a02a07/The-Butterfly-in-Amber-Chain-of-Charms-6-by-Kate-Forsyth.pdf
    • http://muicuiu.dumb1.com/1a03a01a09a02a08/The-Silver-Horse-The-Chain-of-Charms-2-by-Kate-Forsyth.pdf
    • http://muicuiu.dumb1.com/1a00a04a03a00a06/The-Pool-of-Two-Moons-The-Witches-of-Eileanan-2-by-Kate-Forsyth.pdf
    • http://muicuiu.dumb1.com/1a06a06a04/Fans-of-the-Impossible-Life-by-Kate-Scelsa.pdf
    • http://muicuiu.dumb1.com/9a08a09a02a08/Kingdom-of-Magic-3-Three-Heroes-Begin-their-Quest-by-Julie-Gamble.pdf
    • http://muicuiu.dumb1.com/1a00a04a03a09a01/The-Forbidden-

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