Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ff350d67b067e6f…

MALICIOUS

PDF

20.5 KB Created: 2019-04-30 03:58:51 +01:00 Authoring application: mPDF 5.7
MD5: 6ada3fb6044a1246f1069704d3cf202d SHA-1: daf2a07533fda37ade3cb5d8d250b6f4b9e87042 SHA-256: 1ff350d67b067e6f925b0637f5e124086e4b38ef03c97d633f3593332a9217e1
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of external links, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious. While the document body is heavily obfuscated, the presence of numerous links suggests a redirection or phishing attempt. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9462

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/5a07a09a04a06a07/Fission-fusion-and-foraging-Sex-differences-in-the-behavioral-ecology-of-chimpanzees-Pan-troglodytes-schweinfurthii-by-Amy-Anne-Pokempner.pdf
    • http://muicuiu.dumb1.com/9a06a09a05a03a04/Behavioral-Aspects-Of-Ecology-by-Peter-H-Klopfer.pdf
    • http://muicuiu.dumb1.com/2a02a03a00a08a00/Why-Men-Don-t-Iron-The-Fascinating-and-Unalterable-Differences-Between-Men-and-Women-by-Anne-Moir.pdf
    • http://muicuiu.dumb1.com/1a00a07a02a03a07a01/The-Ecology-of-Adaptive-Radiation-Oxford-Series-in-Ecology-amp-Evolution-by-Dolph-Schluter.pdf
    • http://muicuiu.dumb1.com/5a02a01a04a07a00/The-Secret-Life-of-Fission-by-Paul-Carlucci.pdf
    • http://muicuiu.dumb1.com/1a01a04a09a08a06a00/Behavioural-Diversity-in-Chimpanzees-and-Bonobos-by-Linda-Marchant.pdf
    • http://muicuiu.dumb1.com/4a02a03a05a02a07/Chimpanzees-I-Love-Saving-Their-World-And-Ours-by-Jane-Goodall.pdf
    • http://muicuiu.dumb1.com/1a01a06a01a02a04a09/Crucibles-The-Story-of-Chemistry-from-Ancient-Alchemy-to-Nuclear-Fission-by-Bernard-Jaffe.pdf
    • http://muicuiu.dumb1.com/1a00a00a02a08a00/Through-a-Window-My-Thirty-Years-with-the-Chimpanzees-of-Gombe-by-Jane-Goodall.pdf
    • http://muicuiu.dumb1.com/5a07a09a04a01a01/Calculus-for-Troglodytes-by-James-Bonnar.pdf
    • http://muicuiu.dumb1.com/5a07a09a04a01a04/Troglodytes-Book-Two-Blossoms-by-Agnes-Wall.pdf
    • http://muicuiu.dumb1.com/5a07a09a04a01a02/Doc-Ardan-The-Troglodytes-of-Mount-Everest-by-Guy-d-39-Armen.pdf
    • http://muicuiu.dumb1.com/7a00a08a04a04a06/Foraging-by-Joy-Howard.pdf
    • http://muicuiu.dumb1.com/7a00a08a04a05a05/Foraging-Theory-by-David-W-Stephens.pdf
    • http://muicuiu.dumb1.com/5a05a08a05a04a04/Close-to-You-Fusion-2-by-Kristen-Proby.pdf
    • http://muicuiu.dumb1.com/5a05a08a05a04a03/Listen-to-Me-Fusion-1-by-Kristen-Proby.pdf
    • http://muicuiu.dumb1.com/5a06a08a03a01a08/Irr-sistible-fusion-by-Simone-Elkeles.pdf
    • http://muicuiu.dumb1.com/5a07a09a04a06a01/The-Dark-Side-Verse-Humour-About-Troglodytes-And-Other-Strange-Folk-by-G-F-McHugh.pdf
    • http://muicuiu.dumb1.com/7a00a08a04a05a09/The-Foraging-Gourmet-by-Katie-Letcher-Lyle.pdf
    • http://muicuiu.dumb1.com/9a03a05a08a09a09/Life-in-Fusion-Summit-City-2-by-Ethan-Day.pdf
    • http://muicuiu.dumb1.com/1a00a07a02a03a07a01/The-Ecology-of-Adaptive-Radiation-Oxford-Series-in-Ecology-amp

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