Malicious PDF — malware analysis report

Static analysis result for SHA-256 68c7755574789f95…

MALICIOUS

PDF

40.0 KB Created: 2018-11-14 21:48:47 +03:00 Authoring application: Acrobat PDFMaker 5.0 for Word (via Acrobat Distiller 5.0.5 (Windows))
MD5: 88b46ff976c6bf8bf6996b91d8294930 SHA-1: ace4764b709d3c6ef2dc3ea5e8fff8fcfbd8e4b0 SHA-256: 68c7755574789f951e60f8b4288c51b80c01bda1287f4512346384bf387cacff
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files hosted on the same domain, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, and the document body was unreadable, limiting further analysis.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

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://www.gorillawalker.com/who-was-roald-dahl-paperback.pdf
    • http://www.gorillawalker.com/the-ab-guide-to-music-theory-vol-1-by-taylor.pdf
    • http://www.gorillawalker.com/bhutan-land-of-the-thunder-dragon.pdf
    • http://www.gorillawalker.com/baring-it-all.pdf
    • http://www.gorillawalker.com/the-ultimate-guide-to-curing-acne-and-pimple-understand-the.pdf
    • http://www.gorillawalker.com/success-marketing-strategies-for-your-telescopes-online-business.pdf
    • http://www.gorillawalker.com/introduction-to-plasma-physics-and-controlled-fusion-volume-1-plasma.pdf
    • http://www.gorillawalker.com/the-moment.pdf
    • http://www.gorillawalker.com/the-manager-as-change-leader.pdf
    • http://www.gorillawalker.com/structured-commodity-finance-techniques-and-applications-for-successful-financing-arrangement.pdf
    • http://www.gorillawalker.com/20-pack-hucow-ultrabundle.pdf
    • http://www.gorillawalker.com/the-art-of-renaissance-warfare-from-the-fall-of-constantinople.pdf
    • http://www.gorillawalker.com/a-promise-to-a-proposal.pdf
    • http://www.gorillawalker.com/marine-insurance-clauses-maritime-and-transport-law-library.pdf
    • http://www.gorillawalker.com/colds-it-s-catching.pdf
    • http://www.gorillawalker.com/color-atlas-of-dermatopathology-dermatology-clinical-basic-science.pdf
    • http://www.gorillawalker.com/treasures-of-prehistoric-art.pdf
    • http://www.gorillawalker.com/creations-of-the-mind-theories-of-artifacts-and-their-representation.pdf
    • http://www.gorillawalker.com/the-genesis-of-lachmann-s-method.pdf
    • http://www.gorillawalker.com/girl-on-top-a-sexy-female-catfight-collection.pdf
    • http://www.gorillawalker.com/first-cases.pdf
    • http://www.gorillawalker.com/mathematics-and-computing-icmc-haldia-india-january-2015-springer-proceedings.pdf
    • http://www.gorillawalker.com/conoces-el-oceano-ocean-facts-spanish-edition.pdf
    • http://www.gorillawalker.com/they-call-me-sacagawea-lewis-clark-expedition.pdf
    • http://www.gorillawalker.com/home-network-handbook-learn-how-to-set-up-your-home.pdf
    • http://www.gorillawalker.com/god-only-knows.pdf
    • http://www.gorillawalker.com/gregorian-chant-midland-book.pdf
    • http://www.gorillawalker.com/wingspan.pdf
    • http://www.gorillawalker.com/ged-demystified.pdf
    • http://www.gorillawalker.com/god-s-invitation-meditations-on-a-covenant-relationship.pdf
    • http://www.gorillawalker.com/latvia-administrative-divisions-sudoc-prex-3-10-4-l-35.pdf
    • http://www.gorillawalker.com/adobe-photoshop-cs3-a-z-tools-and-features-illustrated-ready.pdf
    • http://www.gorillawalker.com/beautiful-joe-an-autobiography-of-a-dog.pdf
    • http://www.gorillawalker.com/the-phylogenetic-handbook-a-practical-approach-to-phylogenetic-analysis-and.pdf
    • http://www.gorillawalker.com/best-practices-in-occupational-therapy-education.pdf
    • http://www.gorillawalker.com/veterans-rebuild-america.pdf
    • http://www.gorillawalker.com/free-to-solo-for-trombone-book-cd.pdf
    • http://www.gorillawalker.com/the-ernest-tubb-songbook-piano-vocal-guitar-artist-songbook.pdf
    • http://www.gorillawalker.com/period-costume-for-stage-and-screen-dominos-dolmans-coats-pelisses.pdf
    • http://www.gorillawalker.com/heaven-in-his-arms-kindle-edition.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/schema#
    • http://www.aiim.org/pdfa/ns/property#
    • http://www.aiim.org/pdfa/ns/id/

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