Malicious PDF — malware analysis report

Static analysis result for SHA-256 146cfbe32bc5b6e8…

MALICIOUS

PDF

42.0 KB Created: 2018-12-15 08:52:27 +03:00 Authoring application: FrameMaker 9.0 (via Acrobat Distiller 8.1.0 (Windows))
MD5: 6a6f31f3fa5a7fd169fca764b66d0636 SHA-1: 73e44bed8023ad77b059110ba000df8e5b68707c SHA-256: 146cfbe32bc5b6e89a105d4e965a21e2d96f7497ffdfefd41d3da96d077c1d20
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links pointing to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the sheer volume of links suggests a malicious intent to redirect the user to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9027

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/american-west-the-an-interpretive-history.pdf
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    • http://www.gorillawalker.com/the-new-wild-flowers-and-how-to-grow-them.pdf
    • http://www.gorillawalker.com/learn-guitar-guitar-lessons-guitar-songs-guitar-fretboard-guitar-chords.pdf
    • http://www.gorillawalker.com/do-it-yourself-road-log-los-angeles-to-death-valley.pdf
    • http://www.gorillawalker.com/on-knowing-and-not-knowing-in-the-anthropology-of-medicine.pdf
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    • http://www.gorillawalker.com/the-obligation-toward-the-difficult-whole-postmodernist-long-poems-modern.pdf
    • http://www.gorillawalker.com/insomnia-cure-the-simple-insomnia-treatment-plan-that-will-have.pdf
    • http://www.gorillawalker.com/mix-it-up-solution-or-mixture-my-science-library.pdf
    • http://www.gorillawalker.com/beneath-the-big-top-a-social-history-of-the-circus.pdf
    • http://www.gorillawalker.com/u-s-foreign-intelligence-the-secret-side-of-american-history.pdf
    • http://www.gorillawalker.com/lustiges-taschenbuch-nr-468-der-grillmeister-german-edition.pdf
    • http://www.gorillawalker.com/expendable-launch-vehicle-flight-control-design-simulation-with-matlab-simulink.pdf
    • http://www.gorillawalker.com/the-american-republic-orestes-a-brownson-works-in-political-philosophy.pdf
    • http://www.gorillawalker.com/critique-of-psychoanalytic-concepts-and-theories-kindle-edition.pdf
    • http://www.gorillawalker.com/brojob-2-a-friendly-wager-mm-first-time-gay-romance.pdf
    • http://www.gorillawalker.com/mormon-feminism-essential-writings.pdf
    • http://www.gorillawalker.com/no-hot-water-tonight.pdf
    • http://www.gorillawalker.com/art-prints-93-1996-isbn-4872420934-japanese-import.pdf
    • http://www.gorillawalker.com/iso-15500-17-2001-road-vehicles-compressed-natural-gas-cng.pdf
    • http://www.gorillawalker.com/history-of-british-railway-carriages-1900-53.pdf
    • http://www.gorillawalker.com/visual-strategies-for-improving-communication-revised-updated-edition-practical-supports.pdf
    • http://www.gorillawalker.com/every-day-pronunciation.pdf
    • http://www.gorillawalker.com/paradise-lost-the-biblically-annotated-edition.pdf
    • http://www.gorillawalker.com/naawe.pdf
    • http://www.gorillawalker.com/python-in-a-day-learn-the-basics-learn-it-quick.pdf
    • http://www.gorillawalker.com/ecce-romani-level-1a-student-edition-softcover-2005c.pdf
    • http://www.gorillawalker.com/number-search-101-puzzle-in-large-22pt-font-volume-2.pdf
    • http://www.gorillawalker.com/irish-tunes-for-violin-1-irish-collection.pdf
    • http://www.gorillawalker.com/rights-gender-and-family-law.pdf
    • http://www.gorillawalker.com/working-with-visually-impaired-young-students-a-curriculum-guide-for.pdf
    • http://www.gorillawalker.com/tools-for-living-a-sourcebook-of-iconic-designs-for-the.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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