Malicious PDF — malware analysis report

Static analysis result for SHA-256 d08550b91b938460…

MALICIOUS

PDF

44.4 KB Created: 2018-12-11 20:47:05 +03:00 Authoring application: FrameMaker 9.0 (via Acrobat Distiller 8.1.0 (Windows))
MD5: 0682cf1caededd8ba8b219581a797cc9 SHA-1: 27bc994793bfcf1385d2fb7ea437ae74386d9c55 SHA-256: d08550b91b93846087ff546990a3ce4eb5bc28e04a76fc0b13fec3fca7dc4561
90 Risk Score

Malware Insights

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

The PDF document was flagged by a machine learning classifier and contains a large number of embedded URLs pointing to external PDF files. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious content indirectly. The primary attack pattern involves luring the user to click on these links, which could lead to further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8452

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/the-meaning-of-human-existence-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/geometry-grades-6-8.pdf
    • http://www.gorillawalker.com/the-roman-forum-wonders-of-the-world.pdf
    • http://www.gorillawalker.com/ordinary-differential-equations-undergraduate-texts-in-mathematics.pdf
    • http://www.gorillawalker.com/dos-noches-de-pasion-spanish-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/the-child-support-consequential-and-miscellaneous-amendments-regulations-2014-statutory.pdf
    • http://www.gorillawalker.com/chlo-sevigny.pdf
    • http://www.gorillawalker.com/programmed-to-run.pdf
    • http://www.gorillawalker.com/mobile-web-development-building-mobile-websites-sms-and-mms-messaging.pdf
    • http://www.gorillawalker.com/the-great-instauration.pdf
    • http://www.gorillawalker.com/photography-lighting-setup-for-the-home-studio-the-missing-instructions.pdf
    • http://www.gorillawalker.com/technological-change-and-the-dynamics-of-industries-contributions-to-economic.pdf
    • http://www.gorillawalker.com/effect-of-injection-angle-on-the-interaction-between-sonic-secondary.pdf
    • http://www.gorillawalker.com/introduction-to-the-finite-element-method.pdf
    • http://www.gorillawalker.com/from-now-2-the-olympics-kindle-edition.pdf
    • http://www.gorillawalker.com/jason-steed-absolutely-nothing-kindle-edition.pdf
    • http://www.gorillawalker.com/distant-hunger-agriculture-food-and-human-values-science-and-society.pdf
    • http://www.gorillawalker.com/2-inverses-and-their-statistical-application-lecture-notes-in-statistics.pdf
    • http://www.gorillawalker.com/flirting-101-how-to-charm-your-way-to-love-friendship.pdf
    • http://www.gorillawalker.com/the-man-who-would-not-die-the-remarkable-life-of.pdf
    • http://www.gorillawalker.com/chemical-approach-to-glass-glass-science-technology.pdf
    • http://www.gorillawalker.com/architecture-of-competitions-2006-2008.pdf
    • http://www.gorillawalker.com/public-enemies-the-immortal-game.pdf
    • http://www.gorillawalker.com/building-a-pc-in-easy-steps.pdf
    • http://www.gorillawalker.com/adhd-in-preschool-children-assessment-and-treatment.pdf
    • http://www.gorillawalker.com/venus-exploring-the-solar-system.pdf
    • http://www.gorillawalker.com/camp-smart-cookbook-a-guide-to-campfire-cooking-with-mouth.pdf
    • http://www.gorillawalker.com/every-heart-restored-a-wife-s-guide-to-healing-in.pdf
    • http://www.gorillawalker.com/private-discounts-public-subsides-how-the-medicare-prescription-drug-discount.pdf
    • http://www.gorillawalker.com/orcs-vs-elves-vol-2-kindle-edition.pdf
    • http://www.gorillawalker.com/roulette-strategy-outside-bets-using-control-kindle-edition.pdf
    • http://www.gorillawalker.com/singapore-a-biography.pdf
    • http://www.gorillawalker.com/a-dream-upon-waking-grimearth.pdf
    • http://www.gorillawalker.com/focus-on-digital-landscape-photography.pdf
    • http://www.gorillawalker.com/new-enzymes-for-organic-synthesis-screening-supply-and-engineering-springer.pdf
    • http://www.gorillawalker.com/touching-tomorrow-the-emily-griffith-story.pdf
    • http://www.gorillawalker.com/glory-to-the-newborn-king-book-cd-sacred-performer-collections.pdf
    • http://www.gorillawalker.com/collected-papers-on-schizophrenia-and-related-subjects.pdf
    • http://www.gorillawalker.com/fetal-heart-rate-monitoring.pdf
    • http://www.gorillawalker.com/rand-mcnally-new-york-city-manhattan-brooklyn-bronx-queens-staten.pdf
    • http://www.gorill
    • 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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