Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e908140b550cc26…

MALICIOUS

PDF

34.4 KB Created: 2020-02-08 14:40:12 +03:00 Authoring application: QuarkXPressª 4.11: AdobePS 8.7.3 (301) (via Acrobat Distiller 5.0.5 for Macintosh)
MD5: 4a60d72811e63e63ccd4761c9522b449 SHA-1: d37b96fcc28cf323ba68da9b3581776a542973c3 SHA-256: 0e908140b550cc26b6123c5e7f98d6ccc3aba0d99fc9843fb1594322383ef543
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a heuristic firing indicating a large number of external PDF links, suggesting a link farm or SEO manipulation tactic. The embedded URLs point to various PDF documents on the 'gorillawalker.com' domain. While no scripts were extracted, the sheer volume of links and the ML classifier's prediction indicate malicious intent, likely related to driving traffic or distributing further content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8018

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/just-thinking-thoughts-on-spirituality-loss-love-one-day-at.pdf
    • http://www.gorillawalker.com/chess-for-the-elementary-school-student.pdf
    • http://www.gorillawalker.com/100-successful-college-application-essays-mentor-series.pdf
    • http://www.gorillawalker.com/voctoria-abdul.pdf
    • http://www.gorillawalker.com/limitless-devotions-for-a-ridiculously-good-life.pdf
    • http://www.gorillawalker.com/mental-traps-stupid-things-that-sane-people-do-to-mess.pdf
    • http://www.gorillawalker.com/the-scientology-handbook.pdf
    • http://www.gorillawalker.com/studyguide-for-berne-and-levy-physiology-by-koeppen-bruce-m.pdf
    • http://www.gorillawalker.com/demon-night-the-guardians-book-3.pdf
    • http://www.gorillawalker.com/albert-durer.pdf
    • http://www.gorillawalker.com/by-dodinsky-2015-in-the-garden-of-thoughts-planner-egmt.pdf
    • http://www.gorillawalker.com/the-african-american-holiday-of-kwanzaa-a-celebration-of-family.pdf
    • http://www.gorillawalker.com/who-s-got-time-time-management-strategies-made-simple-for.pdf
    • http://www.gorillawalker.com/malcolm-arnold-sonatina-for-recorder-and-piano-op-41-partitions.pdf
    • http://www.gorillawalker.com/customers-are-people-the-human-touch.pdf
    • http://www.gorillawalker.com/peter-maxwell-davies-strathclyde-concerto-no-6-miniature-score.pdf
    • http://www.gorillawalker.com/new-methods-for-the-arbitrage-pricing-theory-and-the-present.pdf
    • http://www.gorillawalker.com/handbook-of-the-economics-of-giving-altruism-and-reciprocity-volume.pdf
    • http://www.gorillawalker.com/areawide-pest-management-theory-and-implementation.pdf
    • http://www.gorillawalker.com/tyrell.pdf
    • http://www.gorillawalker.com/inner-lives-of-deaf-children-interviews-and-analysis.pdf
    • http://www.gorillawalker.com/bcp-standard-prayer-book-black-hardcover-cp220.pdf
    • http://www.gorillawalker.com/we-all-play-disabilities-and-differences.pdf
    • http://www.gorillawalker.com/optic-gaming-the-true-story-of-the-making-of-esports.pdf
    • http://www.gorillawalker.com/longman-preparation-course-for-the-toefl-test-ibt-lesson-plans.pdf
    • http://www.gorillawalker.com/mystery-the-card-counter-suspense-thriller-mystery-mystery-suspense-thriller.pdf
    • http://www.gorillawalker.com/music-its-secret-influence-throughout-the-ages.pdf
    • http://www.gorillawalker.com/natural-resource-policymaking-in-developing-countries-environment-economic-growth-and.pdf
    • http://www.gorillawalker.com/incubus-dreams-anita-blake-vampire-hunter-book-12.pdf
    • http://www.gorillawalker.com/aa-street-by-street-edinburgh.pdf
    • http://www.gorillawalker.com/fundamentos-de-aire-acondicionado-y-refrigeracion-fundamentals-of-air-conditioning.pdf
    • http://www.gorillawalker.com/essential-management-skills-for-pharmacy-and-business-managers.pdf
    • http://www.gorillawalker.com/thai-cooking-in-3-steps-cook-easy-and-healthy-thai.pdf
    • http://www.gorillawalker.com/ukulele-scale-finder-9-x12.pdf
    • http://www.gorillawalker.com/the-text-of-the-new-testament-in-contemporary-research-essays.pdf
    • http://www.gorillawalker.com/the-greenhouse-gardener-s-manual.pdf
    • http://www.gorillawalker.com/flamenco-the-art-of-flamenco-its-history-and-development-until.pdf
    • http://www.gorillawalker.com/captive-au-paradis-azur-french-edition.pdf
    • http://www.gorillawalker.com/sat-physics-subject-test-flashcard-study-system-sat-subject-exam.pdf
    • http://www.gorillawalker.com/narrative-of-an-expedition-to-the-polar-sea-in-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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