Malicious PDF — malware analysis report

Static analysis result for SHA-256 bf13a135942d982b…

MALICIOUS

PDF

34.2 KB Created: 2020-01-03 01:18:27 +03:00 Authoring application: DVIPSONE 2.2.4 http://www.YandY.com (via Acrobat Distiller 7.0.5 (Windows))
MD5: 6259a0cc90496f0dc1fc1a2b1ec5b228 SHA-1: c77688470c54a5145be5e0a11a7b1b463df34473 SHA-256: bf13a135942d982b1a85df1ccad4e6e9a412a54424729bdf5a70945329944de2
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

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

Machine Learning

  • Nyx PDF Classifier malicious score 0.8015

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/delegated-powers-scrutiny-report-by-the-subordinate-legislation-committee-regulation.pdf
    • http://www.gorillawalker.com/piano-concerto-in-full-score-dover-music-scores.pdf
    • http://www.gorillawalker.com/a-graphical-approach-to-precalculus-books-a-la-carte-edition.pdf
    • http://www.gorillawalker.com/the-real-inspector-hound-paperback.pdf
    • http://www.gorillawalker.com/the-content-of-media-quality-profit-and-competition.pdf
    • http://www.gorillawalker.com/white-male-privilege-a-study-of-racism-in-america-50.pdf
    • http://www.gorillawalker.com/life-magazine-issue-dated-august-12-1946-cover-story-this.pdf
    • http://www.gorillawalker.com/step-by-step-cake-decorating.pdf
    • http://www.gorillawalker.com/teaching-gifted-and-talented-students-in-the-primary-school-a.pdf
    • http://www.gorillawalker.com/getting-in-inside-the-college-admissions-process.pdf
    • http://www.gorillawalker.com/career-paths-in-psychology-where-your-degree-can-take-you.pdf
    • http://www.gorillawalker.com/frisch-heran-op-386-keyboard-conductor-score-qty-2-a6557.pdf
    • http://www.gorillawalker.com/samantha-s-mystery-party-game-american-girl-collection.pdf
    • http://www.gorillawalker.com/trade-shows-in-the-globalizing-knowledge-economy.pdf
    • http://www.gorillawalker.com/lifeonaire.pdf
    • http://www.gorillawalker.com/classic-sermons-on-lesser-known-bible-characters-kregel-classic-sermons.pdf
    • http://www.gorillawalker.com/27-st-methodius-the-symposium-a-treatise-on-chastity-ancient.pdf
    • http://www.gorillawalker.com/anderson-allan-2000-zion-and-pentecost-incluye-otras-resenas-resena.pdf
    • http://www.gorillawalker.com/the-real-deal-uncommon-courage.pdf
    • http://www.gorillawalker.com/basic-principles-of-nursing-care.pdf
    • http://www.gorillawalker.com/the-north-pool.pdf
    • http://www.gorillawalker.com/the-rise-and-fall-of-bear-stearns.pdf
    • http://www.gorillawalker.com/short-course-in-medical-terminology-2nd-edition.pdf
    • http://www.gorillawalker.com/mugai-ryu-the-classical-samurai-art-of-drawing-the-sword.pdf
    • http://www.gorillawalker.com/overcoming-situational-and-general-anger-client-manual-best-practices-for.pdf
    • http://www.gorillawalker.com/ep-1-aurora-cv-01-the-frontiers-saga.pdf
    • http://www.gorillawalker.com/american-meteor.pdf
    • http://www.gorillawalker.com/1911-the-first-100-years-the-first-100-years.pdf
    • http://www.gorillawalker.com/attachment-trauma-healing-understanding-and-treating-attachment-disorder-in-children.pdf
    • http://www.gorillawalker.com/study-guide-pierre-jean.pdf
    • http://www.gorillawalker.com/angels-and-demons-book-one.pdf
    • http://www.gorillawalker.com/mysteries-of-the-libyan-desert-a-record-of-three-years.pdf
    • http://www.gorillawalker.com/plant-nutrition-the-green-world.pdf
    • http://www.gorillawalker.com/commutation-properties-of-hilbert-space-operators-and-related-topics-ergebnisse.pdf
    • http://www.gorillawalker.com/fruits-eat-smart.pdf
    • http://www.gorillawalker.com/bernstein-remembered.pdf
    • http://www.gorillawalker.com/what-makes-flamingos-pink-a-colorful-collection-of-q-a.pdf
    • http://www.gorillawalker.com/who-visits-me-from-a-to-z-an-alphabetical-adventure.pdf
    • http://www.gorillawalker.com/application-and-theory-of-petri-nets-1997-18th-international-conference.pdf
    • http://www.gorillawalker.com/farm-accounting-and-business-methods-a-text-book-for-students.pdf
    • http://www.gorillawalker
    • 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://www.YandY.com
    • 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#
    +1 more URL(s)

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