Malicious PDF — malware analysis report

Static analysis result for SHA-256 6883fc841614a8ae…

MALICIOUS

PDF

47.0 KB Created: 2018-11-26 20:04:23 +03:00 Authoring application: Adobe PageMaker 7.0 (via Acrobat Distiller 5.0.5 for Macintosh)
MD5: b79256ed49a8e7e6e8b2d9d82c824be6 SHA-1: ba8bf713cee0d869966f5ca5028b8909467b25de SHA-256: 6883fc841614a8ae41f5f5917b9bf00e93e1cec3cdbad06d84053a125c1940af
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. While the document body is heavily obfuscated and unreadable, the presence of numerous links suggests an attempt to manipulate search engine results or redirect users to potentially malicious content hosted on external domains. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8527

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/prentice-hall-mathematics-course-1-grab-go-file-chapter-1.pdf
    • http://www.gorillawalker.com/cherry-a-life-of-apsley-cherry-garrard.pdf
    • http://www.gorillawalker.com/the-great-himalaya-trail-n7-the-langtang-helambu-section.pdf
    • http://www.gorillawalker.com/don-troiani-s-civil-war-infantry-by-don-troiani-may.pdf
    • http://www.gorillawalker.com/medical-geochemistry-geological-materials-and-health.pdf
    • http://www.gorillawalker.com/the-motion-of-light-in-water.pdf
    • http://www.gorillawalker.com/trumpet.pdf
    • http://www.gorillawalker.com/field-guide-to-meat-how-to-identify-select-and-prepare.pdf
    • http://www.gorillawalker.com/the-battle-of-monroe-s-crossroads-and-the-civil-war.pdf
    • http://www.gorillawalker.com/icaleo-2000-laser-applications-in-the-automotive-industry-conference.pdf
    • http://www.gorillawalker.com/basic-greek-vocabulary.pdf
    • http://www.gorillawalker.com/the-american-jury-midway-reprint.pdf
    • http://www.gorillawalker.com/music-radio-and-the-public-sphere-the-aesthetics-of-democracy.pdf
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    • http://www.gorillawalker.com/a-sentimentalist-theory-of-the-mind.pdf
    • http://www.gorillawalker.com/the-nature-of-work-an-introduction-to-debates-on-the.pdf
    • http://www.gorillawalker.com/accounting-2-quickstudy-business.pdf
    • http://www.gorillawalker.com/for-the-love-of-chocloate-labrador-retrievers-2014-calendar.pdf
    • http://www.gorillawalker.com/the-jews-secret-fleet-the-untold-story-of-north-american.pdf
    • http://www.gorillawalker.com/master-plumber-s-exam-flashcard-study-system-plumber-s-test.pdf
    • http://www.gorillawalker.com/women-in-this-town-new-york-paris-melbourne-tokyo-madrid.pdf
    • http://www.gorillawalker.com/theatre-games-exercises-for-learning-acting-skills.pdf
    • http://www.gorillawalker.com/fine-fabric-delicate-materials-for-architecture-and-interior-design.pdf
    • http://www.gorillawalker.com/the-handbook-of-communication-and-corporate-reputation-handbooks-in-communication.pdf
    • http://www.gorillawalker.com/the-light-of-knowledge-literacy-activism-and-the-politics-of.pdf
    • http://www.gorillawalker.com/pen-of-iron-american-prose-and-the-king-james-bible.pdf
    • http://www.gorillawalker.com/pretty-star-the-pony-and-other-stories-enid-blyton-s.pdf
    • http://www.gorillawalker.com/how-ega-makes-better-dies-honda-engineering-north-america-ega.pdf
    • http://www.gorillawalker.com/compatible-trios-for-winds-32-trios-that-can-be-played.pdf
    • http://www.gorillawalker.com/hunting-midnight.pdf
    • http://www.gorillawalker.com/animal-factory-the-looming-threat-of-industrial-pig-dairy-and.pdf
    • http://www.gorillawalker.com/advanced-digital-photography-techniques-tips-for-creating-professional-quality-images.pdf
    • http://www.gorillawalker.com/harriet-tubman-the-moses-of-her-people-unabridged-start-publishing.pdf
    • http://www.gorillawalker.com/endangered-and-threatened-species-of-illinois-status-and-distribution-volume.pdf
    • http://www.gorillawalker.com/evidence-a-structured-approach-2nd-second-edition.pdf
    • http://www.gorillawalker.com/mitos-y-leyendas-indigenas-coleccion-rascacielos-spanish-edition.pdf
    • http://www.gorillawalker.com/genetics-and-evolution-of-infectious-diseases-elsevier-insights.pdf
    • http://www.gorillawalker.com/mycotoxins-detection-methods-management-public-health-and-agricultural-trade.pdf
    • http://www.gorillawalker.com/axiomatic-set-theory-impredicative-theories-of-classes-mathematics-studies.pdf
    • http://www.gorillawalker.com/as-flies-to-the-spider-two-stories-of-female-domination.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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