Malicious PDF — malware analysis report

Static analysis result for SHA-256 cbd2d0e1dd542ef8…

MALICIOUS

PDF

44.6 KB Created: 2019-04-09 12:24:26 +03:00 Authoring application: Adobe InDesign CC (Macintosh) (via Adobe PDF Library 11.0)
MD5: 4793253a5e0194e9b53cb2c3d03287b7 SHA-1: 1629e009e11edfcd43a77afd0d8802e291e58b17 SHA-256: cbd2d0e1dd542ef8a37b8cfc8f91ad86856305c321bd413bdba258d204b55e68
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

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. 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 0.8439

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/crystal-field-engineering-of-solid-state-laser-materials-cambridge-studies.pdf
    • http://www.gorillawalker.com/my-dragon-humphrey.pdf
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    • http://www.gorillawalker.com/royal-escape.pdf
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    • http://www.gorillawalker.com/dandelion-taraxacum-officinale-flower-extract-suppresses-both-reactive-oxygen-species.pdf
    • http://www.gorillawalker.com/beethoven-symphony-no-7-op-92-piano-transcription-by-f.pdf
    • http://www.gorillawalker.com/paleo-desserts-33-scrumptious-valentine-s-day-recipes-grain-free.pdf
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    • http://www.gorillawalker.com/scattering-amplitudes-in-gauge-theories-lecture-notes-in-physics-volume.pdf
    • http://www.gorillawalker.com/michael-vey-preso-de-la-luz-spanish-edition.pdf
    • http://www.gorillawalker.com/manuka-the-biography-of-an-extraordinary-honey.pdf
    • http://www.gorillawalker.com/my-15-grandmothers.pdf
    • http://www.gorillawalker.com/ohio-legal-research-legal-research-series.pdf
    • http://www.gorillawalker.com/medical-terminology-easy-to-learn-korean-edition.pdf
    • http://www.gorillawalker.com/the-fraud-of-the-rings.pdf
    • http://www.gorillawalker.com/signature-tastes-of-denver-favorite-recipes-of-our-local-restaurants.pdf
    • http://www.gorillawalker.com/somethin-stupid-piano-vocal-guitar.pdf
    • http://www.gorillawalker.com/a-practical-guide-to-information-systems-strategic-planning-second-edition.pdf
    • http://www.gorillawalker.com/samuel-beckett-s-theatre-in-america-the-legacy-of-alan.pdf
    • http://www.gorillawalker.com/the-boy-scouts-of-woodcraft-camp-illustrated-classic-books-for.pdf
    • http://www.gorillawalker.com/zur-theologie-des-todes-europaische-hochschulschriften-series-theologie-reihe-23.pdf
    • http://www.gorillawalker.com/fundamentals-of-oceanography.pdf
    • http://www.gorillawalker.com/four-year-data-show-finasteride-fattens-hair-consider-adding-minoxidil.pdf
    • http://www.gorillawalker.com/bates-gu-a-de-exploraci-n-f-sica-e-historia.pdf
    • http://www.gorillawalker.com/college-physics-reasoning-and-relationships-textbooks-available-with-cengage-youbook.pdf
    • http://www.gorillawalker.com/litigation-by-the-numbers-fourth-edition.pdf
    • http://www.gorillawalker.com/macroeconomics-principles-applications-and-tools-6th-edition.pdf
    • http://www.gorillawalker.com/synapsis-philadelphia-campus-1954-by-philadelphia-college-of-osteopathy-pa.pdf
    • http://www.gorillawalker.com/exploring-the-role-of-morphology-in-the-evolution-of-spanish.pdf
    • http://www.gorillawalker.com/achilles-forjan-kindle-edition.pdf
    • http://www.gorillawalker.com/republic-of-fear-the-politics-of-modern-iraq.pdf
    • http://www.gorillawalker.com/dandelion-taraxacum-officinale-flower-extr
    • 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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