Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9c129ac2d0a8d06…

MALICIOUS

PDF

44.4 KB Created: 2018-12-08 04:22:39 +03:00 Authoring application: QuarkXPress(tm) 6.1
MD5: 40cb37bc9f585f6b77ac4e701058ca4f SHA-1: 07611f946916bdb8aac1e0173f169f5b68bffd63 SHA-256: d9c129ac2d0a8d0609d47de73cc36fff909aaa1a0458c984cddcd7f70da77436
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a large number of embedded external links, indicating a potential SEO spam or content distribution scheme. The primary heuristic identified a 'PDF_SEO_LINK_FARM' with 32 external links, suggesting the document's purpose is to link to numerous other PDFs hosted on the same domain. No scripts were extracted from this sample.

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/antibiofilm-agents-from-diagnosis-to-treatment-and-prevention-springer-series.pdf
    • http://www.gorillawalker.com/a-restatement-of-religion-swami-vivekananda-and-the-making-of.pdf
    • http://www.gorillawalker.com/little-eden-a-child-at-war.pdf
    • http://www.gorillawalker.com/interstellar-service-discipline-fallen-star.pdf
    • http://www.gorillawalker.com/secrets-of-the-soul-a-social-and-cultural-history-of.pdf
    • http://www.gorillawalker.com/chile-road-maps.pdf
    • http://www.gorillawalker.com/cable-and-satellite-asia-2000.pdf
    • http://www.gorillawalker.com/the-castles-of-edward-i-in-wales-1277-1307-fortress.pdf
    • http://www.gorillawalker.com/gods-and-planets-the-archetypes-of-astrology.pdf
    • http://www.gorillawalker.com/beyond-bumper-sticker-ethics-an-introduction-to-theories-of-right.pdf
    • http://www.gorillawalker.com/seeing-reds-federal-surveillance-of-radicals-in-the-pittsburgh-mill.pdf
    • http://www.gorillawalker.com/philosophical-virtues-and-psychological-strengths.pdf
    • http://www.gorillawalker.com/every-bone-tells-a-story-hominin-discoveries-deductions-and-debates.pdf
    • http://www.gorillawalker.com/napoleon-bonaparte-documentary-study.pdf
    • http://www.gorillawalker.com/the-fisherman-and-the-rhinoceros-how-international-finance-shapes-everyday.pdf
    • http://www.gorillawalker.com/if-saddlebags-could-talk-methodist-stories-and-anecdotes.pdf
    • http://www.gorillawalker.com/magento-php-developer-s-guide-second-edition.pdf
    • http://www.gorillawalker.com/before-electricity-sb-read-all-about-it.pdf
    • http://www.gorillawalker.com/the-forest-and-the-trees-sociology-as-life-practice-and.pdf
    • http://www.gorillawalker.com/the-shape-of-herodotean-rhetoric-a-study-of-the-speeches.pdf
    • http://www.gorillawalker.com/in-the-shadow-of-the-poorhouse-a-social-history-of.pdf
    • http://www.gorillawalker.com/fifty-shades-of-foreskin-a-jake-parker-adventure-the-erotic.pdf
    • http://www.gorillawalker.com/die-schwarze-taube-von-siwa-german-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/the-secret-plot-to-save-the-tsar-new-truths-behind.pdf
    • http://www.gorillawalker.com/border-patrol-exam-border-patrol-exam-your-fast-track-to.pdf
    • http://www.gorillawalker.com/byron-s-othered-self-and-voice-contextualizing-the-homographic-signature.pdf
    • http://www.gorillawalker.com/new-casserole-treasury.pdf
    • http://www.gorillawalker.com/american-women-in-gilded-age-london-expatriates-rediscovered.pdf
    • http://www.gorillawalker.com/a-higher-form-of-killing-the-secret-history-of-chemical.pdf
    • http://www.gorillawalker.com/sobotta-histolog-a-spanish-edition.pdf
    • http://www.gorillawalker.com/tort-law-for-paralegals-3rd-edition.pdf
    • http://www.gorillawalker.com/human-rights-in-a-post-human-world-critical-essays.pdf
    • http://www.gorillawalker.com/legal-basis-for-a-national-space-legislation-space-regulations-library.pdf
    • http://www.gorillawalker.com/the-memoirs-of-jin-luxian-learning-and-relearning-1916-1982.pdf
    • http://www.gorillawalker.com/a-gap-in-nature-discovering-the-world-s-extinct-animals.pdf
    • http://www.gorillawalker.com/the-fan-fiction-studies-reader-fan-studies.pdf
    • http://www.gorillawalker.com/healing-teas.pdf
    • http://www.gorillawalker.com/gaggle-sisters-river-tour-the-the-gaggle-sisters.pdf
    • http://www.gorillawalker.com/the-meaning-of-sarkozy.pdf
    • http://www.gorillawalker.com/ennio-morricone-gabriel-s-oboe-piano-solo-or-oboe-piano.pdf
    • http://www.gorillawalker.com/secrets-of-the-soul-a-social-and-cultural-history-of
    • 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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