Malicious PDF — malware analysis report

Static analysis result for SHA-256 174e0f5fa9261a73…

MALICIOUS

PDF

43.9 KB Created: 2019-01-06 08:09:53 +03:00 Authoring application: FrameMaker 7.1 (via Acrobat Distiller 7.0.5 (Windows))
MD5: 44358511e648cbd83f3efbb3da451267 SHA-1: 9e6889e9dd8086761c35bd69d1cff2e4fc73b24c SHA-256: 174e0f5fa9261a73546ac0efac7047c766ae7826afc0a7deedc848a624b7d808
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files hosted on 'gorillawalker.com'. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious content disguised as legitimate documents. No scripts were extracted, and the document body was heavily obfuscated, making it difficult to determine a more specific intent beyond link distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9016

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/the-second-mark-courage-corruption-and-the-battle-for-olympic.pdf
    • http://www.gorillawalker.com/black-cumin-the-magical-egyptian-herb-for-allergies-asthma-skin.pdf
    • http://www.gorillawalker.com/mnemonics-for-radiologists-and-professional-exam-preparation-a-systematic-approach.pdf
    • http://www.gorillawalker.com/dread-book-2-trapped-in-the-hollow-earth-novelette-series.pdf
    • http://www.gorillawalker.com/ad-rame-vol-menes-1-3-spanish-edition.pdf
    • http://www.gorillawalker.com/algebra-i-1-001-practice-problems-for-dummies-free-online.pdf
    • http://www.gorillawalker.com/day-book-that-concerns-marketing-as-a-trial-1-marketing.pdf
    • http://www.gorillawalker.com/a-matter-of-opinion-listening-and-speaking-exercises.pdf
    • http://www.gorillawalker.com/knee-pain-the-self-help-guide.pdf
    • http://www.gorillawalker.com/2003-selected-standards-on-professional-responsibility-including-california-and-new.pdf
    • http://www.gorillawalker.com/monster-high-create-a-monster-design-lab-sticker-book.pdf
    • http://www.gorillawalker.com/summoned-from-the-margin.pdf
    • http://www.gorillawalker.com/colonial-women-23-europeans-who-helped-build-a-nation.pdf
    • http://www.gorillawalker.com/the-wholehearted-church-planter-leadership-from-the-inside-out-tcp.pdf
    • http://www.gorillawalker.com/the-south-beach-diet-supercharged-faster-weight-loss-and-better.pdf
    • http://www.gorillawalker.com/human-biology-eleventh-edition.pdf
    • http://www.gorillawalker.com/abschied-f-r-immer-und-nie-german-edition.pdf
    • http://www.gorillawalker.com/manuscript-writing-grades-k-2-learning-line.pdf
    • http://www.gorillawalker.com/sexualities-critical-concepts-in-sociology.pdf
    • http://www.gorillawalker.com/translanguaging-language-bilingualism-and-education-palgrave-pivot.pdf
    • http://www.gorillawalker.com/traction-get-a-grip-on-your-business-unabridged-audible-audio.pdf
    • http://www.gorillawalker.com/great-moments-in-mathematics-after-1650-dolciani-mathematical-expositions.pdf
    • http://www.gorillawalker.com/the-psychology-of-twilight.pdf
    • http://www.gorillawalker.com/the-child-stealers-center-point-western-enhanced.pdf
    • http://www.gorillawalker.com/sugar-rush-master-tips-techniques-and-recipes-for-sweet-baking.pdf
    • http://www.gorillawalker.com/crossing-nicaragua.pdf
    • http://www.gorillawalker.com/colombia-s-forgotten-frontier-a-literary-geography-of-the-putumayo.pdf
    • http://www.gorillawalker.com/juvenile-justice-a-social-historical-and-legal-perspective.pdf
    • http://www.gorillawalker.com/chinese-medicine-and-healing-an-illustrated-history.pdf
    • http://www.gorillawalker.com/the-penguin-book-of-19th-century-australian-literature.pdf
    • http://www.gorillawalker.com/vegan-bulgarian-recipes-to-keep-body-and-soul-healthy-mediterranean.pdf
    • http://www.gorillawalker.com/killer-doctors.pdf
    • http://www.gorillawalker.com/win-place-and-show-an-introduction-to-the-thrill-of.pdf
    • http://www.gorillawalker.com/by-harpercollins-publishers-collins-spanish-concise-dictionary-3e-harpercollins-concise.pdf
    • http://www.gorillawalker.com/a-java-universal-vehicle-router-in-support-of-routing-unmanned.pdf
    • http://www.gorillawalker.com/deadly-sanity.pdf
    • http://www.gorillawalker.com/mary-bloody-mary.pdf
    • http://www.gorillawalker.com/mountain-lion-puma-panther-painter-cougar-wonder.pdf
    • http://www.gorillawalker.com/julius-caesar-civil-war-i-and-ii-civil-war-aris.pdf
    • http://www.gorillawalker.com/second-nature-economic-origins-of-human-evolution.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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