Malicious PDF — malware analysis report

Static analysis result for SHA-256 d418d57487b8e56f…

MALICIOUS

PDF

43.3 KB Created: 2019-03-16 08:59:19 +03:00 Authoring application: QuarkXPress(tm) 6.1
MD5: 46e7ed007ac82fefc657a15451d5bc90 SHA-1: 1c4d5b15f1a6825c7855ac4957d77bde6d28692a SHA-256: d418d57487b8e56f73c5a3445003418083c601bb325835c379d36378471a85e8
60 Risk Score

Malware Insights

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

The PDF file was flagged for containing a large number of external links, indicative of a link farm or SEO spam. The primary heuristic identified a mass external PDF link farm with 32 links, predominantly hosted on www.gorillawalker.com. While no scripts were extracted, the sheer volume of links suggests an attempt to manipulate search engine results or direct users to potentially malicious content. The document body was heavily obfuscated and did not provide further context.

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/survival-communications-in-indiana-north-region.pdf
    • http://www.gorillawalker.com/be-comforted-isaiah-feeling-secure-in-the-arms-of-god.pdf
    • http://www.gorillawalker.com/easy-classical-saxophone-solos-for-alto-baritone-tenor-soprano-saxophone.pdf
    • http://www.gorillawalker.com/an-empire-divided-religion-republicanism-and-the-making-of-french.pdf
    • http://www.gorillawalker.com/daisy-the-owl-s-misadventures-with-interjections-kindle-edition.pdf
    • http://www.gorillawalker.com/my-son-s-girlfriend-vol-1-bundle-naughty-younger-woman.pdf
    • http://www.gorillawalker.com/captain-midnight-s-post-war-radio-years.pdf
    • http://www.gorillawalker.com/world-history-series-the-internment-of-the-japanese.pdf
    • http://www.gorillawalker.com/marvel-encyclopedia-volume-2-x-men-hc.pdf
    • http://www.gorillawalker.com/tunneling-earthworms-pull-ahead-books.pdf
    • http://www.gorillawalker.com/ardaigh-cuain-harp-part-for-5924-harp-sheet-music.pdf
    • http://www.gorillawalker.com/tokyo.pdf
    • http://www.gorillawalker.com/the-strained-alliance-peking-poyiongyang-moscow-and-the-politics-of.pdf
    • http://www.gorillawalker.com/armageddon-strain.pdf
    • http://www.gorillawalker.com/aerobics-program.pdf
    • http://www.gorillawalker.com/the-rough-guide-to-sardinia-rough-guide-to-kindle-edition.pdf
    • http://www.gorillawalker.com/aprender-adobe-after-effects-cs5-5-con-100-ejercicios-pr.pdf
    • http://www.gorillawalker.com/anecdotes-of-samuel-johnson-pocket-classics.pdf
    • http://www.gorillawalker.com/new-media-and-learning-in-the-21st-century-a-socio.pdf
    • http://www.gorillawalker.com/mature-sex-domination-arrogance-lady-b-sex-photo-ebook-for.pdf
    • http://www.gorillawalker.com/mouth-to-mouth.pdf
    • http://www.gorillawalker.com/nerves-and-the-gastrointestinal-tract-falk-symposium.pdf
    • http://www.gorillawalker.com/computer-forensics-infosec-pro-guide.pdf
    • http://www.gorillawalker.com/differential-display-methods-and-protocols-methods-in-molecular-biology.pdf
    • http://www.gorillawalker.com/physiology-of-the-eye.pdf
    • http://www.gorillawalker.com/a-creative-approach-to-music-fundamentals-8th-edition-eighth-edition.pdf
    • http://www.gorillawalker.com/the-pacific-crossing-guide-royal-cruising-club-pilotage-foundation-in.pdf
    • http://www.gorillawalker.com/dino-hunt-boxed-set-op.pdf
    • http://www.gorillawalker.com/seminar.pdf
    • http://www.gorillawalker.com/boxing-naval-aviation-physical-training-manuals.pdf
    • http://www.gorillawalker.com/brains-machines-and-mathematics.pdf
    • http://www.gorillawalker.com/an-encyclopedia-of-the-violin-dover-books-on-music.pdf
    • http://www.gorillawalker.com/21-century-vocational-education-planning-materials-double-certificate-series-electrical.pdf
    • http://www.gorillawalker.com/frenzied-finance-vol-1-classic-reprint.pdf
    • http://www.gorillawalker.com/the-manhattan-project-milestones-in-modern-world-history.pdf
    • http://www.gorillawalker.com/force-gr-5-8-kindle-edition.pdf
    • http://www.gorillawalker.com/regression-analysis-and-its-application-a-data-oriented-approach-statistics.pdf
    • http://www.gorillawalker.com/job-interview-to-do-list-a-simple-makeover-for-anyone.pdf
    • http://www.gorillawalker.com/early-music-history-volume-20-studies-in-medieval-and-early.pdf
    • http://www.gorillawalker.com/the-nature-and-origins-of-mass-opinion-cambridge-studies-in.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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