Malicious PDF — malware analysis report

Static analysis result for SHA-256 30658d159fbd4e27…

MALICIOUS

PDF

42.6 KB Created: 2018-12-14 20:11:04 +03:00 Authoring application: doPDF Ver 7.2 Build 376 (Windows XP Professional Edition (SP 3) - Version: 5.1.2600 (x86))
MD5: 92bde432f236b31e00f6db6557c3210f SHA-1: 2ac1dc472c9331167ed304f17cd188decc1e5baa SHA-256: 30658d159fbd4e27932c863903eb297e5774ab3eddffb1314ea7cf35dc6a7518
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, primarily hosted on www.gorillawalker.com. This technique is often used to distribute malicious content or to engage in SEO poisoning to drive traffic to malicious sites. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9027

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-rhythm-bible-book-cd.pdf
    • http://www.gorillawalker.com/surrender-my-slut-bdsm-male-dominance-female-submission-xxx-erotica.pdf
    • http://www.gorillawalker.com/the-ruby-way-second-edition-solutions-and-techniques-in-ruby.pdf
    • http://www.gorillawalker.com/commonsense-cataloging-a-cataloger-s-manual.pdf
    • http://www.gorillawalker.com/rugged-gold-miners-true-tales-of-the-wild-west.pdf
    • http://www.gorillawalker.com/easy-to-make-firehouse-in-full-color.pdf
    • http://www.gorillawalker.com/touching-distance.pdf
    • http://www.gorillawalker.com/the-everything-easy-cross-words-book-challenging-fun-for-beginners.pdf
    • http://www.gorillawalker.com/what-the-night-porter-saw-kindle-edition.pdf
    • http://www.gorillawalker.com/kung-fu-panda-create-a-story.pdf
    • http://www.gorillawalker.com/robert-ludlum-s-the-moscow-vector-a-covert-one-novel.pdf
    • http://www.gorillawalker.com/muckraker-the-scandalous-life-and-times-of-w-t-stead.pdf
    • http://www.gorillawalker.com/kakutogi-barrio-spanish-edition.pdf
    • http://www.gorillawalker.com/climate-change-forced-migration-and-international-law.pdf
    • http://www.gorillawalker.com/ado-net-in-a-nutshell-in-a-nutshell-o-reilly.pdf
    • http://www.gorillawalker.com/hospital-babylon.pdf
    • http://www.gorillawalker.com/befreie-dich-selbst-mehr-selbstbewusstsein-f.pdf
    • http://www.gorillawalker.com/conquerors-in-dub.pdf
    • http://www.gorillawalker.com/music-minus-one-cello-dvorak-violoncello-concerto-in-b-minor.pdf
    • http://www.gorillawalker.com/rubayat-salah-jahin-notice-colloquial-egyptian-arabic-version-arabic-edition.pdf
    • http://www.gorillawalker.com/physical-geology-by-plummer-charles-carlos-carlson-diane-mcgraw-hill.pdf
    • http://www.gorillawalker.com/kinetic-behavior-psychosomatic-normality-and-immunity-current-opinions.pdf
    • http://www.gorillawalker.com/ultimate-history-of-ferrari.pdf
    • http://www.gorillawalker.com/the-great-physician-s-rx-for-irritable-bowel-syndrome-rubin.pdf
    • http://www.gorillawalker.com/walking-in-your-destiny-moving-through-the-fear.pdf
    • http://www.gorillawalker.com/the-onion-ad-nauseam-2004-day-by-day-calendar-complete.pdf
    • http://www.gorillawalker.com/the-new-geo-governance-a-baroque-approach-governance-series.pdf
    • http://www.gorillawalker.com/helsinki-school-the.pdf
    • http://www.gorillawalker.com/re-enchanting-humanity-a-defense-of-the-human-spirit-against.pdf
    • http://www.gorillawalker.com/introducci-n-a-la-psicopatolog-a-y-la-psiquiatr-a.pdf
    • http://www.gorillawalker.com/teeline-gold-speed-ladder.pdf
    • http://www.gorillawalker.com/traditions-of-the-fathers-the-book-of-mormon-as-history.pdf
    • http://www.gorillawalker.com/marvel-zombies-vs-army-of-darkness-tpb.pdf
    • http://www.gorillawalker.com/practical-electronics-for-inventors.pdf
    • http://www.gorillawalker.com/carrie-underwood-big-buddy-biographies.pdf
    • http://www.gorillawalker.com/design-innovations-for-aging-and-alzheimers-2005-publication.pdf
    • http://www.gorillawalker.com/talking-about-freedom-celebrating-emancipation-day-in-canada.pdf
    • http://www.gorillawalker.com/the-world-s-first-stock-exchange-columbia-business-school-publishing.pdf
    • http://www.gorillawalker.com/the-jungle-book-the-second-jungle-book-kindle-edition.pdf
    • http://www.gorillawalker.com/dry-land-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/the-everything-eas
    • 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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