Malicious PDF — malware analysis report

Static analysis result for SHA-256 e46e9aa5fb17860d…

MALICIOUS

PDF

42.8 KB Created: 2018-11-30 20:02:35 +03:00 Authoring application: FineReader (via -)
MD5: ccd4741a0861abf047a8f6070bd3e119 SHA-1: d9d551f432f7de4ed2259e008b4f4cee140acdd2 SHA-256: e46e9aa5fb17860d6c9b806555725c67040069ab0ff9e635cf504cf006c71bf5
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. This suggests a tactic to drive traffic to numerous websites, likely for SEO manipulation or to host malicious content. The ML classifier also flagged the PDF as malicious with high confidence. No scripts were extracted, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

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-entertainer-and-the-dybbuk.pdf
    • http://www.gorillawalker.com/wide-open-strebor-on-the-streets.pdf
    • http://www.gorillawalker.com/frames-bases-and-group-representations-memoirs-of-the-american-mathematical.pdf
    • http://www.gorillawalker.com/introductory-business-law-clep-test-study-guide-pass-your-class.pdf
    • http://www.gorillawalker.com/differential-geometric-methods-in-mathematical-physics-mathematical-physics-studies-6.pdf
    • http://www.gorillawalker.com/national-geographic-prehistoric-mammals.pdf
    • http://www.gorillawalker.com/kidnapped-nightmare-hall-kindle-edition.pdf
    • http://www.gorillawalker.com/trashy-novel-book-1.pdf
    • http://www.gorillawalker.com/beethoven-s-symphonies-an-artistic-vision.pdf
    • http://www.gorillawalker.com/promise-and-peril-america-at-the-dawn-of-a-global.pdf
    • http://www.gorillawalker.com/home-of-the-braves.pdf
    • http://www.gorillawalker.com/i-ve-seen-a-lot-of-famous-people-naked-and.pdf
    • http://www.gorillawalker.com/genealogical-and-personal-memoirs-relating-to-the-families-of-boston.pdf
    • http://www.gorillawalker.com/2012-revision-of-the-medical-licensing-examination-outline-clinical-practice.pdf
    • http://www.gorillawalker.com/eu-procurement-legal-precedents-and-their-impact.pdf
    • http://www.gorillawalker.com/the-romantic-spirit-bk-2-book-cd-spirit-series.pdf
    • http://www.gorillawalker.com/democracy-the-god-that-failed-the-economics-and-politics-of.pdf
    • http://www.gorillawalker.com/diy-financial-advisor-a-simple-solution-to-build-and-protect.pdf
    • http://www.gorillawalker.com/feeling-great-at-88.pdf
    • http://www.gorillawalker.com/the-peculiar-character-of-anglicanism.pdf
    • http://www.gorillawalker.com/managerial-uses-of-accounting-information-springer-series-in-accounting-scholarship.pdf
    • http://www.gorillawalker.com/fundamentals-of-musculoskeletal-ultrasound-2e-fundamentals-of-radiology.pdf
    • http://www.gorillawalker.com/designing-positive-behavior-support-plans-innovations.pdf
    • http://www.gorillawalker.com/austria-vienna-1561-theatrum-orbis-terrarum-series-of-atlases-in.pdf
    • http://www.gorillawalker.com/the-fundamentals-of-literacy-coaching.pdf
    • http://www.gorillawalker.com/narrative-of-an-expedition-to-explore-the-river-zaire-usually.pdf
    • http://www.gorillawalker.com/mycomedicinals-an-informational-treatise-on-mushrooms.pdf
    • http://www.gorillawalker.com/nobody-does-it-better-why-french-home-cooking-is-still.pdf
    • http://www.gorillawalker.com/occultations-for-probing-atmosphere-and-climate.pdf
    • http://www.gorillawalker.com/skateboard-roadmap.pdf
    • http://www.gorillawalker.com/the-rescue-helicopter-story-book.pdf
    • http://www.gorillawalker.com/older-persons-in-emergencies-an-active-ageing-perspective-nonserial-publication.pdf
    • http://www.gorillawalker.com/destruction-and-reconstruction-personal-experiences-of-the-late-war.pdf
    • http://www.gorillawalker.com/water-resources.pdf
    • http://www.gorillawalker.com/here-s-how-to-treat-childhood-apraxia-of-speech-here.pdf
    • http://www.gorillawalker.com/an-invitation-to-3-d-vision-from-images-to-geometric.pdf
    • http://www.gorillawalker.com/is-it-just-me-or-is-everyone-a-little-nuts.pdf
    • http://www.gorillawalker.com/codenotes-for-j2ee-ejb-jdbc-jsp-and-servlets-kindle-edition.pdf
    • http://www.gorillawalker.com/egyptian-myths-myths-legends.pdf
    • http://www.gorillawalker.com/arizona-cardinals-2015-calendar.pdf
    • http://www.gorillawalker.com/national-geogra
    • 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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