Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee0b4ee9d5198c0b…

MALICIOUS

PDF

46.6 KB Created: 2018-11-26 20:12:22 +03:00 Authoring application: Arbortext 5.4 (via PDFlib+PDI 7.0.4 (Win32))
MD5: b2777fadfa9508d14d7d80ef6ea179fb SHA-1: 7d12cce48914d2010481bd81c8477c4e2b426d98 SHA-256: ee0b4ee9d5198c0b8315511748edf5073fcc55f0d78ac47c87303c29bc93fa69
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links pointing to external PDF files, primarily hosted on www.gorillawalker.com. This behavior is indicative of a link farm or SEO manipulation tactic. The ML classifier also flagged this PDF as malicious. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8263

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/white-virgin-black-man-wwbm-interracial-erotica.pdf
    • http://www.gorillawalker.com/the-vernon-duke-songbook-vol-1-piano-vocal.pdf
    • http://www.gorillawalker.com/blake-shelton-country-singer-tv-personality-contemporary-lives.pdf
    • http://www.gorillawalker.com/the-responsible-company-what-we-ve-learned-from-patagonia-s.pdf
    • http://www.gorillawalker.com/the-gospel-of-wealth-and-other-timely-essays-classic-reprint.pdf
    • http://www.gorillawalker.com/spies-lies-naked-thighs-mills-boon-spice.pdf
    • http://www.gorillawalker.com/styles-for-the-jazz-pianist-book-two-harmonic-school-part.pdf
    • http://www.gorillawalker.com/herpes-simplex-an-entry-from-thomson-gale-s-gale-encyclopedia.pdf
    • http://www.gorillawalker.com/8-nocturnes-hob-ii-25-32-notturno-in-c-major.pdf
    • http://www.gorillawalker.com/infection-prevention-and-control.pdf
    • http://www.gorillawalker.com/generation-identity.pdf
    • http://www.gorillawalker.com/epilepsy-the-essential-guide-to-natural-pet-care-paperback.pdf
    • http://www.gorillawalker.com/official-the-muppets-calendar-2007.pdf
    • http://www.gorillawalker.com/la-jud-a-de-toledo.pdf
    • http://www.gorillawalker.com/new-frontier-of-love-american-wilderness-series-romance-volume-2.pdf
    • http://www.gorillawalker.com/first-summer-institute-session-of-inter-american-seminar-on-economics.pdf
    • http://www.gorillawalker.com/teenage-mutant-ninja-turtles-annual-2014.pdf
    • http://www.gorillawalker.com/what-goes-around-two-books-in-one-cracked-up-to.pdf
    • http://www.gorillawalker.com/metallica-master-of-puppets-guitar-vocal-with-tablature.pdf
    • http://www.gorillawalker.com/existential-psychotherapy.pdf
    • http://www.gorillawalker.com/all-about-acrylics-a-complete-guide-to-painting-using-this.pdf
    • http://www.gorillawalker.com/on-the-chocolate-trail-a-delicious-adventure-connecting-jews-religions.pdf
    • http://www.gorillawalker.com/fourth-grade-science-for-home-school-or-extra-practice.pdf
    • http://www.gorillawalker.com/fairest-an-unfortunate-fairy-tale-book-2-unabridged-audible-audio.pdf
    • http://www.gorillawalker.com/analysis-of-modern-paints-research-in-conservation.pdf
    • http://www.gorillawalker.com/skin-cancer-risk-persists-over-time-in-puva-treated-psoriasis.pdf
    • http://www.gorillawalker.com/the-academic-hymnal-a-collection-of-hymns-and-chants-with.pdf
    • http://www.gorillawalker.com/crown-green-bowls-skills-of-the-game-the-skills-of.pdf
    • http://www.gorillawalker.com/everyday-blessings-inner-work-of-mindful-parenting.pdf
    • http://www.gorillawalker.com/star-trek-enterprise-rise-of-the-federation-tower-of-babel.pdf
    • http://www.gorillawalker.com/alexander-hamilton-american-statesman-famous-people-in-american-history.pdf
    • http://www.gorillawalker.com/the-vulnerable-planet-a-short-economic-history-of-the-environment.pdf
    • http://www.gorillawalker.com/targeting-immigrants-government-technology-and-ethics.pdf
    • http://www.gorillawalker.com/mighty-magnets.pdf
    • http://www.gorillawalker.com/abnormal-psychology-loose-leaf-with-diagnostic-statistical-manual-update.pdf
    • http://www.gorillawalker.com/mathieu-mercier-everything-but-the-kitchen-sink.pdf
    • http://www.gorillawalker.com/hucow-express-book-1-5-bundle-of-cream.pdf
    • http://www.gorillawalker.com/schaum-s-outline-of-trigonometry-5th-edition-schaum-s-outline.pdf
    • http://www.gorillawalker.com/michelin-neos-guide-reunion-maurice-seychelles-1e.pdf
    • http://www.gorillawalker.com/where-there-s-smoke-a-short-story.pdf
    • http://www.gorillawalker.com/the-gospel-of-wealth-and-other-timely-essays-classi
    • 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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