Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b3054940cad5dce…

MALICIOUS

PDF

43.7 KB Created: 2018-12-02 10:56:33 +03:00 Authoring application: Adobe InDesign CS6 (Macintosh) (via Adobe PDF Library 10.0.1)
MD5: ffea0092005ad198136681e87d570db4 SHA-1: b1e7f7743bf0318edc9589d31f4e350bc05607a3 SHA-256: 7b3054940cad5dce9cdc063bea8ccd81fbc834be38f8428b7420f5d7f2369ad8
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the 'PDF_SEO_LINK_FARM' heuristic. While no malicious script was directly extracted, the sheer volume of links to external PDFs suggests an attempt to manipulate search engine results or redirect users to potentially malicious content. The ML classifier also flagged the document as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9171

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/mosby-s-comprehensive-review-of-dental-hygiene-with-cdrom-mosbys.pdf
    • http://www.gorillawalker.com/scrapbooking-for-dummies.pdf
    • http://www.gorillawalker.com/las-primeras-cocinas-de-am-rica-tezontle-spanish-edition.pdf
    • http://www.gorillawalker.com/from-neuron-to-brain-fifth-edition.pdf
    • http://www.gorillawalker.com/definition-and-rule-in-legal-theory-a-reassessment-of-h.pdf
    • http://www.gorillawalker.com/python-3-object-oriented-programming-second-edition.pdf
    • http://www.gorillawalker.com/days-of-my-years.pdf
    • http://www.gorillawalker.com/cuisiner-au-quotidien-avec-weight-watchers.pdf
    • http://www.gorillawalker.com/time-zones-2b-combo-split-2b-olwb-pac.pdf
    • http://www.gorillawalker.com/introduction-to-liquid-crystals.pdf
    • http://www.gorillawalker.com/el-nuevo-para.pdf
    • http://www.gorillawalker.com/most-commons-in-pathology-and-laboratory-medicine-1e.pdf
    • http://www.gorillawalker.com/friend-living-series-of-housewife-at-a-glance-measure-of.pdf
    • http://www.gorillawalker.com/mary-baker-eddy-s-lessons-of-the-seventh-day.pdf
    • http://www.gorillawalker.com/the-labour-companion-for-a-better-birth-experience-natal-hypnotherapy.pdf
    • http://www.gorillawalker.com/clinician-s-guide-to-laboratory-medicine-clinicians-guide-series.pdf
    • http://www.gorillawalker.com/the-sonnets-triumphs-and-other-poems-of-petrarch-primary-source.pdf
    • http://www.gorillawalker.com/acrylic-painting-for-dummies-by-pitcher-colette-for-dummies-2009.pdf
    • http://www.gorillawalker.com/multiculturalism-and-democracy-in-north-africa-aftermath-of-the-arab.pdf
    • http://www.gorillawalker.com/marihuana-the-forbidden-medicine.pdf
    • http://www.gorillawalker.com/us-army-special-forces-technical-manual-tm-9-1220-238.pdf
    • http://www.gorillawalker.com/the-pmz-way-strategies-of-highly-successful-real-estate-agents.pdf
    • http://www.gorillawalker.com/destiny-calls-the-order-of-vampyres-3-siren-publishing-classic.pdf
    • http://www.gorillawalker.com/gagnez-au-loto-la-loter-ou-aux-jeux-de-pronostics.pdf
    • http://www.gorillawalker.com/mothers-tell-your-daughters-stories.pdf
    • http://www.gorillawalker.com/the-philby-conspiracy.pdf
    • http://www.gorillawalker.com/shaftesbury-cranbourne-chase-poole-wimbourne-minster-and-blandford-os-explorer.pdf
    • http://www.gorillawalker.com/learning-german-through-storytelling-mord-am-morgen-a-detective-story.pdf
    • http://www.gorillawalker.com/8-ways-to-say-i-love-my-life.pdf
    • http://www.gorillawalker.com/instant-pick-3-success-kindle-edition.pdf
    • http://www.gorillawalker.com/automotive-understanding-and-use-of-ordinary-vocational-education-planning-materials.pdf
    • http://www.gorillawalker.com/michelin-map-france-isre-savoie-333-maps-local-michelin-english.pdf
    • http://www.gorillawalker.com/after-the-event-ate-volume-1.pdf
    • http://www.gorillawalker.com/canadian-commercial-policy.pdf
    • http://www.gorillawalker.com/the-jesuits-1534-1921-a-history-of-the-society-of.pdf
    • http://www.gorillawalker.com/blues-rock-guitar-u-s-to-u-k-book-cassette.pdf
    • http://www.gorillawalker.com/introduction-to-symbolic-logic-2nd-edition.pdf
    • http://www.gorillawalker.com/advanced-treatise-on-physical-chemistry-volume-5-molecular-spectra-and.pdf
    • http://www.gorillawalker.com/turning-to-god-lifewords-kindle-edition.pdf
    • http://www.gorillawalker.com/songs-of-the-1960s-trumpet-60s-sixties-decade-the-decade.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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