Malicious PDF — malware analysis report

Static analysis result for SHA-256 10ee8fb61f841b93…

MALICIOUS

PDF

45.5 KB Created: 2018-12-14 21:11:12 +03:00 Authoring application: LaTeX with hyperref package (via xdvipdfmx (0.7.8))
MD5: 6a17e4e1ccafea19417c7f669b3bd64f SHA-1: 22d546e427fd48136cc42cd55625bd00d1769f20 SHA-256: 10ee8fb61f841b938cf75938143ed415596720c8ea3bf0e6e0bd77cf9de3c092
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by a machine learning classifier and contains a significant number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. The embedded URLs point to various book titles on the 'gorillawalker.com' domain. While the document body is heavily obfuscated, the presence of numerous external links suggests an attempt to manipulate search engine results or redirect users to potentially malicious content hosted on these external sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8389

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/running-and-philosophy-a-marathon-for-the-mind.pdf
    • http://www.gorillawalker.com/the-brain-in-love-12-lessons-to-enhance-your-love.pdf
    • http://www.gorillawalker.com/chasing-the-wild.pdf
    • http://www.gorillawalker.com/yes-i-will-i-do-your-step-by-step-guide.pdf
    • http://www.gorillawalker.com/raw-fish-and-red-pepper-five-months-in-a-japanese.pdf
    • http://www.gorillawalker.com/off-camera-flash-techniques-for-digital-photographers.pdf
    • http://www.gorillawalker.com/digital-signal-processing-4th-edition.pdf
    • http://www.gorillawalker.com/by-jason-blume-six-steps-to-songwriting-success-revised-edition.pdf
    • http://www.gorillawalker.com/the-hound-of-the-baskervilles-turtleback-school-library-binding-edition.pdf
    • http://www.gorillawalker.com/set-up-your-own-limited-company-in-hong-kong-kindle.pdf
    • http://www.gorillawalker.com/pharmaceutical-production-facilities-design-and-applications-pharmaceutical-science-series.pdf
    • http://www.gorillawalker.com/field-manual-fm-5-19-composite-risk-management-august-2006.pdf
    • http://www.gorillawalker.com/christmas-bizarre-2-mina-kitchen-cozy-mystery-book-comedy-capers.pdf
    • http://www.gorillawalker.com/oral-surgery-oral-medicine-oral-pathology-with-sections-on-endodontics.pdf
    • http://www.gorillawalker.com/an-album-of-great-science-fiction-films.pdf
    • http://www.gorillawalker.com/bird-hand-made-habitats.pdf
    • http://www.gorillawalker.com/the-ace-fitness-and-business-forms-handbook-kindle-edition.pdf
    • http://www.gorillawalker.com/subarachnoid-haemorrhage-aneurysms-and-vascular-malformation-of-the-central-nervous.pdf
    • http://www.gorillawalker.com/helldorado-bringing-the-law-to-the-mesquite-the-lakeside-classics.pdf
    • http://www.gorillawalker.com/african-american-religion-and-the-civil-rights-movement-in-arkansas.pdf
    • http://www.gorillawalker.com/the-scramble-for-africa-white-man-s-conquest-of-the.pdf
    • http://www.gorillawalker.com/building-for-the-lawn-and-garden.pdf
    • http://www.gorillawalker.com/felix-mendelssohn-bartholdy-symphony-no-3-in-a-minor-scotch.pdf
    • http://www.gorillawalker.com/introduction-to-thermo-fluids-systems-design.pdf
    • http://www.gorillawalker.com/the-folklore-of-trees-and-shrubs.pdf
    • http://www.gorillawalker.com/this-is-a-souvenir-the-songs-of-spearmint-shirley-lee.pdf
    • http://www.gorillawalker.com/guide-to-florida-fruit-vegetable-gardening-fruit-vegetable-gardening-guides.pdf
    • http://www.gorillawalker.com/idaho-state-parks-guidebook.pdf
    • http://www.gorillawalker.com/teen-secrets-to-surviving-thriving.pdf
    • http://www.gorillawalker.com/killer-weakness-an-orca-shifter-fantasy-kindle-edition.pdf
    • http://www.gorillawalker.com/innovation-as-usual-how-to-help-your-people-bring-great.pdf
    • http://www.gorillawalker.com/charlie-parker-black-amer-black-americans-of-achievement.pdf
    • http://www.gorillawalker.com/indian-english-drama-a-critical-study.pdf
    • http://www.gorillawalker.com/make-mentoring-work.pdf
    • http://www.gorillawalker.com/american-pentimento-the-invention-of-indians-and-the-pursuit-of.pdf
    • http://www.gorillawalker.com/covet-clann.pdf
    • http://www.gorillawalker.com/pathophysiology-the-biologic-basis-for-disease-in-adults-and-children.pdf
    • http://www.gorillawalker.com/ford-probe-aftermarket-exhaust-installation.pdf
    • http://www.gorillawalker.com/cambridge-english-empower-pre-intermediate-teacher-s-book.pdf
    • http://www.gorillawalker.com/ancient-word-of-god-kjv-only-or-not.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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