Malicious PDF — malware analysis report

Static analysis result for SHA-256 69fbd27092cf6450…

MALICIOUS

PDF

45.3 KB Created: 2018-12-15 08:53:37 +03:00 Authoring application: Acrobat Distiller 5.0 (Windows) (via Adobe PDF Library 9.9)
MD5: 58d99881aedd1ca11d10b9695d54e34f SHA-1: 47310fa2e2e187582ba8f62db706553e43a6655f SHA-256: 69fbd27092cf6450a7ff08925802a1dcec6b53db055ccdd6f8d7ab7ed217a0b6
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. While the document body is heavily obfuscated, the presence of numerous links to other PDF files suggests an attempt to manipulate search engine rankings or to distribute further malicious content. The ML classifier also flagged this PDF as malicious.

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/101-additional-cliches-of-alcoholics-anonymous.pdf
    • http://www.gorillawalker.com/listen-in-terror-british-horror-radio-from-the-advent-of.pdf
    • http://www.gorillawalker.com/edgard-et-sa-bonne-pi-ce-de-th-tre-comique.pdf
    • http://www.gorillawalker.com/bathroom-book-of-motorcycle-trivia-360-days-worth-of-you.pdf
    • http://www.gorillawalker.com/the-complete-book-of-christian-prayer.pdf
    • http://www.gorillawalker.com/tragedy-of-hamlet-prince-of-denmark.pdf
    • http://www.gorillawalker.com/fornicating-with-futas-futanari-breeding-erotica-bundle.pdf
    • http://www.gorillawalker.com/art-and-advertising.pdf
    • http://www.gorillawalker.com/how-to-tie-dye-stars-book-2-of-the-tie.pdf
    • http://www.gorillawalker.com/pandemonium-towards-a-retro-organization-theory.pdf
    • http://www.gorillawalker.com/the-silence-of-the-hucows.pdf
    • http://www.gorillawalker.com/a-wilderness-of-error-the-trials-of-jeffrey-macdonald.pdf
    • http://www.gorillawalker.com/the-illustrated-history-of-the-countryside.pdf
    • http://www.gorillawalker.com/coach-a-season-with-lombardi.pdf
    • http://www.gorillawalker.com/desarrollando-sus-propios-poderes-psiquicos-developing-your-own-psychic-powers.pdf
    • http://www.gorillawalker.com/psychosis-in-the-elderly.pdf
    • http://www.gorillawalker.com/beyond-l-a-law-stories-of-people-who-ve-done.pdf
    • http://www.gorillawalker.com/from-great-broughton-to-great-britain-peter-gorley-rugby-league.pdf
    • http://www.gorillawalker.com/dk-eyewitness-travel-guide-the-greek-islands.pdf
    • http://www.gorillawalker.com/encyclopedia-of-pieced-quilt-patterns.pdf
    • http://www.gorillawalker.com/houses-of-noir-dark-visions-from-thirteen-film-studios.pdf
    • http://www.gorillawalker.com/pony-stock-mini-stock-race-complete-car-racing-set-up.pdf
    • http://www.gorillawalker.com/batteries-for-electric-vehicles-research-development-testing-and-evaluation-s.pdf
    • http://www.gorillawalker.com/remembering-doctor-lawson-wilkins-a-pioneer-of-pediatric-endocrinology.pdf
    • http://www.gorillawalker.com/the-playdate-kids-island-potty-party-the-playdate-kids-musical.pdf
    • http://www.gorillawalker.com/cerebus-the-barbarian-messiah-essays-on-the-epic-graphic-satire.pdf
    • http://www.gorillawalker.com/the-garden-gate-a-beautifully-illustrated-rhyming-picture-book-for.pdf
    • http://www.gorillawalker.com/the-alkaloids-chemistry-and-physiology-v18-volume-18.pdf
    • http://www.gorillawalker.com/successful-analytics-gain-business-insights-by-managing-google-analytics.pdf
    • http://www.gorillawalker.com/the-design.pdf
    • http://www.gorillawalker.com/la-edad-de-plata-1902-1939-the-silver-age-1902.pdf
    • http://www.gorillawalker.com/elements-of-literature-4th-course-language-handbook-worksheets-grade-10.pdf
    • http://www.gorillawalker.com/cracking-the-ap-world-history-exam-2013-edition-college-test.pdf
    • http://www.gorillawalker.com/the-missing-relationship.pdf
    • http://www.gorillawalker.com/ved-vejen-danish-edition.pdf
    • http://www.gorillawalker.com/learn-html-and-css-with-w3schools.pdf
    • http://www.gorillawalker.com/what-happens-to-your-food-usborne-flip-flaps.pdf
    • http://www.gorillawalker.com/strange-details-writing-architecture.pdf
    • http://www.gorillawalker.com/by-henry-scammell-the-new-arthritis-breakthrough-the-only-medical.pdf
    • http://www.gorillawalker.com/orchid-2014-weekly-calendar-2014-weekly-calendar-with-a-photo.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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