Malicious PDF — malware analysis report

Static analysis result for SHA-256 b06f11df5994b45e…

MALICIOUS

PDF

42.1 KB Created: 2018-11-15 18:33:55 +03:00 Authoring application: Adobe PageMaker 6.52 (via Acrobat Distiller 3.01 for Windows)
MD5: 7d3a47116f5702edebb790eabe26e863 SHA-1: c343cafc34b6fe1cde0afa41d5830c60a1730407 SHA-256: b06f11df5994b45e7f267b9c10ba2557212cc75da8572f056b499c6e2b890b1e
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, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was heavily obfuscated, making it difficult to determine the exact user-facing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9027

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/we-ve-got-to-stop-meeting-like-this.pdf
    • http://www.gorillawalker.com/renunciation-as-a-tragic-focus-a-study-of-five-plays.pdf
    • http://www.gorillawalker.com/model-rules-of-professional-conduct.pdf
    • http://www.gorillawalker.com/cocaine-gunplay-love.pdf
    • http://www.gorillawalker.com/portugal-lisboa-porto-faro-e-arredores.pdf
    • http://www.gorillawalker.com/environmental-issues-and-solutions-a-modular-approach-explore-our-new.pdf
    • http://www.gorillawalker.com/bp-portrait-award-2014.pdf
    • http://www.gorillawalker.com/gerontology-an-interactive-text.pdf
    • http://www.gorillawalker.com/handmade-craft-projects-for-the-home-160-fun-creative-and.pdf
    • http://www.gorillawalker.com/the-blue-part-4-a-post-apocalyptic-story-kindle-edition.pdf
    • http://www.gorillawalker.com/jerusalem-world-cities.pdf
    • http://www.gorillawalker.com/the-art-of-city-making-paperback-common.pdf
    • http://www.gorillawalker.com/the-mediterranean-diet-guide-cookbook-a-mediterranean-diet-plan-for.pdf
    • http://www.gorillawalker.com/emotions-freedom-from-anger-jealousy-and-fear.pdf
    • http://www.gorillawalker.com/writing-the-romantic-comedy-the-art-and-craft-of-writing.pdf
    • http://www.gorillawalker.com/cooking-for-your-vegetarian-kids.pdf
    • http://www.gorillawalker.com/beyond-therapy-igniting-life-focus-community-movements.pdf
    • http://www.gorillawalker.com/sammy-s-fantastic-journeys-with-the-early-heroes-of-the.pdf
    • http://www.gorillawalker.com/black-market-billions-how-organized-retail-crime-funds-global-terrorists.pdf
    • http://www.gorillawalker.com/single-molecule-science-physical-principles-and-models.pdf
    • http://www.gorillawalker.com/art-of-recording.pdf
    • http://www.gorillawalker.com/dr-atkins-quick-easy-new-diet-cookbook-companion-to-dr.pdf
    • http://www.gorillawalker.com/the-wrath-of-capital-neoliberalism-and-climate-change-politics-new.pdf
    • http://www.gorillawalker.com/ganar-al-poker-en-microl-mites-spanish-edition.pdf
    • http://www.gorillawalker.com/whimsically-grotesque-selected-writings-of-lafcadio-hearn-in-the-cincinnati.pdf
    • http://www.gorillawalker.com/writing-today-books-a-la-carte-edition-plus-revel-access.pdf
    • http://www.gorillawalker.com/pdr-42-edition-1988-physicians-desk-reference.pdf
    • http://www.gorillawalker.com/sale-of-goods-and-consumer-credit-in-practice-1999-inns.pdf
    • http://www.gorillawalker.com/the-importance-of-series-frank-sinatra.pdf
    • http://www.gorillawalker.com/study-guide-for-daniel-terrell-s-business-statistics-for-management.pdf
    • http://www.gorillawalker.com/underwater-engineering.pdf
    • http://www.gorillawalker.com/encyclopedia-of-animal-behavior-vol-1-a-c.pdf
    • http://www.gorillawalker.com/essentials-of-sociology.pdf
    • http://www.gorillawalker.com/yorkipoos-2016-calendar.pdf
    • http://www.gorillawalker.com/cost-managerial-accounting-exam-questions-and-explanations.pdf
    • http://www.gorillawalker.com/hypnosis-a-brief-history.pdf
    • http://www.gorillawalker.com/the-flight-of-the-pterosaurs-a-pop-up-book.pdf
    • http://www.gorillawalker.com/rambles-through-my-library.pdf
    • http://www.gorillawalker.com/fluorine-in-heterocyclic-chemistry-volume-2-6-membered-heterocycles.pdf
    • http://www.gorillawalker.com/bret-hart-pro-wrestling-legends.pdf
    • http://www.gorillawalker.com/h
    • 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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