Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0f1f285109d147c…

MALICIOUS

PDF

44.4 KB Created: 2019-04-11 16:13:42 +03:00 Authoring application: DocBook XSL Stylesheets with Apache FOP (via Apache FOP Version 1.1)
MD5: 8232f3b583e5f41e6770b3d1603b812b SHA-1: 33243c5e950215402c75e07abd5811ba9057bd1c SHA-256: f0f1f285109d147c04e47f208462733b4bd91ef7600c260156c028e69788f13a
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF was flagged by a machine learning classifier and contains a large number of embedded external links, indicating a potential SEO manipulation or content distribution scheme. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this pattern, suggesting the document's primary purpose is to host these links. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9171

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/legends-of-american-dance-and-choreography-collective-biographies.pdf
    • http://www.gorillawalker.com/harcourt-science-workbook-grade-5-units-a-f.pdf
    • http://www.gorillawalker.com/a-spectrum-of-voices-prominent-american-voice-teachers-discuss-the.pdf
    • http://www.gorillawalker.com/the-official-abms-directory-of-board-certified-medical-specialists-4.pdf
    • http://www.gorillawalker.com/where-the-wild-rose-blooms-rocky-mountain-memories-1.pdf
    • http://www.gorillawalker.com/regeneration-species-imperative-3.pdf
    • http://www.gorillawalker.com/oecd-compendium-of-productivity-indicators-2013.pdf
    • http://www.gorillawalker.com/fighting-ships-of-the-far-east-vol-1-china-and.pdf
    • http://www.gorillawalker.com/legal-reasoning-and-legal-writing-structure-strategy-and-style-6th.pdf
    • http://www.gorillawalker.com/shipwrecks-north-of-boston-vol-1-salem-bay.pdf
    • http://www.gorillawalker.com/child-of-the-owl.pdf
    • http://www.gorillawalker.com/fodor-s-arizona-the-grand-canyon-2014-full-color-travel.pdf
    • http://www.gorillawalker.com/inside-microsoft-sql-server-2008-t-sql-programming-developer-reference.pdf
    • http://www.gorillawalker.com/pearson-s-canal-companion-oxford-grand-union-and-nene.pdf
    • http://www.gorillawalker.com/one-among-men-the-maryland-state-university-series-book-1.pdf
    • http://www.gorillawalker.com/las-genealog-as-alfaguara-spanish-edition.pdf
    • http://www.gorillawalker.com/bought-with-blood-the-divine-exchange-at-the-cross.pdf
    • http://www.gorillawalker.com/american-photography-and-the-american-dream-cultural-studies-of-the.pdf
    • http://www.gorillawalker.com/tackling-dad.pdf
    • http://www.gorillawalker.com/fault-and-joint-development-in-brittle-and-semi-brittle-rock.pdf
    • http://www.gorillawalker.com/algebra-and-trigonometry-functions-and-applications-teacher-s-edition.pdf
    • http://www.gorillawalker.com/jeremiah-and-lamentations-redesign-from-sorrow-to-hope-preaching-the.pdf
    • http://www.gorillawalker.com/bloody-right.pdf
    • http://www.gorillawalker.com/seychelles-french-edition-globetrotter-travel-guide.pdf
    • http://www.gorillawalker.com/understanding-the-main-idea-advanced-level-comprehension-skills-series.pdf
    • http://www.gorillawalker.com/keaton-s-lessons-brac-village-6-siren-publishing-everlasting-classic.pdf
    • http://www.gorillawalker.com/the-organic-nanny-s-guide-to-raising-healthy-kids-how.pdf
    • http://www.gorillawalker.com/tangled-3-hello-gorgeous.pdf
    • http://www.gorillawalker.com/acts-of-compassion-an-alternative-break-challenge-journal-for-students.pdf
    • http://www.gorillawalker.com/western-new-york-amusement-parks-images-of-america-series.pdf
    • http://www.gorillawalker.com/mono-divide-high-country-trail-map-tom-harrison-maps.pdf
    • http://www.gorillawalker.com/a-love-to-remember-2.pdf
    • http://www.gorillawalker.com/hairbrained.pdf
    • http://www.gorillawalker.com/the-best-of-buffalo-springfield-retrospective.pdf
    • http://www.gorillawalker.com/kid-s-guitar-course-book-1-book-and-enhanced-cd.pdf
    • http://www.gorillawalker.com/mascagni-cavalleria-rusticana-mamma-quelvino-e-generoso-turiddu-tenor-instantly.pdf
    • http://www.gorillawalker.com/a-coloring-book-of-ancient-africa.pdf
    • http://www.gorillawalker.com/the-advanced-pistol-marksmanship-instructor-s-manual.pdf
    • http://www.gorillawalker.com/the-rubber-stamper-magazine-september-october-1999-for-rubber-stamp.pdf
    • http://www.gorillawalker.com/constitution-and-by-laws-for-the-everlasting-gospel-institute-church.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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