Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd9aa30977322608…

MALICIOUS

PDF

32.8 KB Created: 2019-12-13 17:09:13 +03:00 Authoring application: QuarkXPress¢â: LaserWriter 8 KH-8.7.1 (via Acrobat Distiller 4.05 for Macintosh)
MD5: d7874b9f71c56e7b4829a7040661d715 SHA-1: 3ca32ab4f78bebb544bd7c4c25e1de735e154e59 SHA-256: bd9aa309773226088742755f2aefb7a89caec1b8976ea64b803712668e6ed06f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to external PDF documents, 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.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8529

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/treasures-of-encouragement-women-helping-women-in-the-church.pdf
    • http://www.gorillawalker.com/user-modeling-2007-11th-international-conference-um-2007-corfu-greece.pdf
    • http://www.gorillawalker.com/mortals-rule-rule-series-book-5.pdf
    • http://www.gorillawalker.com/a-as-level-english-literature-b-for-aqa-teacher-s.pdf
    • http://www.gorillawalker.com/amazing-spider-man-the-movie-prelude.pdf
    • http://www.gorillawalker.com/mendel-s-ark-biotechnology-and-the-future-of-extinction.pdf
    • http://www.gorillawalker.com/serious-games-mechanisms-and-effects.pdf
    • http://www.gorillawalker.com/weight-watchers-weight-watchers-simple-start-a-beginner-s-guide.pdf
    • http://www.gorillawalker.com/the-journal-of-corporal-william-todd-1745-1762-publications-of.pdf
    • http://www.gorillawalker.com/research-methods-in-education-an-introduction-9th-edition.pdf
    • http://www.gorillawalker.com/burn-pure-trilogy.pdf
    • http://www.gorillawalker.com/the-astounding-wolf-man-volume-3.pdf
    • http://www.gorillawalker.com/how-to-critique-journal-articles-in-the-social-sciences.pdf
    • http://www.gorillawalker.com/the-philadelphia-orchestra-an-annotated-discography.pdf
    • http://www.gorillawalker.com/tocqueville-in-america.pdf
    • http://www.gorillawalker.com/the-idiot-bantam-classic.pdf
    • http://www.gorillawalker.com/a-strategy-for-assessing-and-managing-occupational-exposures.pdf
    • http://www.gorillawalker.com/long-term-stability-in-orthodontics-the-alexander-discipline-volume-2.pdf
    • http://www.gorillawalker.com/conflict-of-laws-cases-comments-questions.pdf
    • http://www.gorillawalker.com/hong-kong-es-makao.pdf
    • http://www.gorillawalker.com/the-bruce-beckons-revised-and-enlarged-edition.pdf
    • http://www.gorillawalker.com/paul-thek-in-process.pdf
    • http://www.gorillawalker.com/radiopharmaceuticals-chemistry-applied-to-nuclear-medicine-an-article-from-canadian.pdf
    • http://www.gorillawalker.com/strategisches-beschaffungsmanagement-eine-praxisorientierte-einf-hrung-mit-fallstudien-german-edition.pdf
    • http://www.gorillawalker.com/the-wave-watcher-s-companion-from-ocean-waves-to-light.pdf
    • http://www.gorillawalker.com/when-your-life-has-been-tampered-with.pdf
    • http://www.gorillawalker.com/thyroid-resurrection-from-dead-to-dynamic-without-drugs-kindle-edition.pdf
    • http://www.gorillawalker.com/how-to-research-open-up-study-skills.pdf
    • http://www.gorillawalker.com/conceptual-physical-science-books-a-la-carte-plus-masteringphysics-with.pdf
    • http://www.gorillawalker.com/the-c-programming-language-3rd-edition.pdf
    • http://www.gorillawalker.com/dark-hunger-the-dark-carpathian-book-14.pdf
    • http://www.gorillawalker.com/the-little-gi-book-an-easily-digestible-guide-to-understanding.pdf
    • http://www.gorillawalker.com/national-fire-alarm-code-handbookvnfpa-2007-edition-9780877657194.pdf
    • http://www.gorillawalker.com/animal-behavior-mechanisms-ecology-evolution-4th-edition.pdf
    • http://www.gorillawalker.com/neural-networks-for-pattern-recognition-advanced-texts-in-econometrics.pdf
    • http://www.gorillawalker.com/children-held-hostage.pdf
    • http://www.gorillawalker.com/rightshore-successfully-industrialize-sap-projects-offshore.pdf
    • http://www.gorillawalker.com/the-theory-and-practice-of-self-psychology.pdf
    • http://www.gorillawalker.com/autocad-2002-professional-professional-users.pdf
    • http://www.gorillawalker.com/the-singing-line.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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