Malicious PDF — malware analysis report

Static analysis result for SHA-256 e352db0443669c7c…

MALICIOUS

PDF

33.2 KB Created: 2019-12-09 22:01:38 +03:00 Authoring application: Acrobat PDFMaker 8.1 for Word (via Acrobat Distiller 8.1.0 (Windows))
MD5: 04926070bc4682184414f2fba76bf370 SHA-1: 0c591dcf910c3cd064c295c59deca68da7a243ac SHA-256: e352db0443669c7c43b022d69ce469a10c60273dc3e0afe9e797411e9a26dcea
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded links 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, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

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/mathematics-skills-in-content-area.pdf
    • http://www.gorillawalker.com/hiroshima-s-shadow-writings-on-the-denial-of-history-the.pdf
    • http://www.gorillawalker.com/romeo-juliet-a-babylit-counting-primer-babylit-books.pdf
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    • http://www.gorillawalker.com/eleven-came-back.pdf
    • http://www.gorillawalker.com/vegetable-garden-2012-taschen-tear-off-calendars.pdf
    • http://www.gorillawalker.com/chemistry-introducing-inorganic-organic-and-physical-chemistry.pdf
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    • http://www.gorillawalker.com/cyborgs.pdf
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    • http://www.gorillawalker.com/the-prisoner-the-village-files.pdf
    • http://www.gorillawalker.com/t-cnicas-anal-ticas-de-separaci-n-spanish-edition.pdf
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    • http://www.gorillawalker.com/ice-hockey-initiation-coaching-3-to-6-year-olds-kindle.pdf
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    • http://www.gorillawalker.com/vdu-terminal-sickness-computer-health-risks-and-how-to-protect.pdf
    • http://www.gorillawalker.com/the-library-of-the-villa-dei-papiri-at-herculaneum.pdf
    • http://www.gorillawalker.com/been-there-comped-that-free-travel-dining-and-entertainment-all.pdf
    • http://www.gorillawalker.com/star-trek-stellar-cartography-the-starfleet-reference-library.pdf
    • http://www.gorillawalker.com/saint-john-paul-ii-ess-encounter-the-saints-kindle-edition.pdf
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    • http://www.gorillawalker.com/small-talk-discover-topics-tips-and-how-to-effortlessly-connect.pdf
    • http://www.gorillawalker.com/saxon-calculus-teacher-s-edition-solutions-manual-first-edition-1997.pdf
    • http://www.gorillawalker.com/science-and-religion-in-search-of-cosmic-purpose.pdf
    • http://www.gorillawalker.com/the-ladies.pdf
    • http://www.gorillawalker.com/taken-by-two-the-billionaire-s-homecoming.pdf
    • http://www.gorillawalker.com/initiation-ssu-boys-book-1.pdf
    • http://www.gorillawalker.com/cardiac-surgery-operative-and-evolving-technique.pdf
    • http://www.gorillawalker.com/art-therapy-exam-flashcard-study-system-art-therapy-test-practice.pdf
    • http://www.gorillawalker.com/the-lord-and-master.pdf
    • http://www.gorillawalker.com/southern-flavours-the-best-of-south-indian-cuisine.pdf
    • http://www.gorillawalker.com/ghost-of-a-cowboy-a-paranormal-western-erotic-short-story.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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