Malicious PDF — malware analysis report

Static analysis result for SHA-256 fea73ad32452cf71…

MALICIOUS

PDF

32.8 KB Created: 2019-12-13 01:02:13 +03:00 Authoring application: Microsoft® Office Word 2007
MD5: a1db0a1dcfebc6161008ddcbf6680c15 SHA-1: 1d5afa08f321faf0469d3b5398dcb41eeea4baf6 SHA-256: fea73ad32452cf7188b20fce27af68cc4886f72cc67984745f21645dfe7ff9e2
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links pointing to external PDF files, a technique often used for SEO poisoning 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, preventing a deeper analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8488

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/touring-in-wine-country-bordeaux.pdf
    • http://www.gorillawalker.com/que-le-pasa-a-timmy.pdf
    • http://www.gorillawalker.com/design-of-analog-filters.pdf
    • http://www.gorillawalker.com/my-other-ex-women-s-true-stories-of-losing-and.pdf
    • http://www.gorillawalker.com/what-my-daughter-wore.pdf
    • http://www.gorillawalker.com/linguaforum-toefl-ibt-test-book-1-2-complete-practice-tests.pdf
    • http://www.gorillawalker.com/hal-leonard-ukulele-play-along-vol-6-lennon-mccartney-bk.pdf
    • http://www.gorillawalker.com/little-black-classics-as-kingfishers-catch-fire.pdf
    • http://www.gorillawalker.com/first-across-the-u-s-navy-s-transatlantic-flight-of.pdf
    • http://www.gorillawalker.com/c-gems-programming-pearls-from-the-c-report-sigs-reference.pdf
    • http://www.gorillawalker.com/conversations-with-god-an-uncommon-dialogue-book-2-unabridged-audible.pdf
    • http://www.gorillawalker.com/shah-abbas-the-king-who-refashioned-iran-makers-of-the.pdf
    • http://www.gorillawalker.com/antwerp-in-the-age-of-reformation-underground-protestantism-in-a.pdf
    • http://www.gorillawalker.com/learning-masonic-ritual-the-simple-systematic-and-successful-way-to.pdf
    • http://www.gorillawalker.com/margaret-fulton-s-book-of-indian-cooking.pdf
    • http://www.gorillawalker.com/defining-dress-dress-as-object-meaning-and-identity-studies-in.pdf
    • http://www.gorillawalker.com/ethical-considerations-in-educating-children-who-are-deaf-or-hard.pdf
    • http://www.gorillawalker.com/making-sense-of-intractable-environmental-conflicts-concepts-and-cases.pdf
    • http://www.gorillawalker.com/from-the-front-lines-student-cases-in-social-work-ethics.pdf
    • http://www.gorillawalker.com/jonathan-edwards-as-contemporary-essays-in-honor-of-sang-hyun.pdf
    • http://www.gorillawalker.com/sunstart-readers-on-the-beach.pdf
    • http://www.gorillawalker.com/henry-and-june-from-a-journal-of-love-the-unexpurgated.pdf
    • http://www.gorillawalker.com/reformed-dogmatics-vol-2-god-and-creation.pdf
    • http://www.gorillawalker.com/following-fabian-shrew-company-book-4-kindle-edition.pdf
    • http://www.gorillawalker.com/burial-of-the-dead-together-with-the-ministration-at-the.pdf
    • http://www.gorillawalker.com/the-moments-the-minutes-the-hours-the-poetry-of-jill.pdf
    • http://www.gorillawalker.com/here-s-yer-mule-the-diary-of-thos-c-smith.pdf
    • http://www.gorillawalker.com/character-the-ultimate-success-factor.pdf
    • http://www.gorillawalker.com/love-and-math-the-heart-of-hidden-reality.pdf
    • http://www.gorillawalker.com/minecraft-flash-and-bones-and-the-empty-tomb-of-hero.pdf
    • http://www.gorillawalker.com/impresario-the-life-and-times-of-ed-sullivan.pdf
    • http://www.gorillawalker.com/algebras-of-sets-and-combinatorics-translations-of-mathematical-monographs.pdf
    • http://www.gorillawalker.com/mountain-light-golden-mountain-chronicles.pdf
    • http://www.gorillawalker.com/frenchie-s-grease-scrapbook.pdf
    • http://www.gorillawalker.com/principles-of-aircraft-propulsion-machinery-pitman-aeronautical-publications-aeronautical-engineering.pdf
    • http://www.gorillawalker.com/i-remain-in-darkness.pdf
    • http://www.gorillawalker.com/aquila-catturata-in-una-stanza-di-albergo-in-austria-il.pdf
    • http://www.gorillawalker.com/consultancy-and-innovation-the-business-service-revolution-in-europe.pdf
    • http://www.gorillawalker.com/grieving-the-loss-of-someone-you-love-daily-meditations-to.pdf
    • http://www.gorillawalker.com/nixon-and-kissinger-partners-in-power.pdf
    • http://www.gorillawalker.com/margaret-fulton-s-book-of
    • 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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