Malicious PDF — malware analysis report

Static analysis result for SHA-256 b73f8ce0de25fbe8…

MALICIOUS

PDF

36.2 KB Created: 2019-09-08 11:54:05 +03:00 Authoring application: Adobe PageMaker 7.0 (via Acrobat Distiller 5.0.5 for Macintosh)
MD5: 7a3e70fb1125fe046ae85c7fcf7ce418 SHA-1: 4dd3673626ec0c4a0c5501322f670bcf96c20c81 SHA-256: b73f8ce0de25fbe844f2396e30cba51b8a6af5b4fd3ea9cf6b6c7ee1008ff597
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 to external websites, a technique often used for SEO manipulation or to redirect users to malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8218

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/world-english-2e-2-student-book-owb-pac-real-people.pdf
    • http://www.gorillawalker.com/taltos-lives-of-the-mayfair-witches.pdf
    • http://www.gorillawalker.com/geopolitics-development-and-national-security-romania-and-moldova-at-the.pdf
    • http://www.gorillawalker.com/the-complete-learn-to-drive-handbook-for-australia-new-zealand.pdf
    • http://www.gorillawalker.com/dark-secrets-white-lies-kindle-edition.pdf
    • http://www.gorillawalker.com/in-conversation-with-god-meditations-for-each-day-of-the.pdf
    • http://www.gorillawalker.com/eye-to-eye-ashton-ford-psychic-detective-ashton-ford-series.pdf
    • http://www.gorillawalker.com/curious-lives-adventures-from-the-ferret-chronicles.pdf
    • http://www.gorillawalker.com/can-lily-o-shea-come-out-to-play.pdf
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    • http://www.gorillawalker.com/amite-river-and-tributaries-louisiana-east-baton-rouge-parish-watershed.pdf
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    • http://www.gorillawalker.com/charlie-wilson-s-war-abridged-the-extraordinary-story-of-the.pdf
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    • http://www.gorillawalker.com/cranes-blastoff-readers-mighty-machines-blastoff-readers-level-1.pdf
    • http://www.gorillawalker.com/o-love-that-will-not-let-me-go-facing-death.pdf
    • http://www.gorillawalker.com/latinos-in-the-limelight-christina-aguilera-antonio-banderas-jeff-bezos.pdf
    • http://www.gorillawalker.com/the-practice-of-gas-chromatography.pdf
    • http://www.gorillawalker.com/cut-to-the-hot-stuff-kindle-edition.pdf
    • http://www.gorillawalker.com/mcdougal-littell-literature-and-language-level-11-american-literature.pdf
    • http://www.gorillawalker.com/age-of-bronze-vol-3-betrayal-part-1.pdf
    • http://www.gorillawalker.com/south-dakota-classic-christmas-trivia.pdf
    • http://www.gorillawalker.com/shipwrecks-disasters-of-the-deep-seas.pdf
    • http://www.gorillawalker.com/webster-s-new-world-robert-s-rules-of-order-simplified.pdf
    • http://www.gorillawalker.com/romance-seduced-by-my-billionaire-boss-romance-billionaire-romance-contemporary.pdf
    • http://www.gorillawalker.com/stuck-in-the-middle-with-you-a-memoir-of-parenting.pdf
    • http://www.gorillawalker.com/hypermedia-learning-environments-instructional-design-and-integration.pdf
    • http://www.gorillawalker.com/travellers-guide-to-east-africa-including-ethiopia-and-mauritius-a.pdf
    • http://www.gorillawalker.com/hallelujah-40-more-great-songs-e-z-play-today-volume.pdf
    • http://www.gorillawalker.com/the-papers-of-george-washington-april-november-1756-colonial-series.pdf
    • http://www.gorillawalker.com/public-administration-and-information-technology.pdf
    • http://www.gorillawalker.com/claymore-vol-27.pdf
    • http://www.gorillawalker.com/journal-of-american-academy-of-child-adolescent-psychiatry-vol-43.pdf
    • http://www.gorillawalker.com/as-the-poppies-bloomed-a-novel-of-love-in-a.pdf
    • http://www.gorillawalker.com/the-playbill-broadway-yearbook-june-1-2004-may-31-2005.pdf
    • http://www.gorillawalker.com/the-concept-of-first-philosophy-and-the-unity-of-the.pdf
    • http://www.gorillawalker.com/foundations-of-nursing-in-the-community-community-oriented-practice-3th.pdf
    • http://www.gorillawalker.com/the-encyclopedia-of-twentieth-century-fiction.pdf
    • http://www.gorillawalker.com/ren-lalique-enchanted-by-glass.pdf
    • http://www.gorillawalker.com/amite-river-and
    • 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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