Malicious PDF — malware analysis report

Static analysis result for SHA-256 8102866fe68df75d…

MALICIOUS

PDF

43.6 KB Created: 2018-11-15 18:32:13 +03:00 Authoring application: - (via Acrobat Distiller 4.05 for Windows)
MD5: ec20a0339c16b036601f74f14ebefbc5 SHA-1: f5aa27851bb2d6a871ca31bae2b9431034977e1b SHA-256: 8102866fe68df75da62afbeb9478a06f57d5a03cb3cdbd57b285e7fa461c1813
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 pointing 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 unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9016

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/benny-s-big-bubble-all-aboard-picture-reader.pdf
    • http://www.gorillawalker.com/more-badder-grammar-150-all-new-bloopers-blunders-and-reasons.pdf
    • http://www.gorillawalker.com/embrace-the-twilight-mira.pdf
    • http://www.gorillawalker.com/my-stylebook.pdf
    • http://www.gorillawalker.com/a-little-joy-a-little-oy-2007-day-to-day.pdf
    • http://www.gorillawalker.com/sorrow-s-kitchen-the-life-and-folklore-of-zora-neale.pdf
    • http://www.gorillawalker.com/corfu-travel-guide-sightseeing-hotel-restaurant-shopping-highlights.pdf
    • http://www.gorillawalker.com/sat-ii-physics-rea-the-best-test-prep-for-the.pdf
    • http://www.gorillawalker.com/no-harm-can-come-to-a-good-man.pdf
    • http://www.gorillawalker.com/fish-pies-and-french-fries-vegetables-meat-and-something-sweet.pdf
    • http://www.gorillawalker.com/the-vampire.pdf
    • http://www.gorillawalker.com/2012-2013-official-rules-of-the-nhl.pdf
    • http://www.gorillawalker.com/hepatitis-c-may-be-next-big-virus-expert-says-infectious.pdf
    • http://www.gorillawalker.com/elsevier-adaptive-learning-for-mccurrin-s-clinical-textbook-for-veterinary.pdf
    • http://www.gorillawalker.com/first-animal-sign-book.pdf
    • http://www.gorillawalker.com/first-lessons-in-beekeeping.pdf
    • http://www.gorillawalker.com/what-to-do-on-thursday-a-layman-s-guide-to.pdf
    • http://www.gorillawalker.com/kaiser-walzer-op-437-arrangement-for-theatre-orchestra-keyboard-conductor.pdf
    • http://www.gorillawalker.com/das-europ-ische-investmentrecht-und-das-investmentfondsgesetz-1993-wirtschafts-und.pdf
    • http://www.gorillawalker.com/black-books-galore-guide-to-great-african-american-children-s.pdf
    • http://www.gorillawalker.com/sitting-on-a-file-cabinet-naked-with-a-gun-true.pdf
    • http://www.gorillawalker.com/the-new-green-smoothie-diet-solution-nature-s-fast-lane.pdf
    • http://www.gorillawalker.com/jana-s-journey-book-2-part-1-snapped.pdf
    • http://www.gorillawalker.com/the-community-planning-handbook-how-people-can-shape-their-cities.pdf
    • http://www.gorillawalker.com/chinese-cookery-a-hundred-practical-recipes.pdf
    • http://www.gorillawalker.com/valencia.pdf
    • http://www.gorillawalker.com/laduree-entertaining-recipes-ideas-inspiration.pdf
    • http://www.gorillawalker.com/alan-titchmarsh-favourite-gardens-w.pdf
    • http://www.gorillawalker.com/reengineering-legacy-software-products-into-software-product-line.pdf
    • http://www.gorillawalker.com/bates-college-college-prowler-bates-college-off-the-record.pdf
    • http://www.gorillawalker.com/student-s-solutions-manual-college-algebra-4th-edition.pdf
    • http://www.gorillawalker.com/l-ivresse-de-la-libert-la-r-volution-de-1908.pdf
    • http://www.gorillawalker.com/frankenstein-teaching-resource-pack-classical-comics-teaching-resource-pack.pdf
    • http://www.gorillawalker.com/forsaken-soul-medieval-mysteries.pdf
    • http://www.gorillawalker.com/wanted-assassin-s-edition.pdf
    • http://www.gorillawalker.com/the-scorch-trials-maze-runner-book-2-unabridged-audible-audio.pdf
    • http://www.gorillawalker.com/please-don-t-sit-next-to-me.pdf
    • http://www.gorillawalker.com/the-development-of-x-ray-analysis.pdf
    • http://www.gorillawalker.com/modeling-messages-the-architect-and-the-model.pdf
    • http://www.gorillawalker.com/fabric-remix-repurpose-redecorate-with-simple-sewing-easy-upholstery.pdf
    • http://www.gorillawal
    • 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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