Malicious PDF — malware analysis report

Static analysis result for SHA-256 bedadd1c1eed7350…

MALICIOUS

PDF

43.8 KB Created: 2018-12-03 17:09:43 +03:00 Authoring application: Adobe Illustrator CS3 (via Adobe PDF library 8.00)
MD5: 70e851bb30c8cb0fc089e241da4dffbe SHA-1: 01b51eb86f53a2348d3eb9ab39e27edb0edc0c7f SHA-256: bedadd1c1eed73505153d568b4f1f642fee1b8307264bad05a89b8106b95ca78
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded URLs pointing to external websites, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the sheer volume of links suggests an attempt to manipulate search engine results or redirect users to potentially malicious content hosted on the linked domains.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8683

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/destined-for-an-early-grave-night-huntress-book-4-unabridged.pdf
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    • http://www.gorillawalker.com/the-long-hunt-the-strongbow-saga-book-4-kindle-edition.pdf
    • http://www.gorillawalker.com/trompe-l-oeil.pdf
    • http://www.gorillawalker.com/therapeutic-landscapes-an-evidence-based-approach-to-designing-healing-gardens.pdf
    • http://www.gorillawalker.com/the-shakespeare-stealer-series-the-shakespeare-stealer-shakespeare-s-scribe.pdf
    • http://www.gorillawalker.com/the-travels-of-richard-and-john-lander-into-the-interior.pdf
    • http://www.gorillawalker.com/global-formation-structures-of-the-world-economy.pdf
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    • http://www.gorillawalker.com/city-imprinting-dalian-city-in-2007-best-engineering-design-portfolio.pdf
    • http://www.gorillawalker.com/c-kopprasch-60-selected-studies-for-bb-flat-tuba.pdf
    • http://www.gorillawalker.com/dictionary-of-counselling.pdf
    • http://www.gorillawalker.com/topographische-und-naturwissenschaftliche-reisen-durch-java-german-edition.pdf
    • http://www.gorillawalker.com/perfectly-plum-unauthorized-essays-on-the-life-loves-and-other.pdf
    • http://www.gorillawalker.com/nothing-denied-a-novel-albright-sisters-series.pdf
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    • http://www.gorillawalker.com/how-hitler-could-have-won-world-war-ii-the-fatal.pdf
    • http://www.gorillawalker.com/bernardo-bertolucci-castoro-cinema-italian-edition.pdf
    • http://www.gorillawalker.com/piano-concerto-no-4-in-g-major-op-58-mvmt.pdf
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    • http://www.gorillawalker.com/ship-who-searched.pdf
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    • http://www.gorillawalker.com/the-architecture-of-the-heavens-library-of-illustrated-standard-scientific.pdf
    • http://www.gorillawalker.com/harley-davidson-twin-cam-88-96-and-103-models-99.pdf
    • http://www.gorillawalker.com/manual-of-avian-practice.pdf
    • http://www.gorillawalker.com/the-scenes-of-the-street-and-other-essays.pdf
    • http://www.gorillawalker.com/managing-the-side-effects-of-chemotherapy-and-radiation-therapy.pdf
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    • 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/