Malicious PDF — malware analysis report

Static analysis result for SHA-256 65d46c6dec9ed77d…

MALICIOUS

PDF

32.3 KB Created: 2020-01-10 17:21:35 +03:00 Authoring application: Adobe InDesign CC 2014 (Windows) (via Adobe PDF Library 11.0)
MD5: 042df012027d6545ee360a03a40b5894 SHA-1: 3b6285ce4f604f1825526b39d178f2dcf0be19b7 SHA-256: 65d46c6dec9ed77d84274da3db58269c603d2ce0c6f29d45a84bcac3cb933d64
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious. The document body is heavily obfuscated and does not provide clear instructions, but the sheer volume of links suggests an attempt to drive traffic or potentially distribute further malicious content through these linked PDFs.

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/when-the-pavilion-had-a-moustache.pdf
    • http://www.gorillawalker.com/my-mother-s-journals.pdf
    • http://www.gorillawalker.com/sistemas-de-seguridad-y-confort-en-vehiculos-automoviles-manuales-de.pdf
    • http://www.gorillawalker.com/the-butterfly-farm-the-harriet-mciver-mystery-series-1.pdf
    • http://www.gorillawalker.com/listening-to-the-land-stories-from-the-cacapon-and-lost.pdf
    • http://www.gorillawalker.com/the-profligate-the-legend-of-anne-bonny.pdf
    • http://www.gorillawalker.com/the-judgment-of-paris-the-revolutionary-decade-that-gave-the.pdf
    • http://www.gorillawalker.com/international-commercial-agreements-a-functional-primer-on-drafting-negotiating-and.pdf
    • http://www.gorillawalker.com/a-hidden-ulster-people-songs-and-traditions-of-oriel.pdf
    • http://www.gorillawalker.com/corporate-communications-convention-complexity-and-critique.pdf
    • http://www.gorillawalker.com/my-best-friend-s-stepfather-3.pdf
    • http://www.gorillawalker.com/childless-by-marriage.pdf
    • http://www.gorillawalker.com/amos-1969-a-commentary-the-old-testament-library.pdf
    • http://www.gorillawalker.com/drawing-life-surviving-the-unabomber.pdf
    • http://www.gorillawalker.com/rasa-in-aesthetics-an-application-of-rasa-theory-to-modern.pdf
    • http://www.gorillawalker.com/basics-of-the-u-s-health-care-system.pdf
    • http://www.gorillawalker.com/frankenstein-a-bantam-classic.pdf
    • http://www.gorillawalker.com/essential-mathematical-biology-springer-undergraduate-mathematics-series-kindle-edition.pdf
    • http://www.gorillawalker.com/forensic-pathology-2ed.pdf
    • http://www.gorillawalker.com/sustainable-wealth-achieve-financial-security-in-a-volatile-world-of.pdf
    • http://www.gorillawalker.com/a-tapestry-of-spells-the-nine-kingdoms-book-4.pdf
    • http://www.gorillawalker.com/magnetoresistance-in-metals-cambridge-studies-in-low-temperature-physics.pdf
    • http://www.gorillawalker.com/will-man-survive-the-bible-looks-at-man-s-future.pdf
    • http://www.gorillawalker.com/the-more-we-find-in-each-other-meditations-for-couples.pdf
    • http://www.gorillawalker.com/readings-on-ultimate-questions-an-introduction-to-philosophy-3rd-edition.pdf
    • http://www.gorillawalker.com/politics-in-america.pdf
    • http://www.gorillawalker.com/the-parakeet-named-dreidel.pdf
    • http://www.gorillawalker.com/the-little-prover.pdf
    • http://www.gorillawalker.com/under-suspicion-citizenship-and-internment-in-australia-during-the-second.pdf
    • http://www.gorillawalker.com/modern-automotive-technology-examview-assessment-suite.pdf
    • http://www.gorillawalker.com/l-the-spears-of-twilight-life-and-death-in-the.pdf
    • http://www.gorillawalker.com/polymer-permeability.pdf
    • http://www.gorillawalker.com/rush-hour-german-with-four-audio-cds-a-teach-yourself.pdf
    • http://www.gorillawalker.com/shopaholic-ties-the-knot-a-novel.pdf
    • http://www.gorillawalker.com/this-day-in-game-show-history-365-commemorations-and-celebrations.pdf
    • http://www.gorillawalker.com/death-at-chinatown-emily-cabot-mysteries-volume-5.pdf
    • http://www.gorillawalker.com/industry-s-voice-in-health-policy-springer-series-on-industry.pdf
    • http://www.gorillawalker.com/one-minute-life-changes-how-one-minute-can-change-your.pdf
    • http://www.gorillawalker.com/hysteria-from-freud-to-lacan-lacanian-clincial-field.pdf
    • http://www.gorillawalker.com/primary-atlas-for-western-nigeria.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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