Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e232c27c34a208f…

MALICIOUS

PDF

43.1 KB Created: 2018-11-23 08:05:49 +03:00 Authoring application: - (via Acrobat Distiller 15.0 (Windows))
MD5: 32b5f1ad78f9f7f9002b94665e0f1c99 SHA-1: f276996ba7d7eaaca3cf1b9035f1bf4f48b2dd0e SHA-256: 4e232c27c34a208fc72ad3ce258c7094c925cc541d6fb3c41360dee124777cab
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links 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 from this sample, and the document body was not parsable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8698

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/4-leather-bound-dictionaries-in-the-midget-series-with-display.pdf
    • http://www.gorillawalker.com/nbde-dental-decks-2001-part-1-part-2-dental-decks.pdf
    • http://www.gorillawalker.com/double-crossed-3-almost-identical.pdf
    • http://www.gorillawalker.com/the-exile-sex-drugs-and-libel-in-the-new-russia.pdf
    • http://www.gorillawalker.com/gratitude-affirming-the-good-things-in-life.pdf
    • http://www.gorillawalker.com/summer-of-49-harper-perennial-modern-classics.pdf
    • http://www.gorillawalker.com/after-the-clockwork-universe-the-emerging-science-and-culture-of.pdf
    • http://www.gorillawalker.com/bad-business-orca-currents.pdf
    • http://www.gorillawalker.com/days-of-revival-history-of-methodism-in-ireland.pdf
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    • http://www.gorillawalker.com/counterinsurgency-in-crisis-britain-and-the-challenges-of-modern-warfare.pdf
    • http://www.gorillawalker.com/seeing-and-making-in-architecture-design-exercises.pdf
    • http://www.gorillawalker.com/monks-and-wine.pdf
    • http://www.gorillawalker.com/psychotic-core.pdf
    • http://www.gorillawalker.com/naughty-rituals-femdom-submissive-male-humiliation.pdf
    • http://www.gorillawalker.com/walls-notebook.pdf
    • http://www.gorillawalker.com/by-dave-austin-jim-peterik-cathy-lynn-songwriting-for-dummies.pdf
    • http://www.gorillawalker.com/subject-line-secrets-how-to-compel-your-subscribers-to-open.pdf
    • http://www.gorillawalker.com/awareness-beyond-mind-verses-in-haiku-and-senryu-style.pdf
    • http://www.gorillawalker.com/living-language-french-platinum-edition-a-complete-beginner-through-advanced.pdf
    • http://www.gorillawalker.com/biochemistry-biochemistry-voet.pdf
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    • http://www.gorillawalker.com/bipolar-lsi-data-book.pdf
    • http://www.gorillawalker.com/long-range-propagation-of-low-frequency-radio-waves-between-the.pdf
    • http://www.gorillawalker.com/great-monologues-for-young-actors-vol-ii.pdf
    • http://www.gorillawalker.com/pocket-kama-sutra.pdf
    • http://www.gorillawalker.com/energia-solar-fotovoltaica-photovoltaic-solar-energy-calculo-de-una-instalacion.pdf
    • http://www.gorillawalker.com/big-english-plus-3-activity-book.pdf
    • http://www.gorillawalker.com/protein-pancake-recipes-15-delicious-natural-and-organic-protein-cake.pdf
    • http://www.gorillawalker.com/abraham-lincoln-miss-ann-rutledge-new-salem-pioneering-and-the.pdf
    • http://www.gorillawalker.com/roane-s-rules-how-to-make-the-right-impression-working.pdf
    • http://www.gorillawalker.com/media-watermarking-security-and-forensics-2015-proceedings-of-spie.pdf
    • http://www.gorillawalker.com/digital-control-system-analysis-and-design-solutiions-manual-analysis-and.pdf
    • http://www.gorillawalker.com/los-incas-la-destruccion-del-imperio-del-per-volume-2.pdf
    • http://www.gorillawalker.com/computer-models-in-biomechanics-from-nano-to-macro.pdf
    • http://www.gorillawalker.com/exploring-the-ukulele.pdf
    • http://www.gorillawalker.com/a-drinking-life.pdf
    • http://www.gorillawalker.com/cages-to-jump-shots-pro-basketball-s-early-years-paperback.pdf
    • http://www.gorillawalker.com/unternehmensqualit.pdf
    • http://www.gorillawalker.com/the-kingdom-according-to-jesus.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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