Malicious PDF — malware analysis report

Static analysis result for SHA-256 7734939e36f9fe4d…

MALICIOUS

PDF

34.2 KB Created: 2020-01-17 19:19:06 +03:00 Authoring application: - (via Adobe Acrobat 10.0 Paper Capture Plug-in)
MD5: 71c70dd3d0211b878010f69c260db137 SHA-1: 5b873a62cca7098af3534633549ba1071efe4b33 SHA-256: 7734939e36f9fe4dcd9a67064af0fc9b05e6f36535a26881a1ef7846a671d1c4
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF documents on the domain 'gorillawalker.com'. The ML classifier also flagged the document as malicious. The primary attack pattern appears to be the distribution of a large number of links, potentially for SEO spam or to host malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8313

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/the-legend-of-mild-bill-lust-inthe-dust-book-1.pdf
    • http://www.gorillawalker.com/mth-1110-finite-mathematics-custom-version-for-troy-university.pdf
    • http://www.gorillawalker.com/asian-immigration-to-the-united-states.pdf
    • http://www.gorillawalker.com/recipes-reflections.pdf
    • http://www.gorillawalker.com/the-werebear-s-desires-bbw-werebear-breeding-paranormal-erotica-alpha.pdf
    • http://www.gorillawalker.com/raising-caine-caine-riordan.pdf
    • http://www.gorillawalker.com/to-ride-pegasus-the-talents-saga.pdf
    • http://www.gorillawalker.com/is-it-cancer-yet-under-my-skin-skin-cancer-diagnosis.pdf
    • http://www.gorillawalker.com/ekaterinoslav-one-family-s-passage-to-america-a-memoir-in.pdf
    • http://www.gorillawalker.com/land-of-pure-vision-the-sacred-geography-of-tibet-and.pdf
    • http://www.gorillawalker.com/mind-benders-brain-teasers-puzzle-conundrums-150-math-puzzles-games.pdf
    • http://www.gorillawalker.com/solar-montoya-spanish-edition.pdf
    • http://www.gorillawalker.com/mr-and-mrs-president-from-the-trumans-to-the-clintons.pdf
    • http://www.gorillawalker.com/animal-crossing-2016-wall-calendar.pdf
    • http://www.gorillawalker.com/telling-tales.pdf
    • http://www.gorillawalker.com/conscious-loving-the-journey-to-co-commitment.pdf
    • http://www.gorillawalker.com/fanny-crosby-queen-of-gospel-songs.pdf
    • http://www.gorillawalker.com/the-klondykers-the-oilmen-onshore.pdf
    • http://www.gorillawalker.com/illustrated-history-of-indian-baskets-and-plates-made-by-california.pdf
    • http://www.gorillawalker.com/bipolar-disorder-advances-in-psychotherapy-evidence-based-practice.pdf
    • http://www.gorillawalker.com/the-hungry-spirit.pdf
    • http://www.gorillawalker.com/firence-florence-hallwag-city-flash.pdf
    • http://www.gorillawalker.com/night-comes-to-the-cumberlands-a-biography-of-a-depressed.pdf
    • http://www.gorillawalker.com/dante-s-divina-comedia-linguistic-study-and-critical-edition-of.pdf
    • http://www.gorillawalker.com/digital-photography-updated-and-revised-a-step-by-step-visual.pdf
    • http://www.gorillawalker.com/the-story-of-the-denver-broncos-nfl-today.pdf
    • http://www.gorillawalker.com/combinatorial-set-theory-partition-relations-for-cardinals.pdf
    • http://www.gorillawalker.com/bachmann-trains-e-z-model-railroads-track-planning-book.pdf
    • http://www.gorillawalker.com/choke-what-the-secrets-of-the-brain-reveal-about-getting.pdf
    • http://www.gorillawalker.com/thai-magic-tattoos-the-art-and-influence-of-sak-yant.pdf
    • http://www.gorillawalker.com/soccer-injuries-prevention-and-treatment.pdf
    • http://www.gorillawalker.com/my-very-first-book-of-numbers-mi-primer-libro-de.pdf
    • http://www.gorillawalker.com/the-educational-prophecies-of-aldous-huxley-the-visionary-legacy-of.pdf
    • http://www.gorillawalker.com/instalando-sistemas-de-bombeo-en-residencias-gu.pdf
    • http://www.gorillawalker.com/after-cilmeri-boxed-set-daughter-of-time-footsteps-in-time.pdf
    • http://www.gorillawalker.com/how-to-get-lucky-13-techniques-for-discovering-and-taking.pdf
    • http://www.gorillawalker.com/the-shape-of-practical-theology-empowering-ministry-with-theological-praxis.pdf
    • http://www.gorillawalker.com/the-oxford-illustrated-history-of-the-reformation-oxford-illustrated-histories.pdf
    • http://www.gorillawalker.com/complete-book-of-silk-screen-printing-production.pdf
    • http://www.gorillawalker.com/fanfare-for-a-celebration-handbell-sheet-music-handbell-2-octaves.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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