Malicious PDF — malware analysis report

Static analysis result for SHA-256 26976bce908685ab…

MALICIOUS

PDF

31.6 KB Created: 2020-01-17 19:19:30 +03:00 Authoring application: ABBYY FineReader (via -)
MD5: 00780734faedf09ffcb3baec5cbf0166 SHA-1: 505caacfedf630ec8e5ad805a16ba411ba43e391 SHA-256: 26976bce908685abfac44caf4caca19f0ce3a9d17863d7a6f5723f621102005f
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 malware. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was unreadable, so the primary indicators are the link farm and the ML classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8447

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/being-happy.pdf
    • http://www.gorillawalker.com/communication-in-nursing-7e-communication-in-nursing-balzer-riley.pdf
    • http://www.gorillawalker.com/sweet-sue-s-guide-to-buying-pick-4-wins-kindle.pdf
    • http://www.gorillawalker.com/the-spirit-of-rome.pdf
    • http://www.gorillawalker.com/love-rise-up-poems-of-social-justice-protest-and-hope.pdf
    • http://www.gorillawalker.com/big-time-rush-fan-book-big-time-rush-full-color.pdf
    • http://www.gorillawalker.com/how-to-improve-your-handwriting-a-step-by-step-guide.pdf
    • http://www.gorillawalker.com/tennessee-football-dirty-joke-book-funny-jokes-about-university-of.pdf
    • http://www.gorillawalker.com/harbor-view-the-hotel-that-saved-a-town.pdf
    • http://www.gorillawalker.com/life-pulse-massage-taoist-techniques-for-enhanced-circulation-and-detoxification.pdf
    • http://www.gorillawalker.com/farm-business-analysis-using-benchmarking-farm-management-extension-guide.pdf
    • http://www.gorillawalker.com/misbehaving-the-making-of-behavioural-economics.pdf
    • http://www.gorillawalker.com/energy-options-the-role-of-alternatives-in-the-world-energy.pdf
    • http://www.gorillawalker.com/photoshop-elements-3-the-missing-manual.pdf
    • http://www.gorillawalker.com/africa-impressions-uk-version-author-pavlowsky-photography-markus.pdf
    • http://www.gorillawalker.com/renaissance-thought-and-the-arts-collected-essays.pdf
    • http://www.gorillawalker.com/hemodynamic-monitoring-made-easy-1e.pdf
    • http://www.gorillawalker.com/the-threshold-of-democracy-athens-in-403-b-c-reacting.pdf
    • http://www.gorillawalker.com/exposicion-al-congreso-de-venezuela-spanish-edition.pdf
    • http://www.gorillawalker.com/what-really-matters-at-home.pdf
    • http://www.gorillawalker.com/configuring-callmanager-and-unity-a-step-by-step-guide.pdf
    • http://www.gorillawalker.com/the-bolsheviks-come-to-power-the-revolution-of-1917-in.pdf
    • http://www.gorillawalker.com/the-easy-broadway-fake-book-fake-books.pdf
    • http://www.gorillawalker.com/leadership-in-committee-a-comparative-analysis-of-leadership-behavior-in.pdf
    • http://www.gorillawalker.com/bound-for-passion-erotic-love-stories.pdf
    • http://www.gorillawalker.com/world-within-walls.pdf
    • http://www.gorillawalker.com/map-of-the-county-of-cornwall-1699-devon-cornwall-record.pdf
    • http://www.gorillawalker.com/planting-the-landscape-a-professional-approach-to-garden-design.pdf
    • http://www.gorillawalker.com/the-lady-who-lived-again-the-sole-survivor-series.pdf
    • http://www.gorillawalker.com/disney-pixar-cars-red-light-green-light-action-opposites-read.pdf
    • http://www.gorillawalker.com/digitale-zustandsregelung-elektrischer-vorschubantriebe-iwb-forschungsberichte-german-edition.pdf
    • http://www.gorillawalker.com/chrysler-sebring-200-and-dodge-avenger-2007-thru-2014-all.pdf
    • http://www.gorillawalker.com/futuro-antico-the-history-of-the-antinori-family-and-their.pdf
    • http://www.gorillawalker.com/travels-and-adventures-in-algiers-and-other-parts-of-africa.pdf
    • http://www.gorillawalker.com/another-freedom-the-alternative-history-of-an-idea.pdf
    • http://www.gorillawalker.com/32-battalion.pdf
    • http://www.gorillawalker.com/public-administration-in-ceylon.pdf
    • http://www.gorillawalker.com/2005-united-states-school-laws-and-rules.pdf
    • http://www.gorillawalker.com/helmut-newton-portraits-photographs-from-europe-and-america.pdf
    • http://www.gorillawalker.com/advanced-biology-human-biology-teaching-resource.pdf
    • http://www.gorillawalker.com/africa-impressions-uk-version-author-pavlowsky-photogra
    • 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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