Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7841969af023e52…

MALICIOUS

PDF

41.0 KB Created: 2018-12-07 18:28:51 +03:00 Authoring application: - (via ProcessText Group)
MD5: 5d810aa513ce4330a026ccaf581b4725 SHA-1: b19e3d2db9f918a3a7bef145e6ea096f2367d008 SHA-256: e7841969af023e5282edf4cf0fa17ea4d0c159b6d8bb10a394bc25abe9d0d864
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF was flagged by a machine learning classifier and a critical heuristic for containing a large number of external links, specifically 32 links pointing to PDFs on the domain 'gorillawalker.com'. This suggests a link farm or SEO manipulation tactic, potentially used to distribute malware or phish for information through the linked documents. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8872

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/how-to-get-100-employment-or-zero-unemployment.pdf
    • http://www.gorillawalker.com/beg-for-more-complete-series.pdf
    • http://www.gorillawalker.com/london-everyman-mapguide-everyman-mapguides.pdf
    • http://www.gorillawalker.com/painting-watercolor-flowers-that-glow-north-light-classics.pdf
    • http://www.gorillawalker.com/meeting-the-enemy-the-human-face-of-the-great-war.pdf
    • http://www.gorillawalker.com/forever-in-blue-the-fourth-summer-of-the-sisterhood-the.pdf
    • http://www.gorillawalker.com/mind-s-eye-theatre-prop-deck.pdf
    • http://www.gorillawalker.com/global-trends-in-mediation.pdf
    • http://www.gorillawalker.com/how-to-visit-the-beauties-of-florence-pratical-guidebook-with.pdf
    • http://www.gorillawalker.com/disney-s-pixar-how-steve-jobs-changed-hollywood-wizards-of.pdf
    • http://www.gorillawalker.com/where-s-harry-steve-stone-remembers-25-years-with-harry.pdf
    • http://www.gorillawalker.com/clean-tech-intellectual-property-eco-marks-green-patents-and-green.pdf
    • http://www.gorillawalker.com/the-american-spirit-celebrating-the-virtues-and-values-that-make.pdf
    • http://www.gorillawalker.com/anna-karenina-original-russian-language.pdf
    • http://www.gorillawalker.com/capillary-electrophoresis-of-nucleic-acids-methods-in-molecular-biology.pdf
    • http://www.gorillawalker.com/booger-beard.pdf
    • http://www.gorillawalker.com/tenryu-the-dragon-cycle-volume-3.pdf
    • http://www.gorillawalker.com/my-picture-reading-bible-to-see-and-share.pdf
    • http://www.gorillawalker.com/i-spy-gold-challenger-rlb.pdf
    • http://www.gorillawalker.com/the-rice-diet-cookbook-150-easy-everyday-recipes-and-inspirational.pdf
    • http://www.gorillawalker.com/the-lure-of-fishing-2014-wall-calendar.pdf
    • http://www.gorillawalker.com/be-realistic-demand-the-impossible.pdf
    • http://www.gorillawalker.com/nanoscale-phenomena-basic-science-to-device-applications-lecture-notes-in.pdf
    • http://www.gorillawalker.com/101-damnations-the-humorists-tour-of-personal-hells.pdf
    • http://www.gorillawalker.com/pose-file-1-everyday-perspective-pose-file-vol-1-japanese.pdf
    • http://www.gorillawalker.com/automotive-mechanic-usps-passbooks.pdf
    • http://www.gorillawalker.com/adventure-kayaking-glacier-bay.pdf
    • http://www.gorillawalker.com/child-growth-and-development-the-developing-person-through-childhood-and.pdf
    • http://www.gorillawalker.com/deflation-how-to-survive-and-thrive-in-the-coming-wave.pdf
    • http://www.gorillawalker.com/smart-city-hac.pdf
    • http://www.gorillawalker.com/self-and-others.pdf
    • http://www.gorillawalker.com/galatea-spanish-edition.pdf
    • http://www.gorillawalker.com/the-system-concept-and-its-application-to-engineering.pdf
    • http://www.gorillawalker.com/the-nearest-exit-may-be-behind-you.pdf
    • http://www.gorillawalker.com/the-letter-rr-maps-letter-books.pdf
    • http://www.gorillawalker.com/going-clear-scientology-hollywood-and-the-prison-of-belief-unabridged.pdf
    • http://www.gorillawalker.com/mango-lady-and-other-stories-from-hawaii.pdf
    • http://www.gorillawalker.com/two-papers-grid-and-caesura.pdf
    • http://www.gorillawalker.com/hampton-university-va-2007-college-prowler-hampton-university-off-the.pdf
    • http://www.gorillawalker.com/coming-for-the-wolf-hot-gay-werewolf-erotica.pdf
    • http://www.gorillawal
    • 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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