Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c133261d79c4ab2…

MALICIOUS

PDF

44.7 KB Created: 2019-01-06 08:03:57 +03:00 Authoring application: Microsoft Word (via Mac OS X 10.6.8 Quartz PDFContext)
MD5: a7340d24046fcf6c58ec091d9b772f3c SHA-1: 77af466eb6dd6d02bee8e82db9f6a7fde426991b SHA-256: 5c133261d79c4ab27d5a10e48a599a5a72e5e2eae2ad4c0d4187de7119bbfc12
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious. While no scripts were extracted, the sheer volume of links suggests an attempt to manipulate search engine results or redirect users to potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8173

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/negotiating-tradition-becoming-american-family-gender-and-autonomy-for-second.pdf
    • http://www.gorillawalker.com/mars-3-d-a-rover-s-eye-view-of-the.pdf
    • http://www.gorillawalker.com/babylon-the-great-city-of-revelation.pdf
    • http://www.gorillawalker.com/brave-companions-kindle-edition.pdf
    • http://www.gorillawalker.com/12459.pdf
    • http://www.gorillawalker.com/obesity-and-diabetes-new-surgical-and-nonsurgical-approaches.pdf
    • http://www.gorillawalker.com/the-mechanics-handbook-a-convenient-reference-book-for-all-persons.pdf
    • http://www.gorillawalker.com/sharks-2016-square-12x12.pdf
    • http://www.gorillawalker.com/daddies-and-baby-girls-a-10-story-abdl-erotica-bundle.pdf
    • http://www.gorillawalker.com/ed-parker-s-encyclopedia-of-kenpo.pdf
    • http://www.gorillawalker.com/writing-taiwan-a-new-literary-history-asia-pacific-culture-politics.pdf
    • http://www.gorillawalker.com/a-journal-for-lalie-living-through-prostate-cancer.pdf
    • http://www.gorillawalker.com/vine-and-dandy.pdf
    • http://www.gorillawalker.com/generalized-estimating-equations.pdf
    • http://www.gorillawalker.com/nys-surrogate-s-court-procedure-act-law-highlights-notes-and.pdf
    • http://www.gorillawalker.com/dos-feitos-de-d-christovam-de-gama-em-ethiopia-tratado.pdf
    • http://www.gorillawalker.com/pahlavi-texts-of-zoroastrianism-part-3-of-5-the-dina.pdf
    • http://www.gorillawalker.com/ftce-prekindergarten-primary-pk-3-secrets-study-guide-ftce-test.pdf
    • http://www.gorillawalker.com/northern-manitoba-treaty-party-1949-an-article-from-manitoba-history.pdf
    • http://www.gorillawalker.com/above-the-law-dc-bookdiva-publication.pdf
    • http://www.gorillawalker.com/sexual-energy-transmutation-for-men-kindle-edition.pdf
    • http://www.gorillawalker.com/the-off-season-dairy-queen-book-2.pdf
    • http://www.gorillawalker.com/foundations-of-classical-electrodynamics-charge-flux-and-metric-progress-in.pdf
    • http://www.gorillawalker.com/nifty-nursery-rhymes-and-twisted-tales.pdf
    • http://www.gorillawalker.com/aerodynamic-heating-and-other-parameters-affecting-space-vehicle-operations-an.pdf
    • http://www.gorillawalker.com/rediscovering-the-church-fathers-who-they-were-and-how-they.pdf
    • http://www.gorillawalker.com/when-the-whale-came-to-my-town-hardcover.pdf
    • http://www.gorillawalker.com/professional-baking-text-and-study-guide.pdf
    • http://www.gorillawalker.com/help-i-need-a-job-the-desktop-guide-to-the.pdf
    • http://www.gorillawalker.com/bligh-a-true-account-of-mutiny-aboard-his-majesty-s.pdf
    • http://www.gorillawalker.com/beyond-the-green-economy-digital.pdf
    • http://www.gorillawalker.com/global-logistics-and-supply-chain-management.pdf
    • http://www.gorillawalker.com/earth-forms.pdf
    • http://www.gorillawalker.com/hart-s-postscript-essays-on-the-postscript-to-the-concept.pdf
    • http://www.gorillawalker.com/my-little-library-of-bible-stories.pdf
    • http://www.gorillawalker.com/life-cycle-psychological-and-theological-perceptions.pdf
    • http://www.gorillawalker.com/menopause.pdf
    • http://www.gorillawalker.com/just-for-you-i-hate-to-be-sick.pdf
    • http://www.gorillawalker.com/special-pizza-recipes.pdf
    • http://www.gorillawalker.com/100-of-the-best-female-squash-players-of-all-time.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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