Malicious PDF — malware analysis report

Static analysis result for SHA-256 2faf4108732847f1…

MALICIOUS

PDF

39.7 KB Created: 2019-02-14 08:12:48 +03:00 Authoring application: - (via Acrobat Distiller 4.05 for Windows)
MD5: e1d206c4d3c933721805cd57211f943a SHA-1: 292e1dfae66e94524d9b3e9274746a149c23abde SHA-256: 2faf4108732847f196b46bca658d37dcadd459056c7c67f2b969a522227e0215
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, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

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-first-man-an-enlightened-journey.pdf
    • http://www.gorillawalker.com/this-sceptred-isle.pdf
    • http://www.gorillawalker.com/prosthetics-and-patient-management-a-comprehensive-clinical-approach.pdf
    • http://www.gorillawalker.com/country-heaven-dare-river.pdf
    • http://www.gorillawalker.com/the-femboy-s-guide-to-winning-the-womanless-pageant-a.pdf
    • http://www.gorillawalker.com/a-history-of-latin-literature.pdf
    • http://www.gorillawalker.com/the-consumer-s-amortization-guide.pdf
    • http://www.gorillawalker.com/ben-s-dr-dom-the-wilton-park-grand-hotel-5.pdf
    • http://www.gorillawalker.com/avoiding-common-pilot-errors-an-air-traffic-controller-s-view.pdf
    • http://www.gorillawalker.com/an-american-ordeal-the-antiwar-movement-of-the-vietnam-era.pdf
    • http://www.gorillawalker.com/interpretation-acts-1948-and-1967-all-amendments-up-to-february.pdf
    • http://www.gorillawalker.com/story-of-the-blues.pdf
    • http://www.gorillawalker.com/darkchylde-volume-1-legacy-redemption-tp.pdf
    • http://www.gorillawalker.com/chemical-process-analysis-and-synthesis-chinese-edition.pdf
    • http://www.gorillawalker.com/st-patrick-s-day-holiday-histories.pdf
    • http://www.gorillawalker.com/engaging-the-culture-christianity-today-study-series.pdf
    • http://www.gorillawalker.com/iphoto-08-the-missing-manual.pdf
    • http://www.gorillawalker.com/brown-foods-colors-we-eat.pdf
    • http://www.gorillawalker.com/traditional-old-english-british-recipes.pdf
    • http://www.gorillawalker.com/red-zone-barber-game-time-books.pdf
    • http://www.gorillawalker.com/nudie-toons-2009.pdf
    • http://www.gorillawalker.com/a-la-recherche-d-un-corps-langage-et-silence-dans.pdf
    • http://www.gorillawalker.com/crime-scene-bloodstain-pattern-analysis-workbook.pdf
    • http://www.gorillawalker.com/a-digital-signal-processing-laboratory-using-the-tms320c30.pdf
    • http://www.gorillawalker.com/one-thing-that-s-true.pdf
    • http://www.gorillawalker.com/there-will-be-killing-a-novel-of-war-and-murder.pdf
    • http://www.gorillawalker.com/the-bank-of-israel-volume-1-a-monetary-history.pdf
    • http://www.gorillawalker.com/christmas-the-merchant-of-bethlehem.pdf
    • http://www.gorillawalker.com/the-world-atlas-of-birds.pdf
    • http://www.gorillawalker.com/book-of-the-beginnings-containing-an-attempt-to-recover-and.pdf
    • http://www.gorillawalker.com/stimulated-tests-of-the-new-chinese-proficiency-test-hsk-hsk.pdf
    • http://www.gorillawalker.com/friendship-bands-braiding-weaving-knotting.pdf
    • http://www.gorillawalker.com/excolopolis-poles-of-enforcement-volume-1.pdf
    • http://www.gorillawalker.com/poems-that-make-grown-men-cry-100-men-on-the.pdf
    • http://www.gorillawalker.com/instrumentation-in-education-an-anthology-source-books-on-education.pdf
    • http://www.gorillawalker.com/breaking-free-from-fear-40-minute-bible-studies.pdf
    • http://www.gorillawalker.com/electrical-installation-work-fourth-edition.pdf
    • http://www.gorillawalker.com/dear-theodora-victorian-bookshelf-series.pdf
    • http://www.gorillawalker.com/i-love-you-dad.pdf
    • http://www.gorillawalker.com/aleph-vintage-international.pdf
    • http://www.gorillawalker.com/a-hi
    • 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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