Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e9ed73459e62247…

MALICIOUS

PDF

35.6 KB Created: 2020-01-03 01:15:08 +03:00 Authoring application: AutoCAD 2010 2010 (18.0s (LMS Tech)) (via pdfplot10.hdi 10.0.55.0) First seen: 2021-09-13
MD5: b898d9e382a505bada3529530244d8a3 SHA-1: 940415c01d2ce144f14e51dbbd7491d6b4642ea4 SHA-256: 4e9ed73459e62247e795926e1cc35f5293cbb3a3ed2b545c863638a338fcb0de
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 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. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to redirect the user to a potentially harmful website.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8018

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-american-legal-system-the-administration-of-justice-in-the.pdf In PDF document text
    • http://www.gorillawalker.com/back-to-our-future-how-the-1980s-explain-the-world.pdfIn PDF document text
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    • http://www.gorillawalker.com/mel-bay-the-student-cellist-bach.pdfIn PDF document text
    • http://www.gorillawalker.com/widerstand-als-sthetik-peter-weiss-und-die-sthetik-des-widerstands.pdfIn PDF document text
    • http://www.gorillawalker.com/bug-on-a-bike-carolrhoda-picture-books.pdfIn PDF document text
    • http://www.gorillawalker.com/love-s-beginning-historical-christian-short-story-eagle-harbor.pdfIn PDF document text
    • http://www.gorillawalker.com/master-composer-library-j-s-bach-two-part-inventions.pdfIn PDF document text
    • http://www.gorillawalker.com/the-bbook-of-geek-the-only-geek-humor-book-you.pdfIn PDF document text
    • http://www.gorillawalker.com/2007-kansas-city-mo-vicinity-city-wall-maps.pdfIn PDF document text
    • http://www.gorillawalker.com/leigh-women-of-ivy-manor-series-3.pdfIn PDF document text
    • http://www.gorillawalker.com/holt-science-and-technology-earth-s-changing-surface.pdfIn PDF document text
    • http://www.gorillawalker.com/cookie-dough-fun-favorite-bradname-recipes.pdfIn PDF document text
    • http://www.gorillawalker.com/america-a-patriotic-primer.pdfIn PDF document text
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    • http://www.gorillawalker.com/celebrating-grace-hymnal-navy-pew-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/mark-z-danielewski-contemporary-american-and-canadian-writers-mup.pdfIn PDF document text
    • http://www.gorillawalker.com/complications-of-interventional-cardiovascular-procedures-a-case-based-atlas.pdfIn PDF document text
    • http://www.gorillawalker.com/sister-vegetarian-s-31-days-of-drama-free-living-exercises.pdfIn PDF document text
    • http://www.gorillawalker.com/amani-memoirs-a-provisional-soil-map-of-east-africa-kenya.pdfIn PDF document text
    • http://www.gorillawalker.com/the-friend-zone-ends-tonight-interracial-erotica.pdfIn PDF document text
    • http://www.gorillawalker.com/valley-of-wild-horses-non-illustrated-kindle-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/introduction-to-programmable-logic-controllers.pdfIn PDF document text
    • http://www.gorillawalker.com/fiscal-sustainability-and-competitiveness-in-europe-and-asia.pdfIn PDF document text
    • http://www.gorillawalker.com/pohnpei-primary-health-care-manual-health-care-in-pohnpei-micronesia.pdfIn PDF document text
    • http://www.gorillawalker.com/ethiopia-unbound-kindle-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/spearwood-academy-volume-three-the-spearwood-academy-book-3-kindle.pdfIn PDF document text
    • http://www.gorillawalker.com/romance-of-the-taj-mahal.pdfIn PDF document text
    • http://www.gorillawalker.com/the-american-jungle-the-adventures-of-charlie-pierce.pdfIn PDF document text
    • http://www.gorillawalker.com/joie-de-vivre-selected-poems-1992-2012-city-lights-spotlight.pdfIn PDF document text
    • http://www.gorillawalker.com/harmonizing-your-craniosacral-system-cd-17-exercises-for-relaxation-and.pdfIn PDF document text
    • http://www.gorillawalker.com/stuff-you-need-to-know.pdfIn PDF document text
    • http://www.gorillawalker.com/the-guardian-return-of-the-highlanders.pdfIn PDF document text
    • http://www.gorillawalker.com/south-asia-and-africa-after-independence-post-colonialism-in-historical.pdfIn PDF document text
    • http://www.gorillawalker.com/biomaterials-a-basic-introduction.pdfIn PDF document text
    • http://www.gorillawalker.com/exploring-the-moon-through-binoculars-and-small-telescopes-exploring-the.pdfIn PDF document text
    • http://www.gorillawalker.com/ismaili-literature-a-bibliography-of-sources-and-studies.pdfIn PDF document text
    • http://www.gorillawalker.com/gold-rush-fever-a-story-of-the-klondike-1898.pdfIn PDF document text
    • http://www.gorillawalker.com/eventrecht-kompakt-ein-lehr-und-praxisbuch-mit-beispielen-aus-dem.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://www.aiim.org/pdfa/ns/extension/In PDF document text
    • http://www.aiim.org/pdfa/ns/schema#In PDF document text
    • http://www.aiim.org/pdfa/ns/property#In PDF document text
    • http://www.aiim.org/pdfa/ns/id/In PDF document text

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