Malicious PDF — malware analysis report

Static analysis result for SHA-256 a8ca5e32e58e985d…

MALICIOUS

PDF

34.2 KB Created: 2020-01-03 22:22:04 +03:00 Authoring application: Adobe InDesign CS6 (Macintosh) (via Acrobat Distiller 10.1.12 (Macintosh))
MD5: 71588ad52cbb87a4b274cc6b172a528a SHA-1: 430eee1b4862ee280a036497e022f825a71c813b SHA-256: a8ca5e32e58e985d4e8829f899a1ec5f089d645fa587c41eae77050dd4238faf
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on the domain www.gorillawalker.com. The ML classifier also flagged this PDF as malicious. The purpose appears to be to drive traffic to a link farm, potentially for SEO manipulation or to host malicious content disguised as legitimate documents.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8015

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/daring-spectacle-adventures-in-deviant-journalism.pdf
    • http://www.gorillawalker.com/metal-chemical-reactions-with-metals-zinc-to-lawrencium-gmelin-handbook.pdf
    • http://www.gorillawalker.com/a272-an-ode-to-a-road.pdf
    • http://www.gorillawalker.com/the-sexually-abused-male-vol-1-prevalence-impact-and-treatment.pdf
    • http://www.gorillawalker.com/an-atlas-of-recycled-landscapes.pdf
    • http://www.gorillawalker.com/jenny-the-airplane-that-taught-america-to-fly-single-titles.pdf
    • http://www.gorillawalker.com/math-challenge-cut-outs-grade-4.pdf
    • http://www.gorillawalker.com/architecture-a-very-short-introduction.pdf
    • http://www.gorillawalker.com/the-art-of-profiling-reading-people-right-the-first-time.pdf
    • http://www.gorillawalker.com/nine-worlds-of-seid-magic-ecstasy-and-neo-shamanism-in.pdf
    • http://www.gorillawalker.com/pembroke-welsh-corgi-pet-love.pdf
    • http://www.gorillawalker.com/u-boat-977.pdf
    • http://www.gorillawalker.com/counseling-multicultural-and-diverse-populations.pdf
    • http://www.gorillawalker.com/the-delicious-mediterranean-diet-how-to-stay-eating-healthy-on.pdf
    • http://www.gorillawalker.com/dibujo-de-animales-an-introduction-to-drawing-animals-tecnicas-artisticas.pdf
    • http://www.gorillawalker.com/between-dictatorship-and-democracy-russian-post-communist-political-reform.pdf
    • http://www.gorillawalker.com/an-introduction-to-management-science-quantitative-approaches-to-decision-making.pdf
    • http://www.gorillawalker.com/when-bob-met-woody-the-story-of-the-young-bob.pdf
    • http://www.gorillawalker.com/soccer-coaching-guide.pdf
    • http://www.gorillawalker.com/new-zealand-land-of-the-long-white-cloud.pdf
    • http://www.gorillawalker.com/futa-shower-fun-a-futa-on-female-erotica-kindle-edition.pdf
    • http://www.gorillawalker.com/tibili-the-little-boy-who-didn-t-want-to-go.pdf
    • http://www.gorillawalker.com/historic-alphabets-and-initials-woodcut-and-ornamental-lettering-calligraphy-typography.pdf
    • http://www.gorillawalker.com/your-secret-self-illuminating-the-mysteries-of-the-twelfth-house.pdf
    • http://www.gorillawalker.com/the-science-studies-reader.pdf
    • http://www.gorillawalker.com/roads-and-bridges-of-the-roman-empire.pdf
    • http://www.gorillawalker.com/engines-of-instruction-mischief-and-magic-children-s-literature-in.pdf
    • http://www.gorillawalker.com/falling-for-rapunzel.pdf
    • http://www.gorillawalker.com/developmental-movement-for-children.pdf
    • http://www.gorillawalker.com/3888-a-space-opera-home-vonstaufen-s-world-volume-3.pdf
    • http://www.gorillawalker.com/engineering-design-reliability-applications-for-the-aerospace-automotive-and-ship.pdf
    • http://www.gorillawalker.com/hillsong-music-collection-songbook-vol-2.pdf
    • http://www.gorillawalker.com/hedda-gabler-a-drama-in-fier-a-en-yiddish-edition.pdf
    • http://www.gorillawalker.com/the-absolutely-true-diary-of-a-part-time-indian-novel.pdf
    • http://www.gorillawalker.com/the-idea-of-decline-in-western-history.pdf
    • http://www.gorillawalker.com/the-billionaire-s-black-obsession-bwwm-billionaire-erotic-romance-kindle.pdf
    • http://www.gorillawalker.com/aa-key-guide-new-zealand.pdf
    • http://www.gorillawalker.com/caries-removal-techniques-in-primary-teeth-a-comparitive-clinical-evaluation.pdf
    • http://www.gorillawalker.com/mexico-construction-contract-award-for-planned-74-000-000-vinyl.pdf
    • http://www.gorillawalker.com/basic-science-principles-of-nuclear-medicine.pdf
    • http://www.gorillawalke
    • 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/

Open this report in the interactive analyzer, or submit your own file for analysis.