Malicious PDF — malware analysis report

Static analysis result for SHA-256 f69d08d53d1a274c…

MALICIOUS

PDF

44.5 KB Created: 2019-02-13 22:34:35 +03:00 Authoring application: FrameMaker 7.0 (via Acrobat Distiller 7.0 (Windows))
MD5: e920e1b7bc50e45e406f094c299bc525 SHA-1: 903a61253cba66ee5b5531c6f7b7d30414d3ca50 SHA-256: f69d08d53d1a274c4f22733b12ccf1fc1cdcf7be316dcc81b84da6aac9651a7f
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a large number of embedded external links, indicating a potential SEO manipulation or traffic redirection scheme. The primary attack pattern observed is the PDF_SEO_LINK_FARM heuristic, which suggests the document is designed to host numerous links to other PDF files, likely for malicious purposes such as distributing malware or phishing content. No scripts were extracted, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8634

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-mechanic-s-companion-or-the-elements-and-practice-of.pdf
    • http://www.gorillawalker.com/bernissart-dinosaurs-and-early-cretaceous-terrestrial-ecosystems-life-of-the.pdf
    • http://www.gorillawalker.com/pick-guns-lock-picking-for-spies-cops-and-locksmiths.pdf
    • http://www.gorillawalker.com/state-and-local-homeland-security-officials-who-are-they-and.pdf
    • http://www.gorillawalker.com/disney-songs-book-easy-guitar.pdf
    • http://www.gorillawalker.com/laser-interacion-with-tissue-and-cells-xv-proceedings-of-s.pdf
    • http://www.gorillawalker.com/poem-of-the-cid-a-modern-translation-with-notes-by.pdf
    • http://www.gorillawalker.com/olg-catch-4.pdf
    • http://www.gorillawalker.com/john-philip-sousa-march-collection-trumpet-2.pdf
    • http://www.gorillawalker.com/glacier-influenced-sedimentation-on-high-latitude-continental-margins-geological-society.pdf
    • http://www.gorillawalker.com/nottingham-international-chess-tournament-1936.pdf
    • http://www.gorillawalker.com/essays-of-michel-de-montaigne.pdf
    • http://www.gorillawalker.com/the-national-geographic-magazine-vol-184-no-2-august-1993.pdf
    • http://www.gorillawalker.com/cracking-the-ged-2006-test-prep.pdf
    • http://www.gorillawalker.com/champion-joe-louis-a-biography.pdf
    • http://www.gorillawalker.com/the-changing-paradigm-of-consulting-adjusting-to-the-fast-paced.pdf
    • http://www.gorillawalker.com/port-and-the-douro.pdf
    • http://www.gorillawalker.com/engineering-mechanics-statics-7th-edition.pdf
    • http://www.gorillawalker.com/10-of-the-best-stories-from-kenji-miyazawa-nankichi-niimi.pdf
    • http://www.gorillawalker.com/steinbeck-citizen-spy.pdf
    • http://www.gorillawalker.com/civil-service-act-and-rules-statutes-executive-orders-and-regulations.pdf
    • http://www.gorillawalker.com/super-science-feel-the-force-full-of-pop-up-physics.pdf
    • http://www.gorillawalker.com/auctoritas-patrum-the-reception-of-the-church-fathers-in-puritanism.pdf
    • http://www.gorillawalker.com/fluorine-containing-molecules-structure-reactivity-synthesis-and-applications-molecular-structure.pdf
    • http://www.gorillawalker.com/the-mapmaker-and-the-ghost.pdf
    • http://www.gorillawalker.com/unsung-heroes-and-a-few-villains.pdf
    • http://www.gorillawalker.com/for-the-conversion-of-the-churches.pdf
    • http://www.gorillawalker.com/linear-control-system-analysis-and-design-with-matlab-sixth-edition.pdf
    • http://www.gorillawalker.com/conservation-of-timber-buildings.pdf
    • http://www.gorillawalker.com/patrick-and-the-leprechaun.pdf
    • http://www.gorillawalker.com/coping-with-lupus.pdf
    • http://www.gorillawalker.com/the-great-tang-dynasty-record-of-the-western-regions-bdk.pdf
    • http://www.gorillawalker.com/running-horse-ridge-1-sapphire-new-horizons.pdf
    • http://www.gorillawalker.com/in-this-garden-exploration-in-mixed-media-visual-narrative.pdf
    • http://www.gorillawalker.com/letters-from-a-cruiser-letters-sent-home-by-laraine-salmon.pdf
    • http://www.gorillawalker.com/this-to-protect-you-from-osteoporosis-1994-isbn-4879540781-japanese.pdf
    • http://www.gorillawalker.com/pride-and-prejudice-graphic-novel-hardcover.pdf
    • http://www.gorillawalker.com/international-cash-management-3rd-ed-treasury-management-and-finance-series.pdf
    • http://www.gorillawalker.com/elements-of-power-systems.pdf
    • http://www.gorillawalker.com/stories-from-the-bible-the-last-supper.pdf
    • http://www.gorill
    • 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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