Malicious PDF — malware analysis report

Static analysis result for SHA-256 e08b5867ef5cb117…

MALICIOUS

PDF

33.2 KB Created: 2020-02-19 23:42:22 +03:00 Authoring application: TopLeaf 7.6.056 (via iText 2.1.7 by 1T3XT)
MD5: c77823d6e95220c7eb46401bad075b7f SHA-1: cabb6c90c7592c45d7a6b9bbf44bc21c3ee6233c SHA-256: e08b5867ef5cb117cbef6c01fae27945ac2c9955c2be98ce0ef85f55ff3457ae
90 Risk Score

Malware Insights

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

The PDF was flagged by a machine learning classifier and contains a large number of external links, indicating a potential SEO manipulation or redirection scheme. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, suggesting the document's primary purpose is to distribute these links. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8529

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/driving-with-music-cognitive-behavioural-implications-human-factors-in-road.pdf
    • http://www.gorillawalker.com/mastering-trade-selection-and-management-advanced-strategies-for-long-term.pdf
    • http://www.gorillawalker.com/a-bilingual-concordance-to-the-targum-of-the-prophets-isaiah.pdf
    • http://www.gorillawalker.com/federal-courts-cases-comments-and-questions-american-casebook-series.pdf
    • http://www.gorillawalker.com/fumaric-acid-esters-may-help-severe-psoriasis-dermatologic-therapy-an.pdf
    • http://www.gorillawalker.com/heimskringla-sagen-der-konige-norwegens-volume-1-german-edition.pdf
    • http://www.gorillawalker.com/neurosurgical-management-of-pain.pdf
    • http://www.gorillawalker.com/stop-giving-it-away-how-to-stop-self-sacrificing-and.pdf
    • http://www.gorillawalker.com/eye-of-the-needle-and-other-prophetic-parables.pdf
    • http://www.gorillawalker.com/gridley-girls-a-novel.pdf
    • http://www.gorillawalker.com/joe-and-the-skyscraper-adventures-in-architecture.pdf
    • http://www.gorillawalker.com/blueprint-to-cyanotypes-exploring-a-historical-alternative-photographic-process-kindle.pdf
    • http://www.gorillawalker.com/bloom-s-how-to-write-about-james-joyce-bloom-s.pdf
    • http://www.gorillawalker.com/the-law-of-contracts-and-the-uniform-commercial-code.pdf
    • http://www.gorillawalker.com/michelin-in-your-pocket-bruges-ghent-and-antwerp.pdf
    • http://www.gorillawalker.com/salad-salad-salad-kindle-edition.pdf
    • http://www.gorillawalker.com/low-carb-italian-recipes-and-low-carb-quick-n-cheap.pdf
    • http://www.gorillawalker.com/a-knight-in-sticky-armor-disney-junior-doc-mcstuffins-little.pdf
    • http://www.gorillawalker.com/modern-cosmology-and-the-dark-matter-problem-cambridge-lecture-notes.pdf
    • http://www.gorillawalker.com/annuities-for-dummies.pdf
    • http://www.gorillawalker.com/the-g-i-diet-clinic.pdf
    • http://www.gorillawalker.com/competing-with-high-quality-data-concepts-tools-and-techniques-for.pdf
    • http://www.gorillawalker.com/assessing-the-accuracy-of-remotely-sensed-data-principles-and-practices.pdf
    • http://www.gorillawalker.com/angus-macbain-and-the-island-of-sleeping-kings-the-angus.pdf
    • http://www.gorillawalker.com/more-classic-bob-dylan.pdf
    • http://www.gorillawalker.com/the-dark-room.pdf
    • http://www.gorillawalker.com/o-douro-illustrado-album-do-rio-douro-e-paiz-vinhateiro.pdf
    • http://www.gorillawalker.com/freaky-monday-paperback.pdf
    • http://www.gorillawalker.com/our-lives-as-torah-finding-god-in-our-stories.pdf
    • http://www.gorillawalker.com/handbook-of-metrology-encyclopedia-of-applied-physics.pdf
    • http://www.gorillawalker.com/terry-and-the-caterpillars-a-science-i-can-read-book.pdf
    • http://www.gorillawalker.com/the-potter-s-encyclopedia-of-color-form-and-decoration.pdf
    • http://www.gorillawalker.com/the-writer-s-harbrace-handbook-third-edition.pdf
    • http://www.gorillawalker.com/mermaids-in-paradise-a-novel-kindle-edition.pdf
    • http://www.gorillawalker.com/the-fund.pdf
    • http://www.gorillawalker.com/strategic-brand-engagement-using-hr-and-marketing-to-connect-your.pdf
    • http://www.gorillawalker.com/clovis-technology-archaeological-series.pdf
    • http://www.gorillawalker.com/kitchen-of-light-the-new-scandinavian-cooking.pdf
    • http://www.gorillawalker.com/international-marketing-2002-update.pdf
    • http://www.gorillawalker.com/more-than-a-game-life-lessons-from-philadelphia-s-sports.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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