Malicious PDF — malware analysis report

Static analysis result for SHA-256 e622e5557e0be201…

MALICIOUS

PDF

31.5 KB Created: 2020-01-03 01:15:57 +03:00 Authoring application: Adobe InDesign CS6 (Macintosh) (via Acrobat Distiller 10.1.12 (Macintosh))
MD5: 7e2a4273c010f279bb58bcb45233f5fe SHA-1: 58354cb08489a3adae677bd8ecf30ff266c7c666 SHA-256: e622e5557e0be2013ecd2e5da50b7d050d0e9d38858559254c2c00a227145b9a
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF documents on the domain 'gorillawalker.com'. The ML classifier also flagged the document as malicious. The presence of numerous links suggests an attempt to manipulate search engine results or to distribute a wide array of content, potentially including malicious payloads, through a link farm strategy.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8447

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/microsoft-excel-2010-beginning-student-manual.pdf
    • http://www.gorillawalker.com/cheri-s-taboo-collection-11.pdf
    • http://www.gorillawalker.com/introduction-to-wordstar.pdf
    • http://www.gorillawalker.com/catamount.pdf
    • http://www.gorillawalker.com/women-in-narcotics-anonymous-overcoming-stigma-and-shame-palgrave-pivot.pdf
    • http://www.gorillawalker.com/philippines-and-manila-nelles-map-english-french-and-german-edition.pdf
    • http://www.gorillawalker.com/the-last-democrats-how-america-fought-and-lost-the-war.pdf
    • http://www.gorillawalker.com/strategies-tactics-for-the-finz-multistate-method-third-edition-emmanuel.pdf
    • http://www.gorillawalker.com/seasonal-food-medicine.pdf
    • http://www.gorillawalker.com/css-the-missing-manual-missing-manuals.pdf
    • http://www.gorillawalker.com/gedalia-the-goldfish-who-wanted-to-be-just-like-the.pdf
    • http://www.gorillawalker.com/how-the-internet-works-8th-edition.pdf
    • http://www.gorillawalker.com/idiot-s-guides-physics.pdf
    • http://www.gorillawalker.com/notes-on-soyinka-s-lion-and-the-jewel-york-notes.pdf
    • http://www.gorillawalker.com/sawyer-the-lawmen-of-silver-creek-ranch-book-8-kindle.pdf
    • http://www.gorillawalker.com/seeds-of-time.pdf
    • http://www.gorillawalker.com/textbook-of-family-and-couples-therapy-clinical-applications.pdf
    • http://www.gorillawalker.com/the-many-facets-of-graph-theory-proceedings-of-the-conference.pdf
    • http://www.gorillawalker.com/i-invited-a-dragon-to-dinner-and-other-poems-to.pdf
    • http://www.gorillawalker.com/our-island-story.pdf
    • http://www.gorillawalker.com/hydroplanes-full-throttle.pdf
    • http://www.gorillawalker.com/numerical-recipes-in-fortran-77-the-art-of-scientific-computing.pdf
    • http://www.gorillawalker.com/how-to-get-dressed-survival-skills-book-2-kindle-edition.pdf
    • http://www.gorillawalker.com/les-derniers-jours-des-chefs-nazis-french-edition.pdf
    • http://www.gorillawalker.com/europe-by-rail-11th-paperback.pdf
    • http://www.gorillawalker.com/promise-of-joy-the-presidency-of-orrin-knox-advise-and.pdf
    • http://www.gorillawalker.com/commercial-refrigeration-for-air-conditioning-technicians.pdf
    • http://www.gorillawalker.com/give-me-your-tomorrow.pdf
    • http://www.gorillawalker.com/handbook-of-co-in-power-systems-energy-systems.pdf
    • http://www.gorillawalker.com/killing-defense-at-bridge.pdf
    • http://www.gorillawalker.com/berlin-in-the-cold-war-1948-1990-documents-on-british.pdf
    • http://www.gorillawalker.com/the-resilient-sector-the-state-of-nonprofit-america.pdf
    • http://www.gorillawalker.com/the-beauty-of-silence.pdf
    • http://www.gorillawalker.com/billy-goat-gruff-a-short-play-for-kids-kindle-edition.pdf
    • http://www.gorillawalker.com/archie-archives-volume-4-archie-archives-dark-horse.pdf
    • http://www.gorillawalker.com/heartbeat-berlin-liebe-ist-laut-german-edition.pdf
    • http://www.gorillawalker.com/summer-reading-renaissance-an-interactive-exhibits-approach.pdf
    • http://www.gorillawalker.com/rats-fun-care-books.pdf
    • http://www.gorillawalker.com/speaking-rights-to-power-constructing-political-will.pdf
    • http://www.gorillawalker.com/drawing-nature-for-the-absolute-beginner-a-clear-easy-guide.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/

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