Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee61607da6c0568e…

MALICIOUS

PDF

41.4 KB Created: 2018-12-15 08:11:04 +03:00 Authoring application: doPDF Ver 7.2 Build 376 (Windows XP Professional Edition (SP 3) - Version: 5.1.2600 (x86))
MD5: 8dc8e13273f1721daf8940fcea57a83e SHA-1: 7be518bfd4aa1b39d0f76954fa1f42054a478658 SHA-256: ee61607da6c0568e025cace56776d43754c9b1de398166a07b367195bbf07094
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was not sufficiently readable to determine a specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

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/gilbert-american-flyer-instruction-book.pdf
    • http://www.gorillawalker.com/soul-mate-101-and-other-essays-on-love-and-sex.pdf
    • http://www.gorillawalker.com/psoriasis-at-your-fingertips.pdf
    • http://www.gorillawalker.com/mother-s-day.pdf
    • http://www.gorillawalker.com/the-wonder-that-was-india.pdf
    • http://www.gorillawalker.com/knock-knock-all-out-of-note-pad-with-magnet-red.pdf
    • http://www.gorillawalker.com/polymeric-materials-encyclopedia-twelve-volume-set.pdf
    • http://www.gorillawalker.com/canadian-first-nations-wall-calendar-2015.pdf
    • http://www.gorillawalker.com/seaside-mystery-9-magic-kitten.pdf
    • http://www.gorillawalker.com/the-transport-manager-s-and-operator-s-handbook-2008.pdf
    • http://www.gorillawalker.com/food-allergy-ilsi-europe-concise-monograph-series.pdf
    • http://www.gorillawalker.com/paleo-sauces-salad-dressings-dips-marinades-and-more-for-your.pdf
    • http://www.gorillawalker.com/the-giant-pop-rock-piano-sheet-music-collection-piano-vocal.pdf
    • http://www.gorillawalker.com/richard-scarry-s-readers-level-2-one-two-ah-choo.pdf
    • http://www.gorillawalker.com/regulation-of-commercial-space-transport-the-astrocizing-of-icao-springerbriefs.pdf
    • http://www.gorillawalker.com/digital-art-photos-of-children-s-handling-skills.pdf
    • http://www.gorillawalker.com/a-history-of-sicily.pdf
    • http://www.gorillawalker.com/henry-fothergill-chorley-victorian-journalist.pdf
    • http://www.gorillawalker.com/endangered-biodiversity-on-the-brink-fulcrum-press.pdf
    • http://www.gorillawalker.com/first-flight-flying-machines.pdf
    • http://www.gorillawalker.com/a-kid-named-cancer-a-story-about-a-bully-and.pdf
    • http://www.gorillawalker.com/the-vital-link-the-tanker-s-role-in-winning-america.pdf
    • http://www.gorillawalker.com/ten-frogs.pdf
    • http://www.gorillawalker.com/the-rhetoric-of-midwifery-gender-knowledge-and-power.pdf
    • http://www.gorillawalker.com/functional-equations-and-how-to-solve-them-studies-in-contemporary.pdf
    • http://www.gorillawalker.com/the-physics-of-sediment-transport-by-wind-and-water-a.pdf
    • http://www.gorillawalker.com/tolkien-in-pawneeland-the-secret-sources-of-middle-earth.pdf
    • http://www.gorillawalker.com/devising-in-process.pdf
    • http://www.gorillawalker.com/podemos-hablar-de-algo-m-s-agradable-kf8-spanish-edition.pdf
    • http://www.gorillawalker.com/neither-capitalism-nor-socialism-theories-of-bureaucratic-collectivism.pdf
    • http://www.gorillawalker.com/puppy-love-the-romantic-comedies.pdf
    • http://www.gorillawalker.com/kaze-hikaru-vol-13-kindle-edition.pdf
    • http://www.gorillawalker.com/documents-on-the-tokyo-international-military-tribunal-charter-indictment-and.pdf
    • http://www.gorillawalker.com/a-tour-of-c-c-in-depth-series-kindle-edition.pdf
    • http://www.gorillawalker.com/start-exploring-insects-a-fact-filled-coloring-book.pdf
    • http://www.gorillawalker.com/just-saying-wesleyan-poetry-series.pdf
    • http://www.gorillawalker.com/lion-in-the-bedroom.pdf
    • http://www.gorillawalker.com/copper-canyon.pdf
    • http://www.gorillawalker.com/manual-drive-trains-and-axles-textbook-w-job-sheets-on.pdf
    • http://www.gorillawalker.com/fatal-system-error-the-hunt-for-the-new-crime-lords.pdf
    • http://www.gorillawalker.com/canadian-first
    • 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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