Malicious PDF — malware analysis report

Static analysis result for SHA-256 fcde6453bd8f18de…

MALICIOUS

PDF

35.0 KB Created: 2020-02-19 11:21:32 +03:00 Authoring application: Acrobat PDFMaker 9.1 для Word (via Adobe PDF Library 9.0)
MD5: 981992ed5421594d3b8b76133a751ead SHA-1: 7c9bbfb91ce266c7651af9119f2f553da412eeb2 SHA-256: fcde6453bd8f18de24393cd55b3dc7f8c4c81e0196dfc44548515c98533804f9
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier as malicious. It contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The document body is heavily obfuscated and does not provide clear textual lures. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8255

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-sound-of-music-fingerstyle-guitar.pdf
    • http://www.gorillawalker.com/the-ghosts-who-travel-with-me-a-literary-pilgrimage-through.pdf
    • http://www.gorillawalker.com/when-love-is-found-a-wedding-liturgy-preparation-resource-for.pdf
    • http://www.gorillawalker.com/the-euro-consequences-for-the-consumer-and-the-citizen.pdf
    • http://www.gorillawalker.com/the-united-kingdom-s-strategy-for-countering-international-terrorism-cm.pdf
    • http://www.gorillawalker.com/lisa-loeb-nine-stories-tails.pdf
    • http://www.gorillawalker.com/florida-construction-law-construction-law-library.pdf
    • http://www.gorillawalker.com/system-modelling-and-optimization-proceedings-of-the-15th-ifip-conference.pdf
    • http://www.gorillawalker.com/quick-reference-neuroscience-for-rehabilitation-professionals-the-essential-neurologic-principles.pdf
    • http://www.gorillawalker.com/promoting-health-preventing-disease-the-environment-challenge.pdf
    • http://www.gorillawalker.com/peasants-against-globalization-rural-social-movements-in-costa-rica.pdf
    • http://www.gorillawalker.com/two-one-ecstasy.pdf
    • http://www.gorillawalker.com/sub-tropical-rambles-in-the-land-of-the-aphanapteryx-personal.pdf
    • http://www.gorillawalker.com/complete-tales-poems-of-edgar-allan-poe.pdf
    • http://www.gorillawalker.com/hard-lessons-a-learning-experience-book-2-kindle-edition.pdf
    • http://www.gorillawalker.com/nature-crafts-creative-kids.pdf
    • http://www.gorillawalker.com/grassroots-for-hire-public-affairs-consultants-in-american-democracy-business.pdf
    • http://www.gorillawalker.com/dressage-an-introduction-pelham-horsemaster-series.pdf
    • http://www.gorillawalker.com/mass-spectrometry-in-grape-and-wine-chemistry.pdf
    • http://www.gorillawalker.com/geomancy-in-theory-practice.pdf
    • http://www.gorillawalker.com/outlook-of-natural-gas-lp-gas-industry-gas-energy-body.pdf
    • http://www.gorillawalker.com/live-wire-151-summer-2015-heartshaper-children-146-s-curriculum.pdf
    • http://www.gorillawalker.com/simon-stephens-a-working-diary.pdf
    • http://www.gorillawalker.com/mcat-verbal-reasoning-mathematical-techniques-examkrackers.pdf
    • http://www.gorillawalker.com/the-kid-s-microwave-cookbook-nitty-gritty-cookbooks.pdf
    • http://www.gorillawalker.com/the-history-of-the-five-indian-nations-cornell-paperbacks.pdf
    • http://www.gorillawalker.com/paper-tags-and-cards-paper-magic-millbrook.pdf
    • http://www.gorillawalker.com/mason-steam-locomotives.pdf
    • http://www.gorillawalker.com/temples-tombs-and-hieroglyphs-a-popular-history-of-ancient-egypt.pdf
    • http://www.gorillawalker.com/marshall-mcluhan-the-medium-and-the-messenger.pdf
    • http://www.gorillawalker.com/the-decision-tree-taking-control-of-your-health-in-the.pdf
    • http://www.gorillawalker.com/between-the-sea-and-sky.pdf
    • http://www.gorillawalker.com/jungfraujoch-top-of-europe-jungfrau-railway-experience-english-and-german.pdf
    • http://www.gorillawalker.com/greyhound-racing-for-the-serious-player.pdf
    • http://www.gorillawalker.com/the-supreme-court-reborn-the-constitutional-revolution-in-the-age.pdf
    • http://www.gorillawalker.com/cannabis-evolution-and-ethnobotany.pdf
    • http://www.gorillawalker.com/the-gazer-s-spirit-poems-speaking-to-silent-works-of.pdf
    • http://www.gorillawalker.com/obsession-with-cigar-box-guitars-an-120-great-hand-built.pdf
    • http://www.gorillawalker.com/the-invention-of-autonomy-a-history-of-modern-moral-philosophy.pdf
    • http://www.gorillawalker.com/new-york-rangers-greatest-moments-and-players.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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