Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f4d5d96f168e867…

MALICIOUS

PDF

45.4 KB Created: 2019-04-03 18:20:29 +03:00 Authoring application: AdobePS5.dll Version 5.0.1 (via Acrobat Distiller 4.0 for Windows)
MD5: 52f9e998cb602c99b1b4ce2616b4112b SHA-1: 931f2899ecc7b351cc8ce23ac448d46ed148dfeb SHA-256: 7f4d5d96f168e867eaa8a29fd9737ad44ab6fd025aba3762bb9d5d6ae201959c
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 websites, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML_NYX_PDF_MALICIOUS classifier also flagged the document as malicious. The embedded URLs are likely used for SEO manipulation or to redirect users to malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8173

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/garden-bouquets-2015-calendar-multilingual-edition.pdf
    • http://www.gorillawalker.com/monster-book-of-rock-guitar-tab-play-it-like-it.pdf
    • http://www.gorillawalker.com/typography-now-the-next-wave.pdf
    • http://www.gorillawalker.com/communicating-in-small-groups-principles-and-practices-9th-edition.pdf
    • http://www.gorillawalker.com/the-construction-worker.pdf
    • http://www.gorillawalker.com/minecraft-70-top-minecraft-house-redstone-ideas-exposed-special-2.pdf
    • http://www.gorillawalker.com/nuevas-lecturas-de-la-florida-del-inca-spanish-edition.pdf
    • http://www.gorillawalker.com/blood-and-belief-the-circulation-of-a-symbol-between-jews.pdf
    • http://www.gorillawalker.com/scientific-advisory-system-minutes-of-evidence-wednesday-14-april-1999.pdf
    • http://www.gorillawalker.com/comparative-public-budgeting-a-global-perspective.pdf
    • http://www.gorillawalker.com/chugoku-1920-nendai-no-tao-jingsun-model-japanese-edition-kindle.pdf
    • http://www.gorillawalker.com/ghost-and-horror-stories-of-ambrose-bierce.pdf
    • http://www.gorillawalker.com/dale-earnhardt-jr-nascar-drivers-coloring-sticker-book.pdf
    • http://www.gorillawalker.com/eminem-and-the-detroit-rap-scene-white-kid-in-a.pdf
    • http://www.gorillawalker.com/civil-war-on-consumer-rights.pdf
    • http://www.gorillawalker.com/bmx-challenge-jake-maddox-sports-stories.pdf
    • http://www.gorillawalker.com/mastering-fireworks-smashing-ebooks-book-33-kindle-edition.pdf
    • http://www.gorillawalker.com/xxxpleasures-wet-kisses.pdf
    • http://www.gorillawalker.com/big-english-plus-3-pupil-s-book.pdf
    • http://www.gorillawalker.com/higher-judo-groundwork.pdf
    • http://www.gorillawalker.com/the-far-country.pdf
    • http://www.gorillawalker.com/coast-to-coast-the-grass-roots-of-new-zealand-rugby.pdf
    • http://www.gorillawalker.com/functional-disorders-and-medically-unexplained-symptoms-assessment-and-treatment.pdf
    • http://www.gorillawalker.com/the-center-cannot-hold-the-1960-presidential-election-and-the.pdf
    • http://www.gorillawalker.com/one-month-to-love-thirty-days-to-grow-and-deepen.pdf
    • http://www.gorillawalker.com/edexcel-certificate-international-gcse-chemistry-exam-practice-workbook-with-answers.pdf
    • http://www.gorillawalker.com/start-bee-learning-lightbox-dyslexic-foundation-stage-pre-school-kindergarten.pdf
    • http://www.gorillawalker.com/el-mono-inmaduro-spanish-edition.pdf
    • http://www.gorillawalker.com/old-testament-exegesis-a-guide-to-the-methodology-second-edition.pdf
    • http://www.gorillawalker.com/in-the-common-defense-national-security-law-for-perilous-times.pdf
    • http://www.gorillawalker.com/how-to-read-the-bible-with-understanding.pdf
    • http://www.gorillawalker.com/born-in-blood-the-lost-secrets-of-freemasonry.pdf
    • http://www.gorillawalker.com/delectably-undone-a-scandalous-liaison-pleasured-by-the-viking-the.pdf
    • http://www.gorillawalker.com/bigger-gender-bender-bundle.pdf
    • http://www.gorillawalker.com/stealth-racing-running-strategy-your-coach-doesn-t-know.pdf
    • http://www.gorillawalker.com/beauty-s-daughter-the-story-of-hermione-and-helen-of.pdf
    • http://www.gorillawalker.com/remembering-nguyen.pdf
    • http://www.gorillawalker.com/the-faerie-path-lamia-s-revenge-1-the-serpent-awakes.pdf
    • http://www.gorillawalker.com/the-primary-source-and-true-foundation-of-rastafari-the-holy.pdf
    • http://www.gorillawalker.com/the-world-of-private-banking-studies-in-banking-and-financial.pdf
    • http://www.gorillawalker.com/min
    • 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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