Malicious PDF — malware analysis report

Static analysis result for SHA-256 54a208e8aba330d9…

MALICIOUS

PDF

43.6 KB Created: 2018-12-07 18:29:36 +03:00 Authoring application: dvips(k) 5.95a Copyright 2005 Radical Eye Software (via GPL Ghostscript 8.61) First seen: 2019-01-11
MD5: cbe0edf7c669148ac5aaaebeb5a06daf SHA-1: 7b51e48231c653e1981b7b4298c398569174b341 SHA-256: 54a208e8aba330d927e9f45aca76facce3b061f2bac76fda76b6e4595c9382d4
92 Risk Score

Malware Insights

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

The PDF contains multiple embedded URLs, with one specifically flagged by heuristics as an external URI. The ML classifier also identified the PDF as malicious. The presence of numerous links to PDFs on the same domain suggests a phishing or social engineering attempt to trick the user into downloading further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8223

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/religion-religionlessness-and-contemporary-western-culture-explorations-in-dietrich-bonhoeffer.pdf In PDF document text
    • http://www.gorillawalker.com/australia-road-atlas-travel-atlases.pdfIn PDF document text
    • http://www.gorillawalker.com/action-plan-for-combating-illegal-unreported-unregulated-fishing-seafood-fraud.pdfIn PDF document text
    • http://www.gorillawalker.com/the-billionaire-s-secret-mistress-part-2-contemporary-bwwm-romance.pdfIn PDF document text
    • http://www.gorillawalker.com/nearlyweds.pdfIn PDF document text
    • http://www.gorillawalker.com/assessing-open-and-distance-learners-open-and-flexible-learning-series.pdfIn PDF document text
    • http://www.gorillawalker.com/atp-world-tour-2010.pdfIn PDF document text
    • http://www.gorillawalker.com/fundamentals-of-earthquake-engineering.pdfIn PDF document text
    • http://www.gorillawalker.com/splash-5-best-of-watercolor-the-glory-of-color.pdfIn PDF document text
    • http://www.gorillawalker.com/the-development-of-hindu-iconography.pdfIn PDF document text
    • http://www.gorillawalker.com/adriaane-geuze-west-8-landscape-architects-colonizing-the-void.pdfIn PDF document text
    • http://www.gorillawalker.com/naoki-urasawa-s-20th-century-boys-vol-19.pdfIn PDF document text
    • http://www.gorillawalker.com/primate-tourism-a-tool-for-conservation.pdfIn PDF document text
    • http://www.gorillawalker.com/reading-how-to-innovators-in-education.pdfIn PDF document text
    • http://www.gorillawalker.com/the-golden-bridge-new-directions-in-the-human-animal-bond.pdfIn PDF document text
    • http://www.gorillawalker.com/best-of-marcus-miller-songbook-bass-recorded-versions-chinese-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/francais-litterature-methodes-french-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/seal-s-defiance-take-no-prisoners-book-7.pdfIn PDF document text
    • http://www.gorillawalker.com/obstetrics-normal-problem-pregnancies.pdfIn PDF document text
    • http://www.gorillawalker.com/infinite-ascent-a-short-history-of-mathematics-modern-library-chronicles.pdfIn PDF document text
    • http://www.gorillawalker.com/sandman-the-thomas-family.pdfIn PDF document text
    • http://www.gorillawalker.com/the-new-far-west-and-the-old-far-east-being.pdfIn PDF document text
    • http://www.gorillawalker.com/cjs-hayward-the-complete-works-cjs-hayward-the-apocrypha-kindle.pdfIn PDF document text
    • http://www.gorillawalker.com/jet-lag-relief-it-s-about-time.pdfIn PDF document text
    • http://www.gorillawalker.com/she-wants-him-white-part-3-an-interracial-bdsm-story.pdfIn PDF document text
    • http://www.gorillawalker.com/praxis-ii-audiology-0342-exam-secrets-study-guide-praxis-ii.pdfIn PDF document text
    • http://www.gorillawalker.com/pipeline-design-for-installation-by-horizontal-directional-drilling.pdfIn PDF document text
    • http://www.gorillawalker.com/introduction-to-the-profession-of-counseling-5th-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/eu-justice-and-home-affairs-institutional-and-policy-development.pdfIn PDF document text
    • http://www.gorillawalker.com/mystic-and-the-midnight-ride-pony-club-secrets-book-1.pdfIn PDF document text
    • http://www.gorillawalker.com/freeway-rick-ross-the-untold-autobiography.pdfIn PDF document text
    • http://www.gorillawalker.com/remembrance-a-mediator-novel.pdfIn PDF document text
    • http://www.gorillawalker.com/the-cinema-in-leyton-and-leytonstone.pdfIn PDF document text
    • http://www.gorillawalker.com/victims-of-webcam-hacking-102-miss-teen-america-kindle-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/creepy-hollow-violet-s-story-books-1-2-3.pdfIn PDF document text
    • http://www.gorillawalker.com/the-turning-tide-helmsman-saga.pdfIn PDF document text
    • http://www.gorillawalker.com/child-discourse-language-thought-and-culture.pdfIn PDF document text
    • http://www.gorillawalker.com/the-biography-and-genealogy-of-captain-john-johnson-from-roxbury.pdfIn PDF document text
    • http://www.gorillawalker.com/battle-of-britain-voices.pdfIn PDF document text
    • http://www.gorillawalker.com/complexity-the-emerging-science-at-the-edge-of-order-and.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://www.aiim.org/pdfa/ns/extension/In PDF document text
    • http://www.aiim.org/pdfa/ns/schema#In PDF document text
    • http://www.aiim.org/pdfa/ns/property#In PDF document text
    • http://www.aiim.org/pdfa/ns/id/In PDF document text

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