Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e82e53255734b1e…

MALICIOUS

PDF

44.1 KB Created: 2018-11-26 20:03:31 +03:00 Authoring application: Adobe InDesign CC 2014 (Windows) (via Adobe PDF Library 11.0)
MD5: a6ab71f92d68b9d19e677ebe0d017843 SHA-1: 206d383330fbe3074c4268024b16cde9b292df8e SHA-256: 4e82e53255734b1ec2e1cc31bc1318d1eb9d870c56336c56e6a25357e5673c69
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML_NYX_PDF_MALICIOUS classifier also flagged the document with high confidence. The document body is heavily obfuscated and unreadable, suggesting it is not intended for human consumption but rather to host these links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9171

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/a-hedonist-s-guide-to-rome.pdf
    • http://www.gorillawalker.com/e-books-in-academic-libraries-chandos-information-professional-paperback-2010.pdf
    • http://www.gorillawalker.com/blood-torn-blackthorn-book-3-kindle-edition.pdf
    • http://www.gorillawalker.com/oberiu-an-anthology-of-russian-absurdism-european-classics.pdf
    • http://www.gorillawalker.com/aprende-ingles-en-siete-dias-spanish-edition.pdf
    • http://www.gorillawalker.com/the-complete-beginner-s-guide-to-swimming.pdf
    • http://www.gorillawalker.com/great-doctrines-of-the-bible-volume-3-ecclesiology.pdf
    • http://www.gorillawalker.com/czarnezki-s-everyday-environmentalism-law-nature-and-individual-behavior-coursebook.pdf
    • http://www.gorillawalker.com/official-lsat-preptest-58-publisher-law-school-admission-council.pdf
    • http://www.gorillawalker.com/the-universe-a-voyage-through-space-and-time.pdf
    • http://www.gorillawalker.com/50-winning-duplicate-tips-for-the-improving-tournament-player-master.pdf
    • http://www.gorillawalker.com/aquatic-entomology-the-fisherman-s-and-ecologist-s-illustrated-guide.pdf
    • http://www.gorillawalker.com/lonely-planet-santa-fe-taos-lonely-planet.pdf
    • http://www.gorillawalker.com/spectacular-bodies-the-art-and-science-of-the-human-body.pdf
    • http://www.gorillawalker.com/community-dances-manual.pdf
    • http://www.gorillawalker.com/following-the-trend-diversified-managed-futures-trading-wiley-trading-by.pdf
    • http://www.gorillawalker.com/caucasian-chalk-circle-the.pdf
    • http://www.gorillawalker.com/epoxy-resins-curing-agents-compounds-and-modifiers-second-edition-second.pdf
    • http://www.gorillawalker.com/language-and-the-phenomenological-reductions-of-edmund-husserl-phaenomenologica.pdf
    • http://www.gorillawalker.com/seduced-by-blood.pdf
    • http://www.gorillawalker.com/look-baby-disney-baby.pdf
    • http://www.gorillawalker.com/memorias-del-coronel-juan-cris-stomo-centuri-n-sea-reminiscencias.pdf
    • http://www.gorillawalker.com/progress-in-optics-volume-50.pdf
    • http://www.gorillawalker.com/understanding-options.pdf
    • http://www.gorillawalker.com/human-and-social-sciences-for-the-new-nation-gr-7.pdf
    • http://www.gorillawalker.com/securities-regulation-keyed-to-courses-using-cox-hillman-and-langevoort.pdf
    • http://www.gorillawalker.com/app-savvy-turning-ideas-into-ipad-and-iphone-apps-customers.pdf
    • http://www.gorillawalker.com/impossibility-in-modern-private-law-a-comparative-study-of-german.pdf
    • http://www.gorillawalker.com/miles-to-go-the-lost-years.pdf
    • http://www.gorillawalker.com/please-eat-a-mother-s-struggle-to-free-her-teenage.pdf
    • http://www.gorillawalker.com/asset-protection-strategies-business-practice-library-v-1-2-with.pdf
    • http://www.gorillawalker.com/the-mountains-of-the-moon.pdf
    • http://www.gorillawalker.com/q-e-d-beauty-in-mathematical-proof-wooden-books.pdf
    • http://www.gorillawalker.com/the-great-outdoors-scroll-saw-fretwork-patterns-fine-line-design.pdf
    • http://www.gorillawalker.com/pride-of-india.pdf
    • http://www.gorillawalker.com/it-s-the-little-things-the-everyday-interactions-that-get.pdf
    • http://www.gorillawalker.com/dna-replication.pdf
    • http://www.gorillawalker.com/how-to-do-verbal-reasoning-a-step-by-step-guide.pdf
    • http://www.gorillawalker.com/the-temple-of-shamanic-witchcraft-shadows-spirits-and-the-healing.pdf
    • http://www.gorillawalker.com/kindermeditation-im-grundschulalter-minimedi-1-german-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/blood-torn-blackthorn-book-3-kindle-e
    • 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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