Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd0203f62542060a…

MALICIOUS

PDF

43.5 KB Created: 2018-12-15 08:10:59 +03:00 Authoring application: Acrobat PDFMaker 11 for Word (via Acrobat Distiller 11.0 (Windows))
MD5: bca6c038350bcfc4b3d1fc4eb8325850 SHA-1: 2d70089442f108e8520910676df9dd645dd25751 SHA-256: bd0203f62542060ad6f2dc562f86f2c565eeb99d312efc3a56a2c2082874dd15
90 Risk Score

Malware Insights

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

The PDF was flagged by a machine learning classifier and contains a large number of embedded URLs, indicating a potential link farm or distribution point for malicious content. The heuristic PDF_SEO_LINK_FARM specifically identifies this behavior, suggesting the document's primary purpose is to manipulate search engine results or redirect users to other sites. No scripts were extracted, limiting further analysis of direct payload execution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8683

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/upskilling-ed-clinical-nurse-specialists-the-employment-and-training-off.pdf
    • http://www.gorillawalker.com/dictionary-of-english-word-roots-english-roots-and-roots-english.pdf
    • http://www.gorillawalker.com/zasavje-a-z-prirocnik-za-popotnika-in-poslovnega-cloveka-slovenija.pdf
    • http://www.gorillawalker.com/animator-the-coolest-jobs-on-the-planet.pdf
    • http://www.gorillawalker.com/emily-bront-wuthering-heights-analysing-texts.pdf
    • http://www.gorillawalker.com/poetic-meter-and-poetic-form.pdf
    • http://www.gorillawalker.com/the-sabbath-journal-of-judith-lomax-aar-texts-and-translations.pdf
    • http://www.gorillawalker.com/whistling-vivaldi-how-stereotypes-affect-us-and-what-we-can.pdf
    • http://www.gorillawalker.com/freedom-from-headache.pdf
    • http://www.gorillawalker.com/asymmetric-passive-components-in-microwave-integrated-circuits-wiley-series-in.pdf
    • http://www.gorillawalker.com/cartoon-360-secrets-to-drawing-cartoon-people.pdf
    • http://www.gorillawalker.com/social-anxiety-disorder-advances-in-psychotherapy-evidence-based-practice.pdf
    • http://www.gorillawalker.com/great-women-of-pioneer-america-we-the-people-expansion-and.pdf
    • http://www.gorillawalker.com/the-river-and-the-gauntlet-defeat-of-the-eighth-army.pdf
    • http://www.gorillawalker.com/remember-how-i-told-you-i-loved-you.pdf
    • http://www.gorillawalker.com/meshfree-methods-for-partial-differential-equations-vi-lecture-notes-in.pdf
    • http://www.gorillawalker.com/the-presbyterian-way-of-life.pdf
    • http://www.gorillawalker.com/limnology-of-paradise-lake-june-october-1979.pdf
    • http://www.gorillawalker.com/dental-supreme-solved-question-papers-of-pedodontics-and-preventive-dentistry.pdf
    • http://www.gorillawalker.com/the-case-files-of-the-oriental-sleuths-charlie-chan-mr.pdf
    • http://www.gorillawalker.com/iis-6-administration.pdf
    • http://www.gorillawalker.com/mazin-grace.pdf
    • http://www.gorillawalker.com/moby-dickhead-or-the-white-zombie-whale-he-s-a.pdf
    • http://www.gorillawalker.com/the-fishes-life-nature-library.pdf
    • http://www.gorillawalker.com/matrix-theory-of-photoelasticity-springer-series-in-optical-sciences.pdf
    • http://www.gorillawalker.com/justified-by-faith-alone.pdf
    • http://www.gorillawalker.com/bridges-design-for-improved-buildability-ciria-publication.pdf
    • http://www.gorillawalker.com/mythic-2.pdf
    • http://www.gorillawalker.com/fire-trucks-machines-at-work.pdf
    • http://www.gorillawalker.com/red-dog.pdf
    • http://www.gorillawalker.com/the-medieval-christian-philosophers-an-introduction.pdf
    • http://www.gorillawalker.com/children-a-pictorial-archive-from-nineteenth-century-sources-240-copyright.pdf
    • http://www.gorillawalker.com/high-yield-internal-medicine-board-exam-pearls.pdf
    • http://www.gorillawalker.com/textbook-of-pathology-with-pathology-quick-review-and-mcqs-6.pdf
    • http://www.gorillawalker.com/mastering-intensive-short-term-dynamic-psychotherapy-a-roadmap-to-the.pdf
    • http://www.gorillawalker.com/capital-and-interest-the-collected-works-of-f-a-hayek.pdf
    • http://www.gorillawalker.com/journey-along-the-delaware-lackawanna-western-railroad-pictorial-history-of.pdf
    • http://www.gorillawalker.com/manual-of-laboratory-and-diagnostic-tests-for-pda-powered-by.pdf
    • http://www.gorillawalker.com/online-boys-2016-calendar.pdf
    • http://www.gorillawalker.com/the-constitutionalization-of-european-private-law-xxii-2-collected-courses.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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