Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0b1e3074587d3f2…

MALICIOUS

PDF

31.9 KB Created: 2019-11-10 05:17:51 +03:00 Authoring application: Microsoft Word (via Mac OS X 10.6.8 Quartz PDFContext)
MD5: 538fc91fa4dea8ee0805ee87b533fdeb SHA-1: b45e3ada8332e9ff6103809a346c816631bc968d SHA-256: a0b1e3074587d3f22a67550ef0c9965e562225f150a4532e0389be149584fd92
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 PDF files, a technique often used for SEO manipulation or to host malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8447

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/re-labeling-linguistic-inquiry-monographs.pdf
    • http://www.gorillawalker.com/anatomy-for-strength-and-fitness-training-for-speed-and-sport.pdf
    • http://www.gorillawalker.com/valentines-day-recipes-quick-and-easy-gourmet-food-to-set.pdf
    • http://www.gorillawalker.com/legal-opinions-concerning-the-church-of-england.pdf
    • http://www.gorillawalker.com/deeds-for-california-real-estate-5th-edition.pdf
    • http://www.gorillawalker.com/instruction-of-students-with-severe-disabilities-pearson-new-international-edition.pdf
    • http://www.gorillawalker.com/singularities-technoculture-transhumanism-and-science-fiction-in-the-21st-century.pdf
    • http://www.gorillawalker.com/welcher-pilz-ist-das-170-pilze-einfach-bestimmen.pdf
    • http://www.gorillawalker.com/histoires-d-une-mer-au-sahara-utopies-et-politiques-collection.pdf
    • http://www.gorillawalker.com/venetian-epigrams-translations-from-goethe.pdf
    • http://www.gorillawalker.com/the-encyclopedia-of-the-taryag-mitzvoth-vol-1.pdf
    • http://www.gorillawalker.com/the-courage-to-cold-call-getting-appointments-kindle-edition.pdf
    • http://www.gorillawalker.com/problem-solving-survival-guide-volume-ii-chapters-15-24-to.pdf
    • http://www.gorillawalker.com/a-foodie-fashionista-s-guide-to-london.pdf
    • http://www.gorillawalker.com/street-art-of-the-new-egypt-calendar-2013.pdf
    • http://www.gorillawalker.com/from-quarks-to-black-holes-interviewing-the-universe.pdf
    • http://www.gorillawalker.com/management-of-transportation.pdf
    • http://www.gorillawalker.com/rabindranath-tagore-an-illustrated-life.pdf
    • http://www.gorillawalker.com/mutha-is-half-a-word-intersections-of-folklore-vernacular-myth.pdf
    • http://www.gorillawalker.com/message-on-the-wind-a-spiritual-odyssey-on-the-northern.pdf
    • http://www.gorillawalker.com/botanical-pesticides-in-the-management-of-post-harvest-fruit-diseases.pdf
    • http://www.gorillawalker.com/how-images-think.pdf
    • http://www.gorillawalker.com/the-dancing-goddesses-folklore-archaeology-and-the-origins-of-european.pdf
    • http://www.gorillawalker.com/how-to-write-a-love-letter-putting-your-emotions-on.pdf
    • http://www.gorillawalker.com/external-sourcing-outsourcing-of-business-you-do-chinese-edition.pdf
    • http://www.gorillawalker.com/playing-with-fire-dark-erotic-romance-gay-fantasy-by-sean.pdf
    • http://www.gorillawalker.com/hogfather.pdf
    • http://www.gorillawalker.com/best-of-irish-potato-recipes.pdf
    • http://www.gorillawalker.com/scud-the-disposable-assassin-the-whole-shebang-scud-the-disposable.pdf
    • http://www.gorillawalker.com/revelation-new-testament-readings.pdf
    • http://www.gorillawalker.com/as-habl-zaratustra-el-manga-spanish-edition.pdf
    • http://www.gorillawalker.com/arquitectura-ecologica-spanish-edition.pdf
    • http://www.gorillawalker.com/the-log-from-the-sea-of-cortez-the-narrative-portion.pdf
    • http://www.gorillawalker.com/across-the-rivers-of-portugal-a-journey-on-foot-from.pdf
    • http://www.gorillawalker.com/science-versus-crime-essentials-of-forensic-science.pdf
    • http://www.gorillawalker.com/doubles-tennis-tactics-book-dvd.pdf
    • http://www.gorillawalker.com/applied-mathematical-and-physical-formulas-pocket-reference.pdf
    • http://www.gorillawalker.com/the-making-of-a-bestseller-success-stories-from-authors-and.pdf
    • http://www.gorillawalker.com/from-the-pinnacle-of-the-temple.pdf
    • http://www.gorillawalker.com/analytic-function-theory-volume-ii.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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