Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7d0974bad8cd629…

MALICIOUS

PDF

41.2 KB Created: 2018-12-07 18:28:14 +03:00 Authoring application: Writer (via OpenOffice.org 2.4)
MD5: 306c55c43c222cd232e51a3f72823753 SHA-1: e7430462aa73ae0635dffbf2bc9bf633e1473562 SHA-256: d7d0974bad8cd629931b26ab3192ff95952ad4c1062b353811b1456d40e625da
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 distribute malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

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/living-abroad-in-spain.pdf
    • http://www.gorillawalker.com/polovetsian-dances-from-prince-igor-sheet.pdf
    • http://www.gorillawalker.com/antigone-bryn-mawr-commentaries-greek.pdf
    • http://www.gorillawalker.com/the-path-between-the-seas-the-creation-of-the-panama.pdf
    • http://www.gorillawalker.com/comic-books-how-the-industry-works-english-and-english-edition.pdf
    • http://www.gorillawalker.com/dori-sanders-country-cooking-recipes-and-stories-from-the-family.pdf
    • http://www.gorillawalker.com/victory-in-christ-lifechange-books.pdf
    • http://www.gorillawalker.com/heide-hatry-not-a-rose.pdf
    • http://www.gorillawalker.com/brethren-of-the-coast-volume-1.pdf
    • http://www.gorillawalker.com/the-thracians-700-bc-ad-46-men-at-arms.pdf
    • http://www.gorillawalker.com/delaying-the-game-lorimer-sports-stories.pdf
    • http://www.gorillawalker.com/cutting-hair-the-vidal-sassoon-way-revised-edition.pdf
    • http://www.gorillawalker.com/beijing-olympic-games-and-paralympic-public-reader-chinese-edition.pdf
    • http://www.gorillawalker.com/microbiology-laboratory-theory-and-application-third-edition.pdf
    • http://www.gorillawalker.com/ships-and-seamanship-in-the-ancient-world.pdf
    • http://www.gorillawalker.com/the-doctor-is-in-bubble-guppies-little-golden-book.pdf
    • http://www.gorillawalker.com/a-book-of-welsh-bakestone-cookery-traditional-recipes-form-the.pdf
    • http://www.gorillawalker.com/embryology-of-the-vivparous-insects.pdf
    • http://www.gorillawalker.com/the-devil-fucked-my-ass-gay-demonic-paranormal-erotica.pdf
    • http://www.gorillawalker.com/clinical-decision-making-in-mental-health-practice.pdf
    • http://www.gorillawalker.com/the-communist-manifesto-complete-version-manifesto-of-the-communist-party.pdf
    • http://www.gorillawalker.com/south-of-dordogne-an-etravellers-guide-kindle-edition.pdf
    • http://www.gorillawalker.com/airway-management-in-emergencies-red-and-white-emergency-medicine-series.pdf
    • http://www.gorillawalker.com/the-three-little-pigs-big-book.pdf
    • http://www.gorillawalker.com/walking-dead-2003-series-66.pdf
    • http://www.gorillawalker.com/cielito-lindo-conductor-score-parts-eighth-note-publications.pdf
    • http://www.gorillawalker.com/progress-in-rural-geography-routledge-revivals.pdf
    • http://www.gorillawalker.com/the-united-states-in-asia.pdf
    • http://www.gorillawalker.com/fibre-optics-theory-and-applications.pdf
    • http://www.gorillawalker.com/concepts-of-normality-the-autistic-and-typical-spectrum.pdf
    • http://www.gorillawalker.com/protestantism-a-very-short-introduction.pdf
    • http://www.gorillawalker.com/baby-beluga-a-musical-revue-featuring-songs-by-raffi-expressive.pdf
    • http://www.gorillawalker.com/the-stormy-petrel.pdf
    • http://www.gorillawalker.com/prussian-cavalry-uniforms-of-the-seven-years-war-dragoons-and.pdf
    • http://www.gorillawalker.com/warriner-s-english-grammar-and-composition.pdf
    • http://www.gorillawalker.com/the-floor-of-heaven-a-true-tale-of-the-last.pdf
    • http://www.gorillawalker.com/the-roman-market-economy-the-princeton-economic-history-of-the.pdf
    • http://www.gorillawalker.com/selected-poems-poesia-selecta-pioneers-of-modern-us-hispanic-literature.pdf
    • http://www.gorillawalker.com/lethal-game-biological-response-team.pdf
    • http://www.gorillawalker.com/invertebrate-zoology-a-functional-evolutionary-approach.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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