Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f8e25366e672dc3…

MALICIOUS

PDF

46.0 KB Created: 2019-02-14 08:13:30 +03:00 Authoring application: PDFCreator Version 1.5.1 (via GPL Ghostscript 9.05)
MD5: be251bf4b54e6784155148134ea32d78 SHA-1: 03f09d1fc90179cc696525aba9266fa71a90237d SHA-256: 0f8e25366e672dc3dbece5f2227ffec6dcf43d88fa6cd53054e8098a95b6ac2c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the 'PDF_SEO_LINK_FARM' heuristic. These links point to various PDF documents on the 'gorillawalker.com' domain. The ML classifier also flagged this PDF as malicious. The primary purpose appears to be SEO manipulation or potentially distributing further malicious content through these links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8974

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/quintet-don-basilio-cosa-veggo-no-15-from-il-barbiere.pdf
    • http://www.gorillawalker.com/story-of-the-blues.pdf
    • http://www.gorillawalker.com/dear-theodora-victorian-bookshelf-series.pdf
    • http://www.gorillawalker.com/500-fun-little-toys-to-crochet-knit-felt-sew.pdf
    • http://www.gorillawalker.com/avoiding-common-pilot-errors-an-air-traffic-controller-s-view.pdf
    • http://www.gorillawalker.com/the-ring-of-the-nibelung.pdf
    • http://www.gorillawalker.com/the-wicked-waltz-and-other-scandalous-dances-outrage-at-couple.pdf
    • http://www.gorillawalker.com/the-accounting-book-kindle-edition.pdf
    • http://www.gorillawalker.com/a-la-recherche-d-un-corps-langage-et-silence-dans.pdf
    • http://www.gorillawalker.com/among-penguins-a-bird-man-in-antarctica.pdf
    • http://www.gorillawalker.com/a-history-of-latin-literature.pdf
    • http://www.gorillawalker.com/matt-mercury-plot-of-the-galactic-mastermind-unabridged-audible-audio.pdf
    • http://www.gorillawalker.com/chameleon-totally-five-star.pdf
    • http://www.gorillawalker.com/it-s-all-free-for-seniors-cash-sources-and-free.pdf
    • http://www.gorillawalker.com/chemical-process-analysis-and-synthesis-chinese-edition.pdf
    • http://www.gorillawalker.com/improving-behaviour-through-therapeutic-approaches-research-into-practice-in-nottingham.pdf
    • http://www.gorillawalker.com/excolopolis-poles-of-enforcement-volume-1.pdf
    • http://www.gorillawalker.com/natural-products-isolation-separation-methods-for-antimicrobials-antivirals-and-enzyme.pdf
    • http://www.gorillawalker.com/50-activities-for-developing-management-skills-fifty-activities-for-developing.pdf
    • http://www.gorillawalker.com/the-end-of-the-roman-republic-146-to-44-bc.pdf
    • http://www.gorillawalker.com/the-rough-guide-to-thailand-s-beaches-and-islands-rough.pdf
    • http://www.gorillawalker.com/the-oil-painting-course-step-by-step.pdf
    • http://www.gorillawalker.com/vector-optimization-with-infimum-and-supremum.pdf
    • http://www.gorillawalker.com/crystallographic-and-structural-data-i-kristallographische-und-strukturelle-daten-i.pdf
    • http://www.gorillawalker.com/effect-of-leading-edge-chord-extensions-on-the-aerodynamic-characteristics.pdf
    • http://www.gorillawalker.com/st-patrick-s-day-holiday-histories.pdf
    • http://www.gorillawalker.com/breaking-free-from-fear-40-minute-bible-studies.pdf
    • http://www.gorillawalker.com/traditional-old-english-british-recipes.pdf
    • http://www.gorillawalker.com/the-femboy-s-guide-to-winning-the-womanless-pageant-a.pdf
    • http://www.gorillawalker.com/the-solzhenitsyn-files-secret-soviet-documents-reveal-one-man-s.pdf
    • http://www.gorillawalker.com/ben-s-dr-dom-the-wilton-park-grand-hotel-5.pdf
    • http://www.gorillawalker.com/brown-foods-colors-we-eat.pdf
    • http://www.gorillawalker.com/christmas-the-merchant-of-bethlehem.pdf
    • http://www.gorillawalker.com/there-will-be-killing-a-novel-of-war-and-murder.pdf
    • http://www.gorillawalker.com/the-first-man-an-enlightened-journey.pdf
    • http://www.gorillawalker.com/shakespeare-mini-books.pdf
    • http://www.gorillawalker.com/e-study-guide-for-bone-loss-and-osteoporosis-by-sabrina.pdf
    • http://www.gorillawalker.com/a-handbook-for-travellers-in-france-being-a-guide-to.pdf
    • http://www.gorillawalker.com/porn-addiction-miracle-to-stop-watching-porn-and-start-enjoying.pdf
    • http://www.gorillawalker.com/the-consumer-s-amortization-guide.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/

Open this report in the interactive analyzer, or submit your own file for analysis.