Malicious PDF — malware analysis report

Static analysis result for SHA-256 96c4d7e3b4deee53…

MALICIOUS

PDF

41.5 KB Created: 2019-02-15 09:00:48 +03:00 Authoring application: - (via Xerox Fiery DC250 2.0[EFI Cyclone])
MD5: 24207be413aa5d43b774ea324854c7b7 SHA-1: 7b652f25215017712827be3fef61cf663d94a99c SHA-256: 96c4d7e3b4deee53603c7967e3430a98c82f1fcb2e1f7b24d17bef6bd6fc2365
90 Risk Score

Malware Insights

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

The PDF was flagged by a machine learning classifier and contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute further malicious content. The document body is heavily obfuscated and does not provide clear textual lures. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9027

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/topological-properties-and-global-structure-of-space-time-advances-in.pdf
    • http://www.gorillawalker.com/elizabeth-falkner-s-demolition-desserts-recipes-from-citizen-cake.pdf
    • http://www.gorillawalker.com/healthy-holiday-gifts-from-the-kitchen-elegant-delicious-healthy-dishes.pdf
    • http://www.gorillawalker.com/roadside-geology-of-louisiana-roadside-geology-series.pdf
    • http://www.gorillawalker.com/the-ten-commandments-a-short-history-of-an-ancient-text.pdf
    • http://www.gorillawalker.com/praxis-der-therapeutischen-lokalan-sthesie-und-neuraltherapie-german-edition.pdf
    • http://www.gorillawalker.com/by-sherry-sontag-christopher-drew-blind-man-s-bluff-the.pdf
    • http://www.gorillawalker.com/the-future-of-childhood.pdf
    • http://www.gorillawalker.com/bear-pack-5-book-paranormal-werebear-shifter-erotic-romance-volume.pdf
    • http://www.gorillawalker.com/organizational-change-4th-edition.pdf
    • http://www.gorillawalker.com/simon-schuster-cryptic-treasury-series-1.pdf
    • http://www.gorillawalker.com/v-5-brashear-families-lower-mississippi-val.pdf
    • http://www.gorillawalker.com/the-new-method-for-afro-cuban-drumming-book-with-audio.pdf
    • http://www.gorillawalker.com/a-portrait-of-the-artist-as-a-young-man-cd.pdf
    • http://www.gorillawalker.com/strange-victory-hitler-s-conquest-of-france.pdf
    • http://www.gorillawalker.com/child-sexual-abuse-responding-to-the-experiences-of-children-wiley.pdf
    • http://www.gorillawalker.com/code-of-federal-regulations-title-14-aeronautics-and-space-pt.pdf
    • http://www.gorillawalker.com/great-american-wit-1000-humourous-quotes-remarks-one-liners-little.pdf
    • http://www.gorillawalker.com/almost-paradise-kindle-edition.pdf
    • http://www.gorillawalker.com/barbarossa-scourge-of-europe-heroes-and-warriors.pdf
    • http://www.gorillawalker.com/the-immersion-book-of-steampunk.pdf
    • http://www.gorillawalker.com/authors-and-artists-for-young-adults-vol-10.pdf
    • http://www.gorillawalker.com/the-sword-of-carthage-kindle-edition.pdf
    • http://www.gorillawalker.com/risk-value-and-default-world-scientific-series-in-finance.pdf
    • http://www.gorillawalker.com/a-parent-s-guide-to-dyslexia-and-other-learning-difficulties.pdf
    • http://www.gorillawalker.com/indian-scout-motorcycle-color-history.pdf
    • http://www.gorillawalker.com/top-gear-1977-2015-2000-copy-limited-edition-collection-editions.pdf
    • http://www.gorillawalker.com/the-kid-whose-mum-kept-possums-in-her-bra.pdf
    • http://www.gorillawalker.com/wife-poems.pdf
    • http://www.gorillawalker.com/bitshares-101-a-guidebook-on-how-to-profit-from-the.pdf
    • http://www.gorillawalker.com/pass-the-bread-a-world-of-difference.pdf
    • http://www.gorillawalker.com/young-architects-scale.pdf
    • http://www.gorillawalker.com/4-50-from-paddington.pdf
    • http://www.gorillawalker.com/electronic-instrument-handbook.pdf
    • http://www.gorillawalker.com/the-whole-craft-of-spinning-from-the-raw-material-to.pdf
    • http://www.gorillawalker.com/the-dedalus-book-of-surrealism-i-the-identity-of-things.pdf
    • http://www.gorillawalker.com/workbook-for-warren-s-small-animal-care-and-management-4th.pdf
    • http://www.gorillawalker.com/dead-man-s-fancy-a-sean-stranahan-mystery-sean-stranahan.pdf
    • http://www.gorillawalker.com/the-killing-of-karen-silkwood-the-story-behind-the-kerr.pdf
    • http://www.gorillawalker.com/duty-to-protect-love-inspired-suspense.pdf
    • http://www.gorillawalker.com/praxis-der-therapeutischen-lokalan-sthesie-und-neuraltherapie-germa
    • 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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