Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf7594b44b7f2ebc…

MALICIOUS

PDF

45.6 KB Created: 2018-12-14 20:52:47 +03:00 Authoring application: Adobe InDesign CS4 (6.0.6) (via Mac OS X 10.9.1 Quartz PDFContext)
MD5: 4c9298b6adee859f2c4cfc78d5434fcd SHA-1: 5026de40109b6a169ab78cc8628c3b7d20ea5a61 SHA-256: cf7594b44b7f2ebc8e10386692ca8d92ce80d17f3621e292f2e37319ca66d8db
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier as malicious. It contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic, pointing to various documents on 'gorillawalker.com'. The document body is heavily obfuscated and does not provide clear textual content, but the presence of numerous external links suggests a potential redirection or SEO spamming attack. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8634

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/the-cook-and-housewives-manual.pdf
    • http://www.gorillawalker.com/washington-dc-pocket-map-travelvision-city-map.pdf
    • http://www.gorillawalker.com/the-best-of-christmas-in-my-heart-volume-2-timeless.pdf
    • http://www.gorillawalker.com/ichetucknee-sacred-waters.pdf
    • http://www.gorillawalker.com/two-stroke-cycle-engine-it-s-development-operation-and-design.pdf
    • http://www.gorillawalker.com/la-sociedad-econ-mica-de-guatemala-colecci-n-de-memorias.pdf
    • http://www.gorillawalker.com/regulation-of-health-case-studies-of-sweden-and-switzerland-developments.pdf
    • http://www.gorillawalker.com/a-blues-life-the-memoir-of-a-resolutely-obscure-manic.pdf
    • http://www.gorillawalker.com/oxford-handbook-of-obstetrics-and-gynaecology-oxford-handbook-series.pdf
    • http://www.gorillawalker.com/marriage-family-law-paperback.pdf
    • http://www.gorillawalker.com/of-rickshaws-and-rebellion-kindle-edition.pdf
    • http://www.gorillawalker.com/jewish-responses-to-persecution-1941-1942-documenting-life-and-destruction.pdf
    • http://www.gorillawalker.com/the-art-of-pebble-mosaics.pdf
    • http://www.gorillawalker.com/raspberry-pi-insider-guide.pdf
    • http://www.gorillawalker.com/the-mystery-of-the-portland-vase.pdf
    • http://www.gorillawalker.com/great-cities-of-the-world-vol-2-their-government-politics.pdf
    • http://www.gorillawalker.com/fever-pitch-love-lessons-book-2-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/inca-architecture-and-construction-at-ollantaytambo.pdf
    • http://www.gorillawalker.com/longitudinal-structural-equation-modeling-a-comprehensive-introduction-multivariate-applications-series.pdf
    • http://www.gorillawalker.com/pasta-recipes-mouth-watering-tried-and-tested-pasta-recipes-and.pdf
    • http://www.gorillawalker.com/beer-across-america-a-regional-guide-to-brewpubs-and-microbreweries.pdf
    • http://www.gorillawalker.com/low-carb-trying-to-cut-back-on-carbs-top-45.pdf
    • http://www.gorillawalker.com/eat-drink-nap-bringing-the-house-home.pdf
    • http://www.gorillawalker.com/author-101-bestselling-book-publicity-the-insider-s-guide-to.pdf
    • http://www.gorillawalker.com/the-thirty-years-war-a-sourcebook.pdf
    • http://www.gorillawalker.com/die-besten-hentai-manga-anime-tabu-sex-bilder-6-korsett.pdf
    • http://www.gorillawalker.com/forsaken-the-found-book-2.pdf
    • http://www.gorillawalker.com/fourth-piano-concerto-2-pno-reduction-composed-by-jean-williams.pdf
    • http://www.gorillawalker.com/on-the-roads-to-modernity-conscience-science-and-civilizations.pdf
    • http://www.gorillawalker.com/georgia-o-keeffe-legendary-american-painter-people-to-know.pdf
    • http://www.gorillawalker.com/electrical-engineering-materials-and-semiconductor-devices.pdf
    • http://www.gorillawalker.com/the-first-world-fantasy-convention-three-authors-remember.pdf
    • http://www.gorillawalker.com/rockhounding-nevada-rockhounding-series.pdf
    • http://www.gorillawalker.com/bienvenue-en-france-tome-1-episodes-1-13-french-edition.pdf
    • http://www.gorillawalker.com/use-of-hand-woodworking-tools.pdf
    • http://www.gorillawalker.com/spooky-short-stories.pdf
    • http://www.gorillawalker.com/queenside.pdf
    • http://www.gorillawalker.com/romance-the-highlander-s-heiress-highlander-historical-mail-order-bride.pdf
    • http://www.gorillawalker.com/biochemistry-applied-to-beer-brewing-general-chemistry-of-the-raw.pdf
    • http://www.gorillawalker.com/cancer-vaccines-methods-and-protocols-methods-in-molecular-biology.pdf
    • http://www.gorillawalker.com
    • 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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