Malicious PDF — malware analysis report

Static analysis result for SHA-256 d8deda16523ea6df…

MALICIOUS

PDF

43.7 KB Created: 2018-12-15 08:10:55 +03:00 Authoring application: Adobe InDesign CC 2017 (Macintosh) (via Adobe PDF Library 15.0)
MD5: 54b4729e0edeabdb8a72de28ef3d02c0 SHA-1: efa1bdec84c0286e078d1c35c5da29dc3b37f819 SHA-256: d8deda16523ea6dfba3e16e2114fb4c5250ebb0cf56a3ebf5804a9fd241d0ab8
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious File: Malicious PDF

The PDF contains a significant number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. This suggests the document is designed to redirect users to external resources, potentially for SEO manipulation or to serve as a distribution point for further malicious content. The ML classifier also flagged the PDF as malicious. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8683

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/unknown-the-unknown.pdf
    • http://www.gorillawalker.com/spices-the-story-of-spices-the-spices-described.pdf
    • http://www.gorillawalker.com/cobra-and-shelby-mustang-1962-2007-photo-archive-including-prototypes.pdf
    • http://www.gorillawalker.com/textiles-from-the-andes.pdf
    • http://www.gorillawalker.com/ready-for-the-plaintiff-a-story-of-personal-injury-law.pdf
    • http://www.gorillawalker.com/coconut-oil-easy-homemade-solutions-for-beautiful-healthy-skin-using.pdf
    • http://www.gorillawalker.com/strange-cargo.pdf
    • http://www.gorillawalker.com/cooking-for-patients-with-colorectal-cancer-doctor-korean-edition.pdf
    • http://www.gorillawalker.com/alan-titchmarsh-how-to-garden-perennial-garden-plants.pdf
    • http://www.gorillawalker.com/the-striker-an-isaac-bell-adventure.pdf
    • http://www.gorillawalker.com/the-end-of-modernity-what-the-financial-and-environmental-crisis.pdf
    • http://www.gorillawalker.com/coupled-data-communication-techniques-for-high-performance-and-low-power.pdf
    • http://www.gorillawalker.com/nobody-s-princess-princesses-of-myth-kindle-edition.pdf
    • http://www.gorillawalker.com/britain-a-diverse-society-get-into-citizenship.pdf
    • http://www.gorillawalker.com/from-cannibal-land-being-a-narrative-of-a-journey-from.pdf
    • http://www.gorillawalker.com/the-faithful-scribe-a-story-of-islam-pakistan-family-and.pdf
    • http://www.gorillawalker.com/the-new-estate-insights-from-the-22nd-century.pdf
    • http://www.gorillawalker.com/physics-of-continuous-matter-second-edition-exotic-and-everyday-phenomena.pdf
    • http://www.gorillawalker.com/davis-s-drug-guide-for-nurses.pdf
    • http://www.gorillawalker.com/chemistry-of-nanostructured-materials.pdf
    • http://www.gorillawalker.com/the-international-atlas-world-latitudes-longitudes-and-time-changes-revised.pdf
    • http://www.gorillawalker.com/100-singing-games-old-new-and-adapted.pdf
    • http://www.gorillawalker.com/hitler-and-the-quest-for-world-domination.pdf
    • http://www.gorillawalker.com/aran-love-me-harder-alien-paranormal-romance.pdf
    • http://www.gorillawalker.com/amy-tan-people-to-know.pdf
    • http://www.gorillawalker.com/business-writing-that-counts.pdf
    • http://www.gorillawalker.com/the-defence-of-lucknow-t-f-wilson-s-memoir-of.pdf
    • http://www.gorillawalker.com/computergest-tzte-preispolitik-preisstrategische-entscheidungsmodelle-f-r-marketing-informationssysteme-schriften.pdf
    • http://www.gorillawalker.com/shattered-a-daughter-s-regret-secrets.pdf
    • http://www.gorillawalker.com/the-vision-glorious-themes-and-personalities-of-the-catholic-revival.pdf
    • http://www.gorillawalker.com/earthly-paradise-and-the-renaissance-epic.pdf
    • http://www.gorillawalker.com/the-interpretation-of-geological-phase-diagrams.pdf
    • http://www.gorillawalker.com/brownies-that-can-stop-time-sugar-and-science-kindle-edition.pdf
    • http://www.gorillawalker.com/first-aid-cpr-and-aed-essentials.pdf
    • http://www.gorillawalker.com/critical-essays-on-jerzy-kosinski-critical-essays-on-american-literature.pdf
    • http://www.gorillawalker.com/tristan-and-iseult-u-books.pdf
    • http://www.gorillawalker.com/texans-in-the-confederate-cavalry-civil-war-campaigns-and-commanders.pdf
    • http://www.gorillawalker.com/napoleons-art-of-war.pdf
    • http://www.gorillawalker.com/the-rituals-of-dinner-the-origins-evolution-eccentricities-and-meaning.pdf
    • http://www.gorillawalker.com/guidelines-for-microsoft-office-2013-guidelines-series.pdf
    • http://www.gorillawalker.com/coconut-oil-easy-homemade-solutions-for-bea
    • 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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