Malicious PDF — malware analysis report

Static analysis result for SHA-256 30ead2d4dba13ac6…

MALICIOUS

PDF

43.8 KB Created: 2019-04-14 09:48:56 +03:00 Authoring application: PScript5.dll Version 5.2.2 (via Mac OS X 10.8.4 Quartz PDFContext)
MD5: 79fe79da891e01b0fb318d0b7415dfc8 SHA-1: 4078b4044bc44fa90f7e3d37fb02a0778035d519 SHA-256: 30ead2d4dba13ac640a56a18f1e612b61c8314b06645b353b4068989a24c64d3
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this sample as malicious with high confidence. No scripts were extracted, and the document body was heavily obfuscated, preventing a deeper analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9171

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/legal-tender-abridged-audible-audio-edition.pdf
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    • http://www.gorillawalker.com/hero-at-large-the-hunter-legacy-book-1.pdf
    • http://www.gorillawalker.com/social-studies-level-f-reading-power-modules-level-f.pdf
    • http://www.gorillawalker.com/log-linear-modeling-concepts-interpretation-and-application.pdf
    • http://www.gorillawalker.com/a-manager-s-guide-to-maximizing-search-firm-success.pdf
    • http://www.gorillawalker.com/instead-of-a-book-by-a-man-too-busy-to.pdf
    • http://www.gorillawalker.com/fairytales-for-mr-barker.pdf
    • http://www.gorillawalker.com/machine-shop-practice-vol-1.pdf
    • http://www.gorillawalker.com/indian-food-a-historical-companion-oxford-india-paperbacks.pdf
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    • http://www.gorillawalker.com/ducati-600-620-750-900-91-to-05-haynes-service.pdf
    • http://www.gorillawalker.com/pearson-environmental-science-your-world-your-turn-florida-edition.pdf
    • http://www.gorillawalker.com/meditations-for-breaking-the-habit-of-being-yourself-revised-edition.pdf
    • http://www.gorillawalker.com/peoplesoft-developer-s-guide-for-peopletools-and-peoplecode.pdf
    • http://www.gorillawalker.com/architekten-meddelelser-fra-akademisk-architektforening-volume-5-danish-edition.pdf
    • http://www.gorillawalker.com/don-juan-op-20-harp-part-qty-3-a2119.pdf
    • http://www.gorillawalker.com/the-zero-hour-kindle-edition.pdf
    • http://www.gorillawalker.com/what-they-never-told-you-in-history-class.pdf
    • http://www.gorillawalker.com/women-of-the-golden-dawn-rebels-and-priestesses-maud-gonne.pdf
    • http://www.gorillawalker.com/neuropsychological-rehabilitation-a-resource-for-group-based-education-and-intervention.pdf
    • http://www.gorillawalker.com/submissive-cuckquean-cheating-husband-humiliated-wife-bdsm-erotica.pdf
    • http://www.gorillawalker.com/aprender-a-amar-de-nuevo-c-mo-rehacer-tu-vida.pdf
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    • http://www.gorillawalker.com/marx.pdf
    • http://www.gorillawalker.com/an-amish-arrangement-amish-romance-amish-young-spring-love-short.pdf
    • http://www.gorillawalker.com/scientific-computing-with-mathematica-mathematical-problems-for-ordinary-differential-equations.pdf
    • http://www.gorillawalker.com/newtondale-the-forge-valley-and-the-other-gorges-in-the.pdf
    • http://www.gorillawalker.com/mommy-in-my-pocket.pdf
    • http://www.gorillawalker.com/seven-seven-series-explorer-s-guide-a-journey-through-the.pdf
    • http://www.gorillawalker.com/unmaking-the-bomb-a-fissile-material-approach-to-nuclear-disarmament.pdf
    • http://www.gorillawalker.com/shakespeare-s-wife.pdf
    • http://www.gorillawalker.com/bishop-for-a-day.pdf
    • http://www.gorillawalker.com/2015-road-atlas-europe-europe-s-clearest-mapping.pdf
    • http://www.gorillawalker.com/valentine-s-day-disaster-geronimo-stilton-no-23.pdf
    • http://www.gorillawalker.com/complete-candida-yeast-guidebook-revised-2nd-edition-everything-you-need.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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