Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce7470ffee32e5cc…

MALICIOUS

PDF

42.9 KB Created: 2018-11-14 08:15:39 +03:00 Authoring application: PScript5.dll Version 5.2 (via ePapyrus PSI 8.51)
MD5: 9104e7317e1a5bba9ac4bdc563a01a24 SHA-1: c7e475400ea6b4dd532ccf8c5c491aaa8214049d SHA-256: ce7470ffee32e5cc41653a5842093f3cd612a00ab9450eb722d6eb91f08db1ae
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing for a 'PDF_SEO_LINK_FARM', indicating a large number of external links embedded within the document. These links predominantly point to the 'gorillawalker.com' domain, suggesting an attempt to drive traffic or distribute further content. No scripts were extracted from this sample, and the document body was heavily obfuscated, limiting further analysis of the specific lure. The primary attack pattern observed is the manipulation of search engine optimization through a link farm.

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/beyond-sanity-madness-way-of-zen-mas-tuttle-library-of.pdf
    • http://www.gorillawalker.com/principles-of-invertebrate-paleontology-mcgraw-hill-series-in-the-earth.pdf
    • http://www.gorillawalker.com/edexcel-physics-student-guide-1-topics-2-and-3.pdf
    • http://www.gorillawalker.com/global-remains-abandoned-architecture-and-objects-from-seven-continents.pdf
    • http://www.gorillawalker.com/conqueror-time-s-tapestry-book-two.pdf
    • http://www.gorillawalker.com/jung-a-journey-of-transformation-exploring-his-life-and-experiencing.pdf
    • http://www.gorillawalker.com/the-end-of-the-world-is-rye.pdf
    • http://www.gorillawalker.com/eureka-math-a-story-of-units-grade-3-module-5.pdf
    • http://www.gorillawalker.com/the-sad-night-the-story-of-an-aztec-victory-and.pdf
    • http://www.gorillawalker.com/book-of-the-lawless-essays-on-anti-cosmic-satanism-kindle.pdf
    • http://www.gorillawalker.com/the-civil-rights-movement-social-reform-movements.pdf
    • http://www.gorillawalker.com/review-text-in-american-history.pdf
    • http://www.gorillawalker.com/linear-and-non-linear-video-and-tv-applications-using-ipv6.pdf
    • http://www.gorillawalker.com/water-hammer-simulations.pdf
    • http://www.gorillawalker.com/the-travel-manual-all-you-need-to-know-dealing-with.pdf
    • http://www.gorillawalker.com/the-false-faces-of-the-iroquois-civilization-of-the-american.pdf
    • http://www.gorillawalker.com/schaum-s-outline-of-french-grammar.pdf
    • http://www.gorillawalker.com/maldi-ms-a-practical-guide-to-instrumentation-methods-and-applications.pdf
    • http://www.gorillawalker.com/a-dictionary-of-public-health-promotion-and-education-terms-and.pdf
    • http://www.gorillawalker.com/touring-in-wine-country-the-rhone.pdf
    • http://www.gorillawalker.com/t-h-e-madness.pdf
    • http://www.gorillawalker.com/games-and-gaming-in-medieval-literature-the-new-middle-ages.pdf
    • http://www.gorillawalker.com/ionia-a-quest-the-freya-stark-collection.pdf
    • http://www.gorillawalker.com/light-antiarmor-weapons-kindle-edition.pdf
    • http://www.gorillawalker.com/i-buy-houses-the-property-investor-s-handbook.pdf
    • http://www.gorillawalker.com/cursed-black-witch-magic-ghetto-erotica.pdf
    • http://www.gorillawalker.com/the-invader-force-majeure.pdf
    • http://www.gorillawalker.com/prefabricated-composite-beam-to-concrete-filled-tube-or-partially-reinforced.pdf
    • http://www.gorillawalker.com/r-graphics-chapman-hall-crc-the-r-series.pdf
    • http://www.gorillawalker.com/secondary-metabolism-oxford-chemistry-series.pdf
    • http://www.gorillawalker.com/le-chocolat-thermomix-mes-recettes-thermomix-t-2-french-edition.pdf
    • http://www.gorillawalker.com/the-muscular-manifesto-a-revolutionary-study-of-people-illness-and.pdf
    • http://www.gorillawalker.com/physiology-and-biophysics-of-the-circulation-physiology-textbook-series.pdf
    • http://www.gorillawalker.com/manual-de-ecografia-musculoesqueletica-musculoskeletal-ultrasound-manual-spanish-edition.pdf
    • http://www.gorillawalker.com/sobibor-a-history-of-a-nazi-death-camp.pdf
    • http://www.gorillawalker.com/the-dictionary-of-modern-herbalism.pdf
    • http://www.gorillawalker.com/a-first-course-in-systems-biology.pdf
    • http://www.gorillawalker.com/eye-diseases-and-disorders-what-you-should-know.pdf
    • http://www.gorillawalker.com/inuyashiki-1.pdf
    • http://www.gorillawalker.com/the-wrong-word-dictionary-2-500-most-commonly-confused-words.pdf
    • http://www.gorillawalker.com/conqueror-time-s-ta
    • 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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