Malicious PDF — malware analysis report

Static analysis result for SHA-256 7665a4b38bedd259…

MALICIOUS

PDF

44.1 KB Created: 2018-12-02 11:00:04 +03:00 Authoring application: FrameMaker 7.2 (via Acrobat Distiller 7.0.5 (Windows))
MD5: c96f5d901e29e4dc9366c49db44d5227 SHA-1: 387aea54a31889f24b1cea07f1702cb39f44aab3 SHA-256: 7665a4b38bedd2594d617798e678b6b0d6ad2cfdbd306b4fb984cfd7d29c2452
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various book-related pages. While no scripts were extracted, the sheer volume of external links suggests an attempt to manipulate search engine rankings or redirect users to potentially malicious content. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8452

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/redemption-a-star-league-marine-novel-kindle-edition.pdf
    • http://www.gorillawalker.com/how-to-file-for-divorce-in-north-carolina-with-forms.pdf
    • http://www.gorillawalker.com/letting-go-a-novel-thatch.pdf
    • http://www.gorillawalker.com/schpountz-french-edition.pdf
    • http://www.gorillawalker.com/coloring-dream-mandalas-30-hand-drawn-designs-for-mindful-relaxation.pdf
    • http://www.gorillawalker.com/lebanon-footprint-handbook-footprint-travel-guides-by-jessica-lee-1st.pdf
    • http://www.gorillawalker.com/revenge-lost-highlander-book-3-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/good-intentions-the-nine-unconscious-mistakes-of-nice-people.pdf
    • http://www.gorillawalker.com/materializing-europe-transnational-infrastructures-and-the-project-of-europe.pdf
    • http://www.gorillawalker.com/wheat-belly-20-minutes-or-less-cookbook-wheat-belly-diet.pdf
    • http://www.gorillawalker.com/the-phantom-of-rue-royale-a-nicolas-le-floch-investigation.pdf
    • http://www.gorillawalker.com/how-to-stand-up-for-your-elder-in-the-health.pdf
    • http://www.gorillawalker.com/space-and-the-geographies-of-theatre-critical-perspectives-on-canadian.pdf
    • http://www.gorillawalker.com/how-to-draw-magical-monstrous-mythological-creatures-discover-the-magic.pdf
    • http://www.gorillawalker.com/james-iv.pdf
    • http://www.gorillawalker.com/not-your-mother-s-book-on-being-a-stupid-kid.pdf
    • http://www.gorillawalker.com/introduction-to-forensic-criminal-psychology.pdf
    • http://www.gorillawalker.com/how-to-quickly-improve-your-snowboarding-techniques-from-the-pros.pdf
    • http://www.gorillawalker.com/deadly-reunion-mills-boon-love-inspired.pdf
    • http://www.gorillawalker.com/joe-satriani-guitar-secrets-book-cd-edition.pdf
    • http://www.gorillawalker.com/swinging-in-paradise.pdf
    • http://www.gorillawalker.com/history-of-architecture-in-100-buildings.pdf
    • http://www.gorillawalker.com/electrophysical-phenomena-in-the-tribology-of-polymers-polymer-science-and.pdf
    • http://www.gorillawalker.com/profiting-from-monetary-policy-investing-through-the-business-cycle.pdf
    • http://www.gorillawalker.com/keeping-her-keeping-her-series.pdf
    • http://www.gorillawalker.com/bulletproof-faith-a-spiritual-survival-guide-for-gay-and-lesbian.pdf
    • http://www.gorillawalker.com/sexuality-now-embracing-diversity-available-titles-cengagenow.pdf
    • http://www.gorillawalker.com/poor-will-s-almanack-2015-since-1984-a-traditional-guide.pdf
    • http://www.gorillawalker.com/typing-a-step-by-step-guide-to-keyboard-mastery-teach.pdf
    • http://www.gorillawalker.com/sicily-travel-guide.pdf
    • http://www.gorillawalker.com/a-silent-minority-deaf-education-in-spain-1550-1835.pdf
    • http://www.gorillawalker.com/psychology-of-religion-classic-and-contemporary-views.pdf
    • http://www.gorillawalker.com/cold-war-command-the-dramatic-story-of-a-nuclear-submariner.pdf
    • http://www.gorillawalker.com/israel-palestine-demain-atlas-prospectif-french-edition.pdf
    • http://www.gorillawalker.com/business-management-in-the-local-church.pdf
    • http://www.gorillawalker.com/heroic-music-twelve-pieces-for-trumpet-and-piano-telemann-paetzold.pdf
    • http://www.gorillawalker.com/daughter-of-satan.pdf
    • http://www.gorillawalker.com/cracker-culture.pdf
    • http://www.gorillawalker.com/japanese-maps-relating-to-taiwan-1895-1945.pdf
    • http://www.gorillawalker.com/almost-englishmen-baghdadi-jews-in-british-burma.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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