Malicious PDF — malware analysis report

Static analysis result for SHA-256 6cdac689cc5b89dd…

MALICIOUS

PDF

44.7 KB Created: 2018-12-14 20:02:43 +03:00 Authoring application: AutoCAD 2010 2010 (18.0s (LMS Tech)) (via pdfplot10.hdi 10.0.55.0)
MD5: 91ac0c3bb04869f7377e637236ceecb2 SHA-1: 23dfbdbb8766a3cea7b5c8ed6371033a43eebaf8 SHA-256: 6cdac689cc5b89dda9a3b8ff5376dfecd919ab1fbf5b2c7aa3d6772e6edd8ab0
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious. The document body is heavily obfuscated and does not provide clear instructions, but the presence of numerous links suggests an attempt to direct users to a potentially malicious website or to manipulate search engine rankings.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8439

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/an-arabic-english-dictionary-of-the-colloquial-arabic-of-egypt.pdf
    • http://www.gorillawalker.com/bedrock-geologic-map-of-the-wales-quadrangle-massachusetts-connecticut.pdf
    • http://www.gorillawalker.com/software-runaways-monumental-software-disasters.pdf
    • http://www.gorillawalker.com/fracture-mechanics-analysis-of-centered-and-offset-fastener-holes-in.pdf
    • http://www.gorillawalker.com/only-the-ring-finger-knows-vol-5.pdf
    • http://www.gorillawalker.com/triangulo-5th-edition-softcover-includes-1-yr-learning-site-spanish.pdf
    • http://www.gorillawalker.com/colombia-secreta-spanish-edition.pdf
    • http://www.gorillawalker.com/the-grounde-of-artes.pdf
    • http://www.gorillawalker.com/wilhelm-tell-friedrich-schiller-kommentierte-ausgabe-mit-wort-und-sacherkl.pdf
    • http://www.gorillawalker.com/momo-tama-volume-3.pdf
    • http://www.gorillawalker.com/eduard-s-homecoming.pdf
    • http://www.gorillawalker.com/semrad-the-heart-of-a-therapist.pdf
    • http://www.gorillawalker.com/illinois-central-streamliners-1936-1946.pdf
    • http://www.gorillawalker.com/superconductivity-of-metals-alloys.pdf
    • http://www.gorillawalker.com/shared-medical-appointments-for-chronic-medical-conditions-a-systematic-review.pdf
    • http://www.gorillawalker.com/macau-machigoto-china-japanese-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/employment-equity-and-affirmative-action-an-international-comparison-issues-in.pdf
    • http://www.gorillawalker.com/carrots-to-cupcakes-reading-writing-and-reciting-poems-about-food.pdf
    • http://www.gorillawalker.com/reading-and-writing-the-lakota-language-book-on-cd.pdf
    • http://www.gorillawalker.com/string-quartet-no-12-in-f-major-op-96-by.pdf
    • http://www.gorillawalker.com/fashion-terminology.pdf
    • http://www.gorillawalker.com/the-2009-2014-world-outlook-for-snowboarding-boots-for-step.pdf
    • http://www.gorillawalker.com/something-new-foster-siblings-book-2.pdf
    • http://www.gorillawalker.com/modernismo-architecture-and-design-in-catalonia.pdf
    • http://www.gorillawalker.com/lawyer-s-desk-book-1997-supplement-tenth-edition.pdf
    • http://www.gorillawalker.com/the-candida-cure-yeast-fungus-your-health-the-90-day.pdf
    • http://www.gorillawalker.com/quilts-from-the-quiltmaker-s-gift.pdf
    • http://www.gorillawalker.com/adolescent-psychiatry-developmental-and-clinical-studies-annals-of-the-american.pdf
    • http://www.gorillawalker.com/john-slattery-s-creative-chocolate-recipes.pdf
    • http://www.gorillawalker.com/poverty-a-study-of-town-life-classic-reprint.pdf
    • http://www.gorillawalker.com/becoming-me-journal-affirmations-for-girls-vol-2-volume-2.pdf
    • http://www.gorillawalker.com/how-to-become-a-medical-transcriptionist-pb-1998-paperback.pdf
    • http://www.gorillawalker.com/high-noon-friendly-persuasion-more-classic-themes-by-dimitri-tiomkin.pdf
    • http://www.gorillawalker.com/ashley-terrace-murder-kindle-edition.pdf
    • http://www.gorillawalker.com/breaking-my-heart-book-1-in-my-heart-series-kindle.pdf
    • http://www.gorillawalker.com/the-personal-vision-workbook.pdf
    • http://www.gorillawalker.com/world-of-warcraft-instrumental-solos-tenor-sax-book-cd-pop.pdf
    • http://www.gorillawalker.com/duty-and-desire-a-hot-collection-of-gay-soldier-erotica.pdf
    • http://www.gorillawalker.com/my-husband-died-because-of-me-kindle-edition.pdf
    • http://www.gorillawalker.com/country-french-cooking-a-sunset-book.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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