Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d6dfb81093105a9…

MALICIOUS

PDF

40.6 KB Created: 2019-01-06 08:03:56 +03:00 Authoring application: Writer (via OpenOffice.org 3.2)
MD5: 08eeb8e4f31006cae059fc32f9e81304 SHA-1: 6dd6a1748644ca82d30410a1eb68e78e46433141 SHA-256: 8d6dfb81093105a913a29c4cb138810640f66e957388f83ce350e2d6e244df60
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a large number of external links, indicating a potential SEO manipulation or redirection scheme. The presence of these links suggests an attempt to drive traffic to potentially malicious or compromised websites. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8872

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/inside-the-minds-leading-women-ceos-from-barclays-prudential-kovair.pdf
    • http://www.gorillawalker.com/fearless-fourteen-stephanie-plum-novels-hardcover-fearless-fourteen-stephanie-plum.pdf
    • http://www.gorillawalker.com/the-guilty-stories-kindle-edition.pdf
    • http://www.gorillawalker.com/the-law-of-honor.pdf
    • http://www.gorillawalker.com/worcester-cathedral-pitkin-guides.pdf
    • http://www.gorillawalker.com/accion-e-inercia-social-action-and-social-inertia-en-el.pdf
    • http://www.gorillawalker.com/easy-money-bonus-story-german-edition.pdf
    • http://www.gorillawalker.com/high-energy-processes-in-organometallic-chemistry-acs-symposium-series.pdf
    • http://www.gorillawalker.com/systemic-sclerosis-scleroderma.pdf
    • http://www.gorillawalker.com/in-the-zone-portland-storm-book-5-kindle-edition.pdf
    • http://www.gorillawalker.com/railmap-europe-interactive-railmap-and-pdfs-links-covering-the-whole.pdf
    • http://www.gorillawalker.com/interpreting-4-ezra-and-2-baruch-international-studies-the-library.pdf
    • http://www.gorillawalker.com/sorrow.pdf
    • http://www.gorillawalker.com/days-with-ulanova-pictorial-portrait-of-the-great-russian-ballerina.pdf
    • http://www.gorillawalker.com/is-it-leaky-gut-or-leaky-gut-syndrome-clean-gut.pdf
    • http://www.gorillawalker.com/fluvial-remote-sensing-for-science-and-management-wiley-blackwell-2012.pdf
    • http://www.gorillawalker.com/of-all-the-money-kindle-edition.pdf
    • http://www.gorillawalker.com/the-vacation-taken-by-the-men-who-raised-me.pdf
    • http://www.gorillawalker.com/prince-in-the-studio-1975-1995-kindle-edition.pdf
    • http://www.gorillawalker.com/bicycling-magazine-s-mountain-biking-skills.pdf
    • http://www.gorillawalker.com/french-is-fun-book-a.pdf
    • http://www.gorillawalker.com/pride-and-prejudice-1957-yellow-hardback.pdf
    • http://www.gorillawalker.com/basics-design-07-grids.pdf
    • http://www.gorillawalker.com/hydrodynamics-of-oil-and-gas.pdf
    • http://www.gorillawalker.com/deep-thoughts-an-anthology-of-poems.pdf
    • http://www.gorillawalker.com/islamic-art-and-architecture-from-isfahan-to-the-taj-mahal.pdf
    • http://www.gorillawalker.com/mel-bay-50-tunes-for-banjo.pdf
    • http://www.gorillawalker.com/dinosaur-world-a-willowisp-factbook.pdf
    • http://www.gorillawalker.com/a-field-guide-to-sea-stars-other-echinoderms-of-galapagos.pdf
    • http://www.gorillawalker.com/nobody-s-baby-but-mine-and-this-heart-of-mine.pdf
    • http://www.gorillawalker.com/number-magic-number-tricks-and-how-they-work-kindle-edition.pdf
    • http://www.gorillawalker.com/yuletide-cowboy-love-inspired.pdf
    • http://www.gorillawalker.com/100-dragons.pdf
    • http://www.gorillawalker.com/automated-guided-vehicle-systems-proceedings-of-the-5th-international-conference.pdf
    • http://www.gorillawalker.com/the-physics-of-alfven-waves.pdf
    • http://www.gorillawalker.com/differential-equations-and-boundary-value-problems-computing-and-modeling-books.pdf
    • http://www.gorillawalker.com/conversations-with-jay-parini-literary-conversations-series.pdf
    • http://www.gorillawalker.com/the-math-of-baseball-sports-math.pdf
    • http://www.gorillawalker.com/unvarnishing-reality-subversive-russian-and-american-cold-war-satire.pdf
    • http://www.gorillawalker.com/incomplete-revolution-adapting-to-women-s-new-roles.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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