Malicious PDF — malware analysis report

Static analysis result for SHA-256 f595117938f871e0…

MALICIOUS

PDF

32.4 KB Created: 2019-05-24 00:42:55 +03:00 Authoring application: - (via Haru Free PDF Library 2.1.0)
MD5: 6c5c3c8adbac2a5a5f6b10b1227f8f42 SHA-1: 3a5c0aa38d2f59ee25e36d674c9f7d69b8821f94 SHA-256: f595117938f871e0c7fffad0149d5aca2c580353de3ddef6014149bf0799f011
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external websites, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious. While no scripts were extracted, the sheer volume of links suggests a malicious intent, possibly for SEO poisoning or to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8529

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-anthology-of-writings-on-the-ganga-goddess-and-river.pdf
    • http://www.gorillawalker.com/analytical-no-limit-hold-em.pdf
    • http://www.gorillawalker.com/water-and-salt-your-healers-from-within.pdf
    • http://www.gorillawalker.com/redemption-new-america-book-three-kindle-edition.pdf
    • http://www.gorillawalker.com/licensing-update-2014.pdf
    • http://www.gorillawalker.com/eastern-reptiles-and-amphibians.pdf
    • http://www.gorillawalker.com/a-shred-of-honour-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/dollars-and-sex-how-economics-influences-sex-and-love.pdf
    • http://www.gorillawalker.com/benjamin-graham-the-memoirs-of-the-dean-of-wall-street.pdf
    • http://www.gorillawalker.com/writer-s-complete-guide-to-conducting-interviews.pdf
    • http://www.gorillawalker.com/superpiss-meltykiss-spankers-and-muff-kindle-edition.pdf
    • http://www.gorillawalker.com/exposure-the-cure.pdf
    • http://www.gorillawalker.com/superfoods-at-every-meal.pdf
    • http://www.gorillawalker.com/superconducting-magnets-monographs-on-cryogenics-no-2.pdf
    • http://www.gorillawalker.com/english-to-the-max-1-200-questions-that-will-maximize.pdf
    • http://www.gorillawalker.com/electromagnetics-explained-a-handbook-for-wireless-rf-emc-and-high.pdf
    • http://www.gorillawalker.com/every-step-you-take.pdf
    • http://www.gorillawalker.com/design-and-use-of-assistive-technology-social-technical-ethical-and.pdf
    • http://www.gorillawalker.com/entering-the-stone-on-caves-and-feeling-through-the-dark.pdf
    • http://www.gorillawalker.com/the-lithographs-of-thomas-hart-benton-new-expanded-edition.pdf
    • http://www.gorillawalker.com/the-old-farmer-s-almanac-2012-country-calendar-old-farmer.pdf
    • http://www.gorillawalker.com/how-to-create-a-customized-essential-oil-blend.pdf
    • http://www.gorillawalker.com/congress-reconsidered-10th-edition.pdf
    • http://www.gorillawalker.com/letters-to-sala.pdf
    • http://www.gorillawalker.com/featured-reviews-in-mathematical-reviews-1997-1999.pdf
    • http://www.gorillawalker.com/voices-from-the-field.pdf
    • http://www.gorillawalker.com/writing-family-history-made-very-easy-a-beginner-s-guide.pdf
    • http://www.gorillawalker.com/plato-the-statesman-cambridge-texts-in-the-history-of-political.pdf
    • http://www.gorillawalker.com/the-application-of-the-precautionary-principle-in-practice-comparative-dimensions.pdf
    • http://www.gorillawalker.com/java-bali-and-lombok-thomas-cook-travellers.pdf
    • http://www.gorillawalker.com/the-woodlot-management-handbook-making-the-most-of-your-wooded.pdf
    • http://www.gorillawalker.com/wicked-trumpet-a-new-musical-bk-cd-hal-leonard-instrumental.pdf
    • http://www.gorillawalker.com/una-extra-a-en-la-playa-spanish-edition.pdf
    • http://www.gorillawalker.com/the-eta-from-you-to-me-when-a-new-driver.pdf
    • http://www.gorillawalker.com/an-introduction-to-catholic-theology.pdf
    • http://www.gorillawalker.com/sharper-than-a-11-scalpel-inspirational-dissections-of-god-s.pdf
    • http://www.gorillawalker.com/fetishism-and-curiosity-perspectives-bloomington-ind.pdf
    • http://www.gorillawalker.com/pipeline-integrity-handbook-risk-management-and-evaluation.pdf
    • http://www.gorillawalker.com/paradigms-in-conflict-10-key-questions-in-christian-missions-today.pdf
    • http://www.gorillawalker.com/deconstruction-in-a-nutshell-a-conversation-with-jacques-derrida-perspectives.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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