Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f8ae67eef862421…

MALICIOUS

PDF

47.2 KB Created: 2018-11-23 20:29:40 +03:00 Authoring application: Adobe Acrobat 8.0 Combine Files (via Adobe PDF Library 5.0)
MD5: d8a1f64bb0c3d169691cc6a1df47d57c SHA-1: 1c5719b7e09ab27fba276a7004eefc942ad79f6c SHA-256: 1f8ae67eef86242139e79ed6a3c4e04332d1d75967903b49e704bc68ffef94ee
90 Risk Score

Malware Insights

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

The PDF was flagged by a machine learning classifier and contains a large number of embedded external links, indicative of a link farm or SEO manipulation tactic. While no scripts were extracted, the sheer volume of links suggests an attempt to direct users to potentially malicious or compromised websites. The ML classifier's high confidence score further supports the malicious nature of this document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8868

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/the-people-of-murapin-monograph-series-institute-of-medical-research.pdf
    • http://www.gorillawalker.com/cassie-s-influence-cassie-s-space-book-6.pdf
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    • http://www.gorillawalker.com/modernity-sexuality-and-ideology-in-iran-the-life-and-legacy.pdf
    • http://www.gorillawalker.com/juicing-recipes-73-juicing-recipes-for-weight-loss-healthy-living.pdf
    • http://www.gorillawalker.com/interactive-art-and-embodiment-the-implicit-body-as-performance-arts.pdf
    • http://www.gorillawalker.com/celestial-maps-taschen-diary.pdf
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    • http://www.gorillawalker.com/mitos-y-misterios-egipcios-spanish-edition.pdf
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    • http://www.gorillawalker.com/variety-in-written-english-texts-in-society-societies-in-text.pdf
    • http://www.gorillawalker.com/el-desorden-de-tu-nombre-narrativa-punto-de-lectura-spanish.pdf
    • http://www.gorillawalker.com/french-free-thought-from-gassendi-to-voltaire-bloomsbury-academic-collections.pdf
    • http://www.gorillawalker.com/the-tqm-trilogy-using-iso-9000-the-deming-prize-and.pdf
    • http://www.gorillawalker.com/mahamudra-for-the-modern-world-an-unprecedented-training-course-in.pdf
    • http://www.gorillawalker.com/the-best-american-short-plays-2001-2002-hardcover.pdf
    • http://www.gorillawalker.com/caillou-no-more-diapers-hand-in-hand.pdf
    • http://www.gorillawalker.com/multivariate-analysis-techniques-in-social-science-research-from-problem-to.pdf
    • http://www.gorillawalker.com/a-physical-and-topographical-sketch-of-the-mississippi-territory-lower.pdf
    • http://www.gorillawalker.com/orgasms-after-60.pdf
    • http://www.gorillawalker.com/21st-century-adult-cancer-sourcebook-primary-cns-lymphoma-clinical-data.pdf
    • http://www.gorillawalker.com/stand-on-zanzibar-by-brunner-john-s-f-masterworks-edition.pdf
    • http://www.gorillawalker.com/advanced-cleaning-product-formulations-vol-1.pdf
    • http://www.gorillawalker.com/golden-perspective-zehave-gold-2-siren-publishing-menage-and-more.pdf
    • http://www.gorillawalker.com/words-their-way-word-study-for-phonics-vocabulary-and-spelling.pdf
    • http://www.gorillawalker.com/the-works-of-the-author-of-the-night-thoughts-volume.pdf
    • http://www.gorillawalker.com/periplus-pocket-japanese-dictionary-japanese-english-english-japanese-second-edition.pdf
    • http://www.gorillawalker.com/the-wrong-man-jason-kolarich.pdf
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    • http://www.gorillawalker.com/international-competition-law-a-new-dimension-for-the-wto.pdf
    • http://www.gorillawalker.com/international-encyclopedia-of-women-composers.pdf
    • http://www.gorillawalker.com/revolution-of-the-dialectic-esoteric-psychology-and-meditation-practical-methods.pdf
    • http://www.gorillawalker.com/the-developing-mind-second-edition-how-relationships-and-the-brain.pdf
    • http://www.gorillawalker.com/process-planning-and-cost-estimation.pdf
    • http://www.gorillawalker.com/location-location-location-a-plant-location-and-site-selection-guide.pdf
    • http://www.gorillawalker.com/juicing-re
    • 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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