Malicious PDF — malware analysis report

Static analysis result for SHA-256 08277217607f668d…

MALICIOUS

PDF

41.0 KB Created: 2018-11-30 20:57:50 +03:00 Authoring application: Microsoft® Word 2016
MD5: 2ddb4552e3eb41129beb0a36b082028a SHA-1: e260ca968dd25d0b5e1bfd519ff15e2a642e10c9 SHA-256: 08277217607f668d482fe31d163a38d05e930dbb896b562aa4c939e1b8fdda06
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, identified by the PDF_SEO_LINK_FARM heuristic. While no scripts were explicitly extracted, the presence of embedded URLs and the ML classifier's high confidence score suggest malicious intent, likely to manipulate search engine results or distribute further payloads. The ClamAV detection as Pdf.Dropper.Agent-7142919-0 further supports its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8872

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-7142919-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7142919-0
  • 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/per-gli-italiani-della-tunisia-polemiche-giornalistiche.pdf
    • http://www.gorillawalker.com/scale-imagination-perception-and-practice-in-architecture-critiques-critical-studies.pdf
    • http://www.gorillawalker.com/a-field-guide-to-the-urban-hipster.pdf
    • http://www.gorillawalker.com/ford-shop-manual-models1100-1110-1200-1210-manual-fo-44.pdf
    • http://www.gorillawalker.com/scrooge-falls-in-love-typecast-christmas-book-1-kindle-edition.pdf
    • http://www.gorillawalker.com/ars-magica-spanish-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/a-gentle-habit.pdf
    • http://www.gorillawalker.com/an-illustrated-history-of-islam.pdf
    • http://www.gorillawalker.com/the-jahangirnama-memoirs-of-jahangir-emperor-of-india.pdf
    • http://www.gorillawalker.com/robin-s-merrie-men-a-bold-adventure-an-exciting-gay.pdf
    • http://www.gorillawalker.com/lords-of-lawndale-my-life-in-a-chicago-white-street.pdf
    • http://www.gorillawalker.com/comprehensive-management-of-swallowing-disorders.pdf
    • http://www.gorillawalker.com/300-three-minute-games-quick-and-easy-activities-for-2.pdf
    • http://www.gorillawalker.com/gymnastics-journal-meet-survival-guide.pdf
    • http://www.gorillawalker.com/berkeley-s-principles-and-dialogues-background-source-materials-cambridge-philosophical.pdf
    • http://www.gorillawalker.com/moon-spotlight-jackson-hole-wyoming-kindle-edition.pdf
    • http://www.gorillawalker.com/21st-century-synonym-and-antonym-finder-21st-century-reference.pdf
    • http://www.gorillawalker.com/behind-the-screen-how-gays-and-lesbians-shaped-hollywood-1910.pdf
    • http://www.gorillawalker.com/ecolinguistics-language-ecology-and-the-stories-we-live-by.pdf
    • http://www.gorillawalker.com/curacion-magnetica-spanish-edition.pdf
    • http://www.gorillawalker.com/modernizing-insurance-regulation-wiley-finance-kindle-edition.pdf
    • http://www.gorillawalker.com/thailand-world-of-recipes.pdf
    • http://www.gorillawalker.com/wife-sharing-my-wife-wants-my-best-friend-mmf-bisexual.pdf
    • http://www.gorillawalker.com/master-breasts-objectified-aesthetisized-fantasized-eroticized-feminized-by-photography-s.pdf
    • http://www.gorillawalker.com/style-in-history.pdf
    • http://www.gorillawalker.com/my-sister-s-voice.pdf
    • http://www.gorillawalker.com/project-baby-abdl-age-play-medical-play-submission-erotic-romance.pdf
    • http://www.gorillawalker.com/good-ol-country-piano-vocal-guitar-songbook.pdf
    • http://www.gorillawalker.com/understanding-people.pdf
    • http://www.gorillawalker.com/false-claims-act-litigator-series.pdf
    • http://www.gorillawalker.com/essentials-of-health-information-management-principles-and-practices-2nd-edition.pdf
    • http://www.gorillawalker.com/slavonic-dances-opus-72-kalmus.pdf
    • http://www.gorillawalker.com/unmerited-favor.pdf
    • http://www.gorillawalker.com/signals-and-systems-for-bioengineers-a-matlab-based-introduction-biomedical.pdf
    • http://www.gorillawalker.com/a-bollywood-affair-kindle-edition.pdf
    • http://www.gorillawalker.com/pi-biography-of-numbers.pdf
    • http://www.gorillawalker.com/adriana-lecouvreur-act-ii-duetto-soprano-mezzo-non-risponde-aprite.pdf
    • http://www.gorillawalker.com/the-cultural-and-political-intersection-of-fair-trade-and-justice.pdf
    • http://www.gorillawalker.com/algebra-elementary-and-intermediate-annotated-instructor-s-edition-with-cd.pdf
    • http://www.gorillawalker.com/siouxsie-the-banshees-entranced-story.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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