Malicious PDF — malware analysis report

Static analysis result for SHA-256 33c2f3c34a3f853d…

MALICIOUS

PDF

42.4 KB Created: 2019-04-30 16:27:12 +03:00 Authoring application: (Infix Pro) (via PDFKit.NET 3.0.58.0)
MD5: 3d632955e8117c293b78a97e2f641bab SHA-1: d484242a42382eb6e1229f01600d6735d5e5cadd SHA-256: 33c2f3c34a3f853db60a9ebfbe68532235c6d680365a55c0f4a0151a77b5f0e1
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

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/sand.pdf
    • http://www.gorillawalker.com/a-historical-and-descriptive-narrative-of-twenty-years-residence-in.pdf
    • http://www.gorillawalker.com/king-solomon-s-ring-new-light-on-animal-ways.pdf
    • http://www.gorillawalker.com/mel-bay-fun-with-the-cello.pdf
    • http://www.gorillawalker.com/value-analysis-of-wind-energy-systems-to-electric-utilities.pdf
    • http://www.gorillawalker.com/constrained-supply-and-production-planning-in-sap-apo.pdf
    • http://www.gorillawalker.com/dracula-and-dracula-s-guest-kindle-edition.pdf
    • http://www.gorillawalker.com/destinations.pdf
    • http://www.gorillawalker.com/kid-s-ukulele-course-1-book-cd-alfred-s-kid.pdf
    • http://www.gorillawalker.com/bible-puzzle-book-volume-six-fun-for-the-whole-family.pdf
    • http://www.gorillawalker.com/how-a-man-loses-his-woman.pdf
    • http://www.gorillawalker.com/la-joven-que-no-pod-a-leer-spanish-edition.pdf
    • http://www.gorillawalker.com/magyar-melody-a-musical-romance-by-eric-maschwitz-fred-thompson.pdf
    • http://www.gorillawalker.com/sex-games-an-erotic-adventure-explicit-adult-literature-sex-games.pdf
    • http://www.gorillawalker.com/queen-of-the-godforsaken.pdf
    • http://www.gorillawalker.com/3d-virtual-treatment-planning-of-orthognathic-surgery-a-step-by.pdf
    • http://www.gorillawalker.com/a-city-walk-around.pdf
    • http://www.gorillawalker.com/stock-market-logic-a-sophisticated-approach-to-profits-on-wall.pdf
    • http://www.gorillawalker.com/mastering-excel-sumproduct.pdf
    • http://www.gorillawalker.com/birth-centres-a-social-model-for-maternity-care-1e.pdf
    • http://www.gorillawalker.com/thumbelina-the-culture-and-technology-of-millennials.pdf
    • http://www.gorillawalker.com/avoiding-capture-12-steps-to-true-and-lasting-intimacy.pdf
    • http://www.gorillawalker.com/the-baasian-inquiries-slow-time-book-two-volume-2.pdf
    • http://www.gorillawalker.com/proletarian-days-a-hippolyte-havel-reader.pdf
    • http://www.gorillawalker.com/50-greatest-ever-sandwiches-great-ideas-for-lunchboxes-tasty-snacks.pdf
    • http://www.gorillawalker.com/mortgaging-the-earth-the-world-bank-environmental-impoverishment-and-the.pdf
    • http://www.gorillawalker.com/longy.pdf
    • http://www.gorillawalker.com/la-boh-me-act-iii-aria-donde-lieta-usci-addio.pdf
    • http://www.gorillawalker.com/neuromusculoskeletal-examination-and-assessment-a-handbook-for-therapists.pdf
    • http://www.gorillawalker.com/the-cheyennes-indians-of-the-great-plains-case-studies-in.pdf
    • http://www.gorillawalker.com/200-division-worksheets-with-3-digit-dividends-2-digit-divisors.pdf
    • http://www.gorillawalker.com/fertile-first-timers-megapack-six-taboo-stories-kindle-edition.pdf
    • http://www.gorillawalker.com/the-athlete-burnout-questionnaire-manual.pdf
    • http://www.gorillawalker.com/the-spatial-construction-of-organization-advances-in-organization-studies.pdf
    • http://www.gorillawalker.com/uncle-scrooge-the-grand-canyon-conquest.pdf
    • http://www.gorillawalker.com/shanghai.pdf
    • http://www.gorillawalker.com/merriam-webster-s-student-atlas-world-atlas.pdf
    • http://www.gorillawalker.com/the-usborne-illustrated-dictionary-thesaurus-jane-bingham-and-fiona-chandler.pdf
    • http://www.gorillawalker.com/the-depleted-self.pdf
    • http://www.gorillawalker.com/marketing-your-clinical-practice-third-edition.pdf
    • http://www.gorillawalker.com/dracula-and-dracula-s-
    • 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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