Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d8792ad7510aa38…

MALICIOUS

PDF

47.4 KB Created: 2020-04-11 22:57:48 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2026-06-18
MD5: 3a091349fd7d96ee5d3cea73d00c6162 SHA-1: 9755f8600ef3623a6112f38ac6f68cefc066f2d4 SHA-256: 5d8792ad7510aa38843c94e718fdab7731d8b74471393fe68005352aa0b9f544
96 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9972

Heuristics 4

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://leegayle.net/uploads/1/3/0/5/130545199/130545199.html#marco+teorico+de+un+proyecto+como+se+hace PDF link annotation
    • http://nobelpoems.com/uploads/1/3/1/4/131484467/2792088826a08.pdfIn PDF document text
    • http://donnguyenknives.com/uploads/1/3/0/6/130604935/korukabiz_zubarubikof_xakekoguzij.pdfIn PDF document text
    • http://dothatfor.com/uploads/1/3/0/4/130483844/9626495.pdfIn PDF document text
    • http://angryorange.us/uploads/1/3/0/5/130590169/takinigamip.pdfIn PDF document text
    • http://buyalbert.com/uploads/1/3/1/3/131379738/e2f191804870e.pdfIn PDF document text
    • http://booknparty.com/uploads/1/3/1/0/131070591/virutetuf_zivowov_wamewuzifa.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text

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