Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5d50664bed4f869…

MALICIOUS

PDF

31.9 KB Created: 2020-04-13 13:49:18 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2026-07-06
MD5: 01a14e1a015409af376798762f82060a SHA-1: 9953f021d54934d24296c27655135831d5ec56db SHA-256: b5d50664bed4f86909054f9b700ce4785efe9058bd4190260f7a5077ecd89bfc
96 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

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://ohri.desi/uploads/1/3/1/3/131379384/131379384.html#i+am+free+eddie+james+lyrics PDF link annotation
    • http://lookingintothings.com/uploads/1/3/0/4/130488067/lawemarelime.pdfIn PDF document text
    • http://papilloneries.com/uploads/1/3/1/4/131406663/0f8d7ad8d22e1.pdfIn PDF document text
    • http://barremanagement.com/uploads/1/3/0/7/130740022/japoragumorotavup.pdfIn PDF document text
    • http://carpetcleaningchattanoogatn.com/uploads/1/3/1/4/131437359/2941429.pdfIn PDF document text
    • http://griffinsheroeshaven.info/uploads/1/3/1/3/131379478/zakixojofinafor_pelazo_kanolegakuted_kirejobaxuw.pdfIn PDF document text
    • http://johnkhristopher.com/uploads/1/3/1/4/131437865/1981495.pdfIn PDF document text
    • http://pettyoutfitters.com/uploads/1/3/0/7/130740212/bofota-widas.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

Related samples 1

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