Malicious PDF — malware analysis report

Static analysis result for SHA-256 1913851253ba5b80…

MALICIOUS

PDF

73.0 KB Created: 2022-03-29 11:34:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: de429e5347ef835fdce04849f84bc7d5 SHA-1: 1718294cb8529d5a72cf2ae3489a78298ca8927d SHA-256: 1913851253ba5b80a9c8bf5b85e9498ca573a5001003e263e874ed4c6de5617c
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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 https://masogivuxun.weebly.com/uploads/1/3/4/8/134887982/verisosiv.pdf In PDF document text
    • https://runigofotizete.weebly.com/uploads/1/3/4/4/134433234/8406d753f.pdfIn PDF document text
    • https://meparuke.weebly.com/uploads/1/4/1/2/141284022/revamo.pdfIn PDF document text
    • https://baxelawinojiw.weebly.com/uploads/1/3/4/3/134333718/velovavixubu_nekedo_gatilipopewejim_jufodowojiru.pdfIn PDF document text
    • https://nipujari.weebly.com/uploads/1/3/1/3/131384055/8ce1a11.pdfIn PDF document text
    • https://bedupopepexetid.weebly.com/uploads/1/3/7/5/137514545/bujiwerubizesigaxet.pdfIn PDF document text
    • https://foragiluk.weebly.com/uploads/1/3/4/3/134374590/8004655.pdfIn PDF document text
    • https://bifomika.weebly.com/uploads/1/3/1/8/131856700/1923741.pdfIn PDF document text
    • https://kabokikofonesa.weebly.com/uploads/1/3/1/6/131637300/63f5cc57.pdfIn PDF document text
    • https://lutaxebibutemun.weebly.com/uploads/1/3/1/3/131380730/vabiduxinokuk.pdfIn PDF document text
    • https://talaxekagaros.weebly.com/uploads/1/3/5/3/135347480/02037469fab87.pdfIn PDF document text
    • https://pijawofixogut.weebly.com/uploads/1/3/4/0/134017865/wunivetes.pdfIn PDF document text
    • https://megidawuxuta.weebly.com/uploads/1/3/4/7/134729580/16d2c27.pdfIn PDF document text
    • https://boxenisudima.weebly.com/uploads/1/3/2/7/132740338/6238056.pdfIn PDF document text
    • https://tunutepefa.weebly.com/uploads/1/3/1/4/131453603/kofapemofaj.pdfIn PDF document text
    • https://vubovomezalifis.weebly.com/uploads/1/3/4/5/134511152/6d65a5.pdfIn PDF document text
    • https://josebugovoje.weebly.com/uploads/1/3/0/7/130738719/695085.pdfIn PDF document text
    • https://ragaz.co.za/YmrXLWy8?keyword=mr%20coffee%2012%20cup%20coffee%20maker%20metallic%20red%20PDF link annotation
    • 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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b647.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB647 17416 bytes
SHA-256: 7375a5c544e74444818035c7ae460d55efcfb0661069f0eee3d6a9869e82fd3c
font_01_sfnt_off0000e41f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE41F 11636 bytes
SHA-256: e09986b7c8e024c346f550c97df26fa54db1cd7dcf7b4162d40271857dd75205
font_02_sfnt_off0000ffdb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFDB 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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