Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7dc437e4529870…

MALICIOUS

PDF

72.1 KB Created: 2022-03-26 14:46:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: be5e0d11af8e2e9b6314e51310cfc9b9 SHA-1: 11ef3390112507de1ffee0e477890fed28b3a74a SHA-256: cd7dc437e4529870f8c5c87242f7a31e1a48dc170e5f6294b2935be7019a7460
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://fecuq.co.za/YmrXLWy8?keyword=paid%20time%20off%20after%20termination PDF link annotation
    • https://rekokazo.weebly.com/uploads/1/3/7/5/137503491/zafodiwipa-jasefezofufe-paverojib.pdfIn PDF document text
    • https://nepujegoxamo.weebly.com/uploads/1/3/4/3/134380276/migute-fuxataxofawafuw-bifalem-gozoxeluza.pdfIn PDF document text
    • https://vabusise.weebly.com/uploads/1/3/4/3/134385335/terobadisem.pdfIn PDF document text
    • https://zakosolegim.weebly.com/uploads/1/3/5/3/135337695/1611035.pdfIn PDF document text
    • https://seborokib.weebly.com/uploads/1/3/4/0/134096410/9430972.pdfIn PDF document text
    • https://xefezovunir.weebly.com/uploads/1/3/4/6/134623549/zefuw-maluw.pdfIn PDF document text
    • https://lewanodeb.weebly.com/uploads/1/3/4/8/134885095/1b8038cad66.pdfIn PDF document text
    • https://likivaduzizi.weebly.com/uploads/1/3/4/6/134699319/noxasi.pdfIn PDF document text
    • https://guzonodet.weebly.com/uploads/1/3/4/7/134724569/103e880c0aaa.pdfIn PDF document text
    • https://gagivoxiw.weebly.com/uploads/1/3/5/9/135991060/3698433.pdfIn PDF document text
    • https://lutolobod.weebly.com/uploads/1/3/4/1/134108863/4261335.pdfIn PDF document text
    • https://boxavaruju.weebly.com/uploads/1/3/4/7/134759985/vadetofonopoz.pdfIn PDF document text
    • https://bopazexujow.weebly.com/uploads/1/3/4/8/134876268/radulazige-fetapugedek-rifeje-gitejexeb.pdfIn PDF document text
    • https://sowidokobixu.weebly.com/uploads/1/3/1/8/131856306/pavovavoxifu-bizowu-juxoku.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
    • 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_off0000b936.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB936 10300 bytes
SHA-256: e91e9296a920bdf69b84ad6bc4210d3480e3262af51d2158c25096f7debe8df3
font_01_sfnt_off0000d057.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD057 16772 bytes
SHA-256: ee4359e342df85eb6579fa693ca7ca4dbf7aafcd6e57cce4f43fe8ef951f62d8
font_02_sfnt_off0000fc01.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC01 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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