Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5d04a96e5fcb9be…

MALICIOUS

PDF

76.3 KB Created: 2022-03-27 12:23:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: 4f1c429ebc21bd156cf7872f3297778c SHA-1: 004e15a8e037ec4cfe090eecbb8bb917df6197b3 SHA-256: c5d04a96e5fcb9bea431c030799965cf7d15b3ec6d7ba978b206f65568ab53e8
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://wirut.co.za/YmrXLWy8?keyword=convert%20inches%20to%20mm%20width PDF link annotation
    • https://limavewudadeku.weebly.com/uploads/1/3/5/3/135323498/wopawa_siranipiruwu_pifogovub_dukogopisitasi.pdfIn PDF document text
    • https://tugixafebav.weebly.com/uploads/1/3/2/6/132681891/1449775.pdfIn PDF document text
    • https://kutepazibug.weebly.com/uploads/1/3/4/4/134477769/katipubukowuzaruviv.pdfIn PDF document text
    • https://metolokinazez.weebly.com/uploads/1/3/1/4/131452743/garodojitivij-waxaki-mugipe.pdfIn PDF document text
    • https://tuxakosubulep.weebly.com/uploads/1/3/4/0/134012578/7567328.pdfIn PDF document text
    • https://risimapi.weebly.com/uploads/1/3/4/3/134321435/b1920.pdfIn PDF document text
    • https://dabikosetizoje.weebly.com/uploads/1/3/4/2/134234987/4657387.pdfIn PDF document text
    • https://xelexezeni.weebly.com/uploads/1/3/0/7/130740222/5085446.pdfIn PDF document text
    • https://xowimigijik.weebly.com/uploads/1/3/1/6/131637135/e919b7.pdfIn PDF document text
    • https://mumovukejepi.weebly.com/uploads/1/3/1/4/131483147/9336405.pdfIn PDF document text
    • https://jubuxazule.weebly.com/uploads/1/3/4/5/134585976/1823875.pdfIn PDF document text
    • https://lugivizukur.weebly.com/uploads/1/3/1/8/131871894/zuwiwilaw.pdfIn PDF document text
    • https://bamewubi.weebly.com/uploads/1/3/2/3/132303354/8493173.pdfIn PDF document text
    • https://vavunoruluso.weebly.com/uploads/1/3/1/0/131070491/8148506.pdfIn PDF document text
    • https://xasevezivim.weebly.com/uploads/1/3/5/3/135302984/001d3b990e216.pdfIn PDF document text
    • https://sinitilelimokiz.weebly.com/uploads/1/3/4/3/134348988/lekitug.pdfIn PDF document text
    • https://rewizefugubopu.weebly.com/uploads/1/3/4/2/134266162/2038907.pdfIn PDF document text
    • https://segojojozifad.weebly.com/uploads/1/3/4/3/134324481/e7da7.pdfIn PDF document text
    • https://notesigul.weebly.com/uploads/1/3/4/6/134689219/0e534af.pdfIn PDF document text
    • https://damepigafu.weebly.com/uploads/1/3/4/7/134725174/vorujuzuvo_rafavajaj.pdfIn PDF document text
    • https://wazivako.weebly.com/uploads/1/3/0/9/130969042/taxagizowutuxevoj.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_off0000c739.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC739 17056 bytes
SHA-256: a0fddf89a2d1f8b4a1133f5f396d4df8806e9cc590a26a861068420210087bd9
font_01_sfnt_off0000f3ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3CE 10612 bytes
SHA-256: 0d67f56725fab152e175a3914f76dcfc4c6906783d44d7cc781cd9e539cba2f9
font_02_sfnt_off00010bf8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BF8 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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