Malicious PDF — malware analysis report

Static analysis result for SHA-256 01872d1ff011ec6e…

MALICIOUS

PDF

75.2 KB Created: 2022-03-29 20:09:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-07
MD5: 1daf01dae29a3c8bac731869a9e66bdd SHA-1: 9a42634638824c0cb839253126cd573ee3e59e9f SHA-256: 01872d1ff011ec6ef8c50d014dc0a5f14a286d99f414a1c2aa32ff046d9c9b89
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 5

  • 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 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 http://wmcbio.com/admin/fckeditor_upfiles/file/2022021414482680554.pdf In PDF document text
    • http://www.masozilina.sk/ckfinder/userfiles/files/kuwuritu.pdfIn PDF document text
    • https://legalages.weebly.com/uploads/1/3/4/4/134442537/95678fa8394b.pdfIn PDF document text
    • https://whereestar.com/marinarubicon/admin/file/1615216574.pdfIn PDF document text
    • http://compufoxmail.com/FCKeditor/editor/filemanager/connectors/userfiles/file/11854350958.pdfIn PDF document text
    • https://gugivubur.weebly.com/uploads/1/3/4/3/134390132/725a63.pdfIn PDF document text
    • http://bingsu.ir/cache/fck_files/file/kafewebem.pdfIn PDF document text
    • http://soc-in.com/data/media/files/80640797421.pdfIn PDF document text
    • http://gewald.ru/content/Files/sarerazefupewi.pdfIn PDF document text
    • https://educhina.mn/editor/files/3850721042.pdfIn PDF document text
    • http://program-pro.ru/userfiles/files/babezijuvirogebiruwedamiv.pdfIn PDF document text
    • https://mumovukejepi.weebly.com/uploads/1/3/1/4/131483147/jusuragipuvex-vepedafem.pdfIn PDF document text
    • https://sopebanodi.weebly.com/uploads/1/3/4/0/134017095/fefax_nasefasatox_gelezaloxu.pdfIn PDF document text
    • https://licensing-centre.poweredbypaf.com/files/lixod.pdfIn PDF document text
    • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/16222d7f517b4a---80879899302.pdfIn PDF document text
    • https://eneg2011.apda.pt/site/upload/file/10753716334.pdfIn PDF document text
    • http://www.taylormadetc.com/siteadmin/ckfinder/userfiles/files/tabuludonusituzepux.pdfIn PDF document text
    • http://ahchala.com/img/file/jutubipizajavipepikuzu.pdfIn PDF document text
    • https://hatarozatok.martonvasar.hu/ckeditor/kcfinder/upload/files/88699755078.pdfIn PDF document text
    • https://tevav.co.za/YmrXLWy8?keyword=how%20to%20clean%20the%20keurig%20elitePDF link annotation
    • https://hot-pol.com/images/file/kolizepujo.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 extracted file (font_00_sfnt_off0000c3f9.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c3f9.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c3f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC3F9 16684 bytes
SHA-256: 16375a23c0e4e67bd903500d12e3a299a38d28311f79fd476c1740506426d621
font_01_sfnt_off0000ef79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF79 10608 bytes
SHA-256: 70068d50c1878c3854575d663e14dedae204e6125fefafd116038c248bcde64a
font_02_sfnt_off000107a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x107A7 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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