Malicious PDF — malware analysis report

Static analysis result for SHA-256 3bc7f1c8dfed1055…

MALICIOUS

PDF

75.8 KB Created: 2022-03-30 05:49:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-20
MD5: a131cc93b72d1c6d04af2df2be44aeb4 SHA-1: f76d43dfef371e3cce4c7d7fb18cd11e50f76c02 SHA-256: 3bc7f1c8dfed1055f820780a9e482817772ed3d740dafca78147f44216294933
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

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://yoyep.co.za/YmrXLWy8?keyword=ccna%20routing%20and%20switching%20study%20guide PDF link annotation
    • https://febelozo.weebly.com/uploads/1/3/4/5/134599394/422ef3385.pdfIn PDF document text
    • https://vubufuzavedorav.weebly.com/uploads/1/3/4/7/134766784/pikonuxiwitojigaka.pdfIn PDF document text
    • https://pujuwofox.weebly.com/uploads/1/3/4/8/134882524/zemizapoxak.pdfIn PDF document text
    • https://wojasatog.weebly.com/uploads/1/3/4/7/134765175/lisilesi-nifabeled-darubakek-jedafuvikoju.pdfIn PDF document text
    • https://rajidorux.weebly.com/uploads/1/3/1/4/131453086/dokimiwi.pdfIn PDF document text
    • https://eventpro-kontraktorpameran.com/uploaded/files/jibikenidimojago.pdfIn PDF document text
    • https://sipesavuw.weebly.com/uploads/1/3/4/6/134697333/3646208.pdfIn PDF document text
    • http://flexibordj.com/app/webroot/js/kcfinder/upload/files/mawudugivejulupevasile.pdfIn PDF document text
    • https://sagaragevuba.weebly.com/uploads/1/3/4/6/134685912/womajiv-xibetefuxawo-fuzejo-wanexep.pdfIn PDF document text
    • https://kotutoxegaru.weebly.com/uploads/1/3/2/6/132695780/lemunesalenux.pdfIn PDF document text
    • https://zaruteso.weebly.com/uploads/1/3/4/7/134716260/demaw.pdfIn PDF document text
    • https://guwamiludakubor.weebly.com/uploads/1/3/1/4/131453222/podixetafoxum.pdfIn PDF document text
    • https://norafolarujasaw.weebly.com/uploads/1/3/1/4/131453206/nesupunajorovimanitu.pdfIn PDF document text
    • https://muxililepojas.weebly.com/uploads/1/3/5/3/135344509/4387989.pdfIn PDF document text
    • https://xeromikivato.weebly.com/uploads/1/3/2/6/132695960/1153455.pdfIn PDF document text
    • http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/28103623423.pdfIn PDF document text
    • https://kemumapuvepuvi.weebly.com/uploads/1/3/4/3/134311950/fuxepurutopidomatuw.pdfIn PDF document text
    • https://dodesigaf.weebly.com/uploads/1/3/4/6/134656612/zetolulegutu.pdfIn PDF document text
    • https://mogobuzuxoxede.weebly.com/uploads/1/3/0/7/130740257/lumowulenex-xosiwa-guzer.pdfIn PDF document text
    • https://nasaperexi.weebly.com/uploads/1/3/5/3/135351481/zapumekawomeje.pdfIn PDF document text
    • https://zisumujabi.weebly.com/uploads/1/3/5/3/135315444/145619d557904c0.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_off0000c341.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c341.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_off0000c341.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC341 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off0000d9e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9E5 10936 bytes
SHA-256: 808b9433cda5110b5f55b387b607af7341183d30053ea17478bdb3a87306058f
font_02_sfnt_off0000f316.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF316 17820 bytes
SHA-256: fe3bca605b79d2df690aa950feb126db64b3def38e98a1e30988c78ff095d0a0

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