Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7d12b88e73e8801…

MALICIOUS

PDF

74.9 KB Created: 2022-04-10 00:50:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-28
MD5: 867bde2aa52d5e719905dc8a471cdbe5 SHA-1: 72597e818a839893907f6247e021ef686bdb3c06 SHA-256: c7d12b88e73e8801a7b3a1d13ff039a9a7ce4592304563d208497a8c4a0212af
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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://lovig.co.za/YmrXLWy8?keyword=lego%20challenge%20cards%20kindergarten PDF link annotation
    • https://bibonatura.hu/ckfinder/userfiles/files/limoba.pdfIn PDF document text
    • http://ceral.pl/ceral/pliki/file/sasolosorejoripujijasuma.pdfIn PDF document text
    • https://faxovidovatage.weebly.com/uploads/1/3/4/3/134378957/rugix.pdfIn PDF document text
    • https://wevubajapema.weebly.com/uploads/1/3/5/9/135958203/8924445.pdfIn PDF document text
    • https://foseludi.weebly.com/uploads/1/3/4/5/134592848/4110727.pdfIn PDF document text
    • https://wroclawmodelshow.pl/ckfinder/userfiles/files/jorubatituxosifig.pdfIn PDF document text
    • https://nada70.org/userfiles/file/vaxalirodapibavibimuzis.pdfIn PDF document text
    • http://stroytehcentr.ru/images/file/47509743133.pdfIn PDF document text
    • https://fusofajo.weebly.com/uploads/1/3/1/4/131438110/sutoxi.pdfIn PDF document text
    • https://www.adamtraveljordan-ru.com/mypanel/includes/ckeditor/kcfinder/upload/files/64965755591.pdfIn PDF document text
    • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/162011533ae3af---77854219958.pdfIn PDF document text
    • https://gekanabedo.weebly.com/uploads/1/3/4/3/134318260/1a32bc04c.pdfIn PDF document text
    • https://nifazupu.weebly.com/uploads/1/3/4/5/134507595/tudet_rivonebas.pdfIn PDF document text
    • https://oalysa.cz/ckfinder/userfiles/files/11427216020.pdfIn PDF document text
    • https://bipakevulof.weebly.com/uploads/1/3/4/6/134602937/7869158.pdfIn PDF document text
    • http://pajurioverslas.lt/ckfinder/userfiles/files/xavukerewafaxum.pdfIn PDF document text
    • https://bezigetomesijag.weebly.com/uploads/1/3/1/0/131070469/4707672.pdfIn PDF document text
    • https://lurabokeriwima.weebly.com/uploads/1/3/7/5/137511490/a87e32c41c07f.pdfIn PDF document text
    • https://vepoxiwoja.weebly.com/uploads/1/3/1/1/131164136/ritefelidapazu_kikidor_bamow.pdfIn PDF document text
    • https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files/jevupezodaxa.pdfIn PDF document text
    • http://www.ak-kresy.pl/newsysn/kcfinder/upload/files/mekovemupiku.pdfIn PDF document text
    • https://jilidakedunig.weebly.com/uploads/1/4/1/3/141317780/a9989d68.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_off0000c030.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c030.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c030.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC030 17444 bytes
SHA-256: 82b258a3e9d13a974084535b0d780e403617f1e611f207987e23be427e2c5895
font_01_sfnt_off0000edb5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDB5 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000105cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x105CC 10696 bytes
SHA-256: 6cf3525f042d147c1231460498020c970777045ba6896bf702976d37c2a82415