Malicious PDF — malware analysis report

Static analysis result for SHA-256 af25434e5660e025…

MALICIOUS

PDF

76.1 KB Created: 2022-03-27 14:50:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: d04b98818bb87c8f6adb43bdfca1cc04 SHA-1: 2f047419df2bbcbaafad00436ec23e9e209bbafe SHA-256: af25434e5660e025f336b4674abb4ede80449aac7c93f3c1f43ad23d9a81337c
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://mifuj.co.za/YmrXLWy8?keyword=tipos%20de%20sistemas%20economicos%20que%20existen%20en%20la%20actualidad PDF link annotation
    • https://padilokemim.weebly.com/uploads/1/3/1/3/131381900/naposomixe.pdfIn PDF document text
    • https://kowasazupajobex.weebly.com/uploads/1/3/1/3/131383373/wosagedakuroniz.pdfIn PDF document text
    • https://vesitunerenos.weebly.com/uploads/1/3/5/3/135338192/89e8dc73b7.pdfIn PDF document text
    • https://mubojage.weebly.com/uploads/1/3/4/3/134377346/nazezadet.pdfIn PDF document text
    • https://xowavitidew.weebly.com/uploads/1/3/4/3/134381641/31eb278ab3d.pdfIn PDF document text
    • https://vunulenib.weebly.com/uploads/1/3/2/3/132303041/denezizapuz-dozulopanozire.pdfIn PDF document text
    • https://susokeruno.weebly.com/uploads/1/3/4/6/134656617/voderawafuludulizumu.pdfIn PDF document text
    • https://simipupipez.weebly.com/uploads/1/3/4/7/134716676/welesir.pdfIn PDF document text
    • https://desofaris.weebly.com/uploads/1/3/4/6/134612921/mitegi.pdfIn PDF document text
    • https://tovawifigilad.weebly.com/uploads/1/3/0/7/130776196/tojutiwuxedo-ratodezumusor.pdfIn PDF document text
    • https://mumetimobenuja.weebly.com/uploads/1/3/2/3/132302956/7215546.pdfIn PDF document text
    • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/worozinivolake.pdfIn PDF document text
    • https://xabomipa.weebly.com/uploads/1/3/4/4/134484571/540970a2826.pdfIn PDF document text
    • https://winalefumigis.weebly.com/uploads/1/3/1/4/131437210/47fe4.pdfIn PDF document text
    • https://towowiwegopute.weebly.com/uploads/1/3/4/0/134019464/lunesawixi.pdfIn PDF document text
    • https://wetivaxidufe.weebly.com/uploads/1/3/4/8/134891283/1125516.pdfIn PDF document text
    • https://vonuxunip.weebly.com/uploads/1/3/4/3/134377821/vubezuduzewela-goduvitidu-mikiluwuv-pibekuxamejuzi.pdfIn PDF document text
    • https://bamewubi.weebly.com/uploads/1/3/2/3/132303354/2304726.pdfIn PDF document text
    • https://fajenususa.weebly.com/uploads/1/3/4/5/134588094/bugonexu.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_off0000c68d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC68D 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off0000dd31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD31 10888 bytes
SHA-256: 1129d3c5b93166332306d512123033133f72d95b656ed87213060bc65cbf5267
font_02_sfnt_off0000f62d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF62D 16756 bytes
SHA-256: e6a97015ea581511ad1fe97d56ee280be9a642bc1377f90e717e66e003643ec3

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