Malicious PDF — malware analysis report

Static analysis result for SHA-256 191f36c44857ab6a…

MALICIOUS

PDF

71.3 KB Created: 2022-03-24 11:56:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: 4ec1220926dff9cdc9c69992f6550e33 SHA-1: 7f292845fe4986f8373329357de9fe5e8102e680 SHA-256: 191f36c44857ab6a34aa4fcb20f43e0a9b187273bdbb98be6f24213bb40b713c
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://lazav.co.za/YmrXLWy8?keyword=how%20do%20i%20reset%20a%20verizon%20router PDF link annotation
    • https://zolowokixo.weebly.com/uploads/1/3/0/7/130738875/f615c.pdfIn PDF document text
    • https://xabopefasuliwik.weebly.com/uploads/1/3/4/4/134445681/bebamozufinene_buxalaxu_gonel_juzudatuvu.pdfIn PDF document text
    • https://rutenavujom.weebly.com/uploads/1/3/0/8/130814208/1580720.pdfIn PDF document text
    • https://vezinamitin.weebly.com/uploads/1/3/5/9/135984824/824b2396d58a6e.pdfIn PDF document text
    • https://fazizutedo.weebly.com/uploads/1/3/4/7/134768054/nokuvub-mojinofewar-kokotepevotewin.pdfIn PDF document text
    • https://desofaris.weebly.com/uploads/1/3/4/6/134612921/novomezubonozox.pdfIn PDF document text
    • https://wutipukuze.weebly.com/uploads/1/3/5/4/135401391/narebubagokoxi.pdfIn PDF document text
    • https://suveruwifofe.weebly.com/uploads/1/3/1/3/131380558/laxipatuwamalix.pdfIn PDF document text
    • https://gebaxugore.weebly.com/uploads/1/3/4/5/134594027/be84d43.pdfIn PDF document text
    • https://venevivoxeda.weebly.com/uploads/1/3/1/8/131857756/125baa72.pdfIn PDF document text
    • https://birexekexujivas.weebly.com/uploads/1/3/1/8/131858685/lavumudekuxolu.pdfIn PDF document text
    • https://vanopatabef.weebly.com/uploads/1/3/1/4/131407067/5765392.pdfIn PDF document text
    • https://fapixuguxoga.weebly.com/uploads/1/3/1/0/131070829/jexudofokuba.pdfIn PDF document text
    • https://monotolifevi.weebly.com/uploads/1/3/4/6/134683372/pedovub.pdfIn PDF document text
    • https://juxepikipoz.weebly.com/uploads/1/3/4/4/134486641/mixalovanapej-zodimevifefi.pdfIn PDF document text
    • https://rujikanonige.weebly.com/uploads/1/3/1/8/131872107/bae14.pdfIn PDF document text
    • https://nidukonijeso.weebly.com/uploads/1/3/1/3/131381088/gozebekaz.pdfIn PDF document text
    • https://xelexezeni.weebly.com/uploads/1/3/0/7/130740222/nulenupikuna_gipapunazefaf_fatozivabijuza_kozawaditiw.pdfIn PDF document text
    • https://rizowowomupi.weebly.com/uploads/1/3/4/3/134344214/7372602.pdfIn PDF document text
    • https://wedodoto.weebly.com/uploads/1/3/5/9/135993452/2d832bef2118d.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_off0000b676.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB676 10500 bytes
SHA-256: 8999e066c633c55e26894c4508b0f69b17c2ea051be88de7d9c9c62f1b7c61b8
font_01_sfnt_off0000ce85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE85 16460 bytes
SHA-256: 12d61be20994fb2936a7a7b1a8c003d4c99d3458e178ac5d725c3177b34c1cfd
font_02_sfnt_off0000f9be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9BE 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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