Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f6f178101c10dd3…

MALICIOUS

PDF

83.8 KB Created: 2022-04-15 16:44:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-30
MD5: b3c8fe3de3f1a4b21ebd6f283f94a204 SHA-1: 3533c265d846c7a2fcd4b0a90afad97160628f32 SHA-256: 8f6f178101c10dd356f5ad4ce8c62f290be8cbff04f8b9643f771255ded04b13
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://fisibevepuror.weebly.com/uploads/1/4/1/3/141395489/7455289.pdf In PDF document text
    • https://kefapadasogimok.weebly.com/uploads/1/3/4/6/134601884/1ea81.pdfIn PDF document text
    • https://bagawilikazukir.weebly.com/uploads/1/3/1/0/131070307/678408.pdfIn PDF document text
    • https://sakidadofedoza.weebly.com/uploads/1/3/4/7/134762178/vazexunade-vubaxigu-monizivenogimo-pideponukolopi.pdfIn PDF document text
    • http://johnmarzillier.com/ckfinder/userfiles/files/87902786227.pdfIn PDF document text
    • http://voyagerav.com/v15/Upload/file/2022223153138584.pdfIn PDF document text
    • https://wokukowuvewa.weebly.com/uploads/1/3/4/3/134316041/4942536.pdfIn PDF document text
    • https://fomemifeju.weebly.com/uploads/1/3/4/7/134769467/zemowukubajevona.pdfIn PDF document text
    • https://joribesufu.weebly.com/uploads/1/4/1/3/141358880/7099681.pdfIn PDF document text
    • https://12shio2.com/contents/files/98255148752.pdfIn PDF document text
    • http://magicfood-cn.com/files/20220409145902.pdfIn PDF document text
    • https://gebobofivogaxe.weebly.com/uploads/1/3/5/3/135308574/butogisebanovadagolo.pdfIn PDF document text
    • https://anthonygillant.com/userfiles/file/tatopu.pdfIn PDF document text
    • https://wazexusevawixi.weebly.com/uploads/1/3/0/7/130776334/kepok-suxudisafibilus.pdfIn PDF document text
    • https://dududizenipurij.weebly.com/uploads/1/3/4/6/134651263/pixum.pdfIn PDF document text
    • https://nakuzimatixibo.weebly.com/uploads/1/3/5/3/135388853/nodadilowuroror.pdfIn PDF document text
    • http://www.beverburcht.nl/upload/files/86081064687.pdfIn PDF document text
    • https://soxokememomoj.weebly.com/uploads/1/3/1/4/131438280/5974818.pdfIn PDF document text
    • https://rudusixan.weebly.com/uploads/1/3/0/7/130775573/9462360.pdfIn PDF document text
    • http://korytnica.net/data/files/jakegidevekuxuwedabuj.pdfIn PDF document text
    • https://lewinibevi.weebly.com/uploads/1/4/1/3/141373701/viwalexanijosum-domumegojosasi-xuteni.pdfIn PDF document text
    • https://bizavewes.weebly.com/uploads/1/3/5/3/135323934/1b6b2ae485c4301.pdfIn PDF document text
    • https://mifuj.co.za/YmrXLWy8?keyword=apple%20time%20capsule%202tb%205th%20gen%20PDF link annotation
    • 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_off0000df90.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000df90.bin)

Related samples 1

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_off0000df90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF90 11532 bytes
SHA-256: 30a268aa434222927045eb80d1235a9ba52bbd08de1f0bbbd3e8eaf72a8111dd
font_01_sfnt_off0000fae4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAE4 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000112f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x112F6 17504 bytes
SHA-256: b442f5a27eb917e2ca70aedf74ed76baf3c439cf910636dc8fe9fea959537596

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