Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb8ee84acbe4fb98…

MALICIOUS

PDF

78.1 KB Created: 2022-04-16 07:36:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-08
MD5: 83d0f0149f8b7a41d26a513a5c131fad SHA-1: 111cce46f50ea3e5af3f09b960e95582fabd4e3e SHA-256: cb8ee84acbe4fb98208fcc11c5256b0a9ce584b43fdc2de0b3b86215005a459d
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://sunuf.co.za/YmrXLWy8?keyword=how%20to%20install%20sketchup%20pro%202019 PDF link annotation
    • http://www.asbea.org.br/assets/plugins/kcfinder/upload/files/bimajamuxuxarokowag.pdfIn PDF document text
    • https://ateliersmq.com/pevron/www/img/file/64139555895.pdfIn PDF document text
    • https://volifutizur.weebly.com/uploads/1/3/4/6/134602954/tovixugizaguvu-tiwavugo-derajapodabi.pdfIn PDF document text
    • https://givovirudodax.weebly.com/uploads/1/3/4/5/134587764/1f1348a48.pdfIn PDF document text
    • https://juvivufoli.weebly.com/uploads/1/3/5/3/135325295/0a5ff931e97d.pdfIn PDF document text
    • https://xadaxegaku.weebly.com/uploads/1/3/4/4/134444747/b430390a.pdfIn PDF document text
    • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/162405cb640aca---59222979420.pdfIn PDF document text
    • http://kungfubp.hu/admin/assets/images/files/91353265021.pdfIn PDF document text
    • https://idosekotthonaveresegyhaz.hu/files/files/zoterakixidovavozarik.pdfIn PDF document text
    • https://bexukisutiso.weebly.com/uploads/1/3/0/8/130873741/2649839.pdfIn PDF document text
    • https://fewadagagex.weebly.com/uploads/1/3/4/5/134594838/5a5b077a26ef.pdfIn PDF document text
    • http://alltechsro.cz/files/91367783418.pdfIn PDF document text
    • http://0vote.com/ckfinder/files/69844206852.pdfIn PDF document text
    • https://sajorezofadem.weebly.com/uploads/1/3/3/9/133999754/46b878205.pdfIn PDF document text
    • https://wuraruxirike.weebly.com/uploads/1/3/1/4/131453605/jademoxemaful_kofenim.pdfIn PDF document text
    • https://bupuvebawa.weebly.com/uploads/1/3/2/7/132740405/7473565.pdfIn PDF document text
    • https://tipuzivi.weebly.com/uploads/1/3/0/9/130969377/sugujisojix.pdfIn PDF document text
    • http://partnerplus30.ru/images/fornews/files/funizivorol.pdfIn PDF document text
    • https://basse-indre.kendalch.com/upload/files/33842425467.pdfIn PDF document text
    • http://magischtheater.nl/userfiles/file/56470210974.pdfIn PDF document text
    • http://sor1310.com/userfiles/file/gudajovetabarosikofu.pdfIn PDF document text
    • https://xoforovujedopod.weebly.com/uploads/1/3/4/5/134587448/gotoxutonorak-petivararezu-nosip.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_off0000ca23.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000ca23.bin)

Related samples 5

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_off0000ca23.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCA23 11204 bytes
SHA-256: 6f5acc33db6b5dc63f5de1d0f1cc1b9c68c1a7a32cc1e9a58b2e69a97544758f
font_01_sfnt_off0000e468.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE468 17520 bytes
SHA-256: f05089ca64a58e2c30760fec60ddb146c5c4ed342a396bbc3ab4084754961c62
font_02_sfnt_off00011229.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11229 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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