Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6ec5a810dd7d1d3…

MALICIOUS

PDF

70.4 KB Created: 2022-04-11 11:54:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-17
MD5: 6c76eb84f98d259e962e773c9b2d319a SHA-1: 89750a34bc2ac292e0fb0b3948864afcf55227d2 SHA-256: b6ec5a810dd7d1d32b823bbf7914fb03c6a27a66ace3585db3deccd81ad8b216
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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=wario%20land%20super%20mario%20land%203%20gbc%20download PDF link annotation
    • http://yoyaku.com/app/webroot/js/kcfinder/upload/files/47257534365.pdfIn PDF document text
    • https://bitenaluxekuno.weebly.com/uploads/1/3/4/6/134686876/jawak-doludu-tarabip.pdfIn PDF document text
    • https://likukekubusaz.weebly.com/uploads/1/3/1/4/131408788/tosopojux.pdfIn PDF document text
    • https://tutamedu.weebly.com/uploads/1/3/1/8/131856186/4fed1675d40e.pdfIn PDF document text
    • https://boderaraza.weebly.com/uploads/1/3/1/4/131454415/55dcd59a.pdfIn PDF document text
    • https://kuvixajixi.weebly.com/uploads/1/3/1/6/131637850/5491221.pdfIn PDF document text
    • https://spacio.hk/attachment/file/85099509885.pdfIn PDF document text
    • https://jokodizosetetet.weebly.com/uploads/1/4/1/3/141314804/pugifafapov_pumulux.pdfIn PDF document text
    • https://mevukufidax.weebly.com/uploads/1/3/1/3/131379039/9200938.pdfIn PDF document text
    • https://vurigejowuzebad.weebly.com/uploads/1/3/3/9/133997249/nugan.pdfIn PDF document text
    • https://nutefowamedez.weebly.com/uploads/1/3/4/3/134330341/xopufitepoda.pdfIn PDF document text
    • https://doladilaraju.weebly.com/uploads/1/3/4/8/134854069/4668a.pdfIn PDF document text
    • https://qfse.co/images/uploaded_files/ckfinder/files/1644961413_181fda1084.pdfIn PDF document text
    • https://nazisedisan.weebly.com/uploads/1/3/1/8/131871674/favugovajalat.pdfIn PDF document text
    • http://photomoments.ru/userfiles/files/44742621771.pdfIn PDF document text
    • https://tvmreza.tv/ckfinder/userfiles/files/novojiwolesaleg.pdfIn PDF document text
    • https://zabapekiji.weebly.com/uploads/1/3/4/4/134470890/rijelewitume.pdfIn PDF document text
    • https://pafoxewov.weebly.com/uploads/1/3/4/4/134470920/garap_fuvorajovo_fewabuduwar.pdfIn PDF document text
    • https://terojejiw.weebly.com/uploads/1/3/5/3/135348369/dad223c.pdfIn PDF document text
    • https://rokubupudila.weebly.com/uploads/1/3/1/8/131856034/c58b7.pdfIn PDF document text
    • https://pipumemudif.weebly.com/uploads/1/3/4/8/134866913/givadibaror.pdfIn PDF document text
    • http://phonphangschool.com/upload/files/tujovukuvubukaxuzasif.pdfIn PDF document text
    • https://camping-du-lac-dijon.com/userfiles/fichiers/30225857353.pdfIn PDF document text
    • https://zazozoke.weebly.com/uploads/1/3/0/7/130776388/lumafok_megujuso_firoxebumupu_sevakafatu.pdfIn PDF document text
    • https://fobunimo.weebly.com/uploads/1/3/1/4/131407012/sonaduxapire.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_off0000ad2f.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000ad2f.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ad2f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAD2F 11252 bytes
SHA-256: 612abef97ea402ab37b9b62c11415a47c9239bd767c7d528e908daa7b264cbc6
font_01_sfnt_off0000c723.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC723 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000df35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF35 16948 bytes
SHA-256: 0620d7156a6851932b11396c5d026f4fe101bef0813e05ea4328d303148c7472