Malicious PDF — malware analysis report

Static analysis result for SHA-256 4debb2b151bbc301…

MALICIOUS

PDF

87.6 KB Created: 2022-04-05 23:09:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-29
MD5: a7dd4eaac83355ea4535ef56787a50f0 SHA-1: d3cce3125f6f0c55cc42198ee15616825686aee5 SHA-256: 4debb2b151bbc301d115634669adf1d3886ed83a8935eafb2637d405932a39a1
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9986

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 http://degrossier.nl/uploads/file/18349259515.pdf In PDF document text
    • https://texifuxifom.weebly.com/uploads/1/3/0/7/130776695/342893.pdfIn PDF document text
    • https://tabekobos.weebly.com/uploads/1/3/4/8/134869214/fogilovip.pdfIn PDF document text
    • https://peninovafaron.weebly.com/uploads/1/3/4/3/134320426/vujibax-wotefa-soruliwe.pdfIn PDF document text
    • http://delfosventures.eu/userfiles/files/xasaji.pdfIn PDF document text
    • http://fulns.com/uploadfile/fckedit/file/1644727920Zfr9.pdfIn PDF document text
    • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7a65ef6c8603a45afc2f92414aa612a5/34455489829.pdfIn PDF document text
    • https://kuzikumivinoli.weebly.com/uploads/1/3/4/2/134235757/felozu-silepedamuro-watagevewi.pdfIn PDF document text
    • https://tijebojagolerul.weebly.com/uploads/1/4/1/3/141322751/molusudab.pdfIn PDF document text
    • http://aqbnb.com/uploadfile/file/92965175017.pdfIn PDF document text
    • https://dodapufil.weebly.com/uploads/1/3/0/8/130813701/7aed59.pdfIn PDF document text
    • http://nprofit.hk/userfiles/68986446657.pdfIn PDF document text
    • http://librojuridico.com/aym_images/files/7288547431.pdfIn PDF document text
    • http://chmer.yun2u.com/upload/files/51622065785.pdfIn PDF document text
    • http://www.oomedia.com.tw/ckfinder/userfiles/files/58405287974.pdfIn PDF document text
    • http://gsest.com.sa/ckeditor/kcfinder/upload/files/98471849252.pdfIn PDF document text
    • https://gatixitawenubik.weebly.com/uploads/1/3/4/6/134643062/00945ba.pdfIn PDF document text
    • https://lifexego.weebly.com/uploads/1/3/0/8/130874678/kukajasafubaw-tuleki.pdfIn PDF document text
    • http://tachikawa-derma.biz/ckfinder/userfiles/files/43169077866.pdfIn PDF document text
    • http://biplano.eu/userfiles/files/47586221892.pdfIn PDF document text
    • http://www.dinapart.net/frontend/web/kcfinder/upload/files/lisevasom.pdfIn PDF document text
    • https://resonanceacteurs.nl/userfiles/file/xoputaremilifapilukin.pdfIn PDF document text
    • https://rioclaro.com.co/kcfinder/upload/files/fowodenowugigon.pdfIn PDF document text
    • https://wovovude.weebly.com/uploads/1/3/1/3/131397940/bopuralufase-vuvaxuxabokex-xofitozojosela.pdfIn PDF document text
    • https://wirut.co.za/YmrXLWy8?keyword=cyberpunk%202077%20gameplay%20october%202020PDF 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_off0000ec66.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000ec66.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ec66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC66 11224 bytes
SHA-256: 5d84ff5bdcf173db57e6bda42f1380033b9a28471a620dad57cf5b235d058aa4
font_01_sfnt_off000106a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x106A7 18464 bytes
SHA-256: ce04fb00c034b93d3b69090ec755ff187e3ff880472fcdbe0ecaf6c2b0415a76
font_02_sfnt_off00013618.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13618 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1