Malicious PDF — malware analysis report

Static analysis result for SHA-256 487668e5dbaf219d…

MALICIOUS

PDF

72.3 KB Created: 2022-04-13 06:36:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-22
MD5: 138b846ac8920b198e9f13508a73fa5d SHA-1: eff1fe6e660d650f16549667db69bf5e4baa004f SHA-256: 487668e5dbaf219dbf4bc741e2315e17856a327321bd0922893890409a994c68
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://fecuq.co.za/YmrXLWy8?keyword=stanley%20shop%20vac%20user%20manual PDF link annotation
    • http://thumuavechai.com/vietkiendo/upload/file/titoluxebapalo.pdfIn PDF document text
    • https://dunewalowipeli.weebly.com/uploads/1/3/1/8/131856746/c50b20.pdfIn PDF document text
    • http://hotelparkplaza.in/app/webroot/js/kcfinder/upload/files/basos.pdfIn PDF document text
    • https://gumopokexu.weebly.com/uploads/1/3/0/8/130814161/zejewip.pdfIn PDF document text
    • https://refmexgl.com/web/uploads/assets/userfiles/file/tasabur.pdfIn PDF document text
    • http://foto-recepty.sk/images/fotky/62027454582.pdfIn PDF document text
    • https://lockerova.eu/admin/upload/documents/devebirutetozubikov.pdfIn PDF document text
    • https://koforimexaxopax.weebly.com/uploads/1/3/4/8/134862174/2456442.pdfIn PDF document text
    • https://zenovoruzunej.weebly.com/uploads/1/3/4/3/134339910/9541306.pdfIn PDF document text
    • http://2018.letnifestiwal.pl/ckfinder/userfiles/files/runoretik.pdfIn PDF document text
    • https://nepaltravelsandtrekking.com/userfiles/file/55249636880.pdfIn PDF document text
    • https://pewixuzapama.weebly.com/uploads/1/3/4/6/134655392/9857066.pdfIn PDF document text
    • https://tivenudonokokom.weebly.com/uploads/1/3/0/9/130969369/segukifulunudimigas.pdfIn PDF document text
    • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/600e8ecab4cfe2357fa8c02b0793ba6f/98850263693.pdfIn PDF document text
    • https://xiguvopumodajux.weebly.com/uploads/1/3/1/3/131381006/e943b.pdfIn PDF document text
    • https://adenzweb.com/upload/files/45794545742.pdfIn PDF document text
    • https://vovopifibinurit.weebly.com/uploads/1/3/4/6/134654598/febixe_feditino.pdfIn PDF document text
    • https://marthomaktrplrdiocese.org/ckfinder/userfiles/files/81116629656.pdfIn PDF document text
    • https://sujosajuzatitoz.weebly.com/uploads/1/3/5/3/135312362/4444276.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_off0000b4cc.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000b4cc.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b4cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB4CC 16740 bytes
SHA-256: 8699765538eab194194d5de21035c8a3dc7d864355d483cf7c7a64a0d8a5274d
font_01_sfnt_off0000e043.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE043 10904 bytes
SHA-256: cf6fbb748619eb050b904165984b80d65a9bd492a4ec76df70ec8f2dae8775c8
font_02_sfnt_off0000f963.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF963 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1