Malicious PDF — malware analysis report

Static analysis result for SHA-256 a4f671e3e1afdf22…

MALICIOUS

PDF

129.1 KB Created: 2022-04-10 01:57:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-01
MD5: 7a85631c9df8167379025c11371afa63 SHA-1: f62480ac267c62b57f316bd696460b9170c76071 SHA-256: a4f671e3e1afdf22c5f0393a31f223a3923f5034672cb92d73d12e37041f07a2
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9382

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://loheb.co.za/XSRYdR1H?utm_term=icon+4055+lofts PDF link annotation
    • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622cc9324e0a6---84267329961.pdfIn PDF document text
    • https://gigawixirebasig.weebly.com/uploads/1/3/1/8/131857482/wurija.pdfIn PDF document text
    • http://test.xn--b1adbeobutb0arf.xn--p1ai/kcfinder/upload/files/jigodopojajawimibazuf.pdfIn PDF document text
    • https://feboratopaw.weebly.com/uploads/1/3/1/3/131383734/a618f10fa015c4.pdfIn PDF document text
    • https://toxejezewigi.weebly.com/uploads/1/3/4/5/134513259/joberutosomujorejej.pdfIn PDF document text
    • https://tokokurud.weebly.com/uploads/1/3/4/7/134744431/9cf7a47b0cc951.pdfIn PDF document text
    • https://dikasawo.weebly.com/uploads/1/3/5/3/135349802/wowoj_ruzuxonekuze_bedexameletiv_gunexaze.pdfIn PDF document text
    • https://dojovirofolabi.weebly.com/uploads/1/3/1/0/131069789/nomafelovipeta.pdfIn PDF document text
    • https://www.ojchamber.com/ckfinder/userfiles/files/44456124357.pdfIn PDF document text
    • https://kgn.pl/files/file/6707454816.pdfIn PDF document text
    • https://gepagalegizexu.weebly.com/uploads/1/3/4/4/134478943/lubomidaxemogel.pdfIn PDF document text
    • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/9fc795f2f6f7ae5bc08b5688fa749770/28273120747.pdfIn PDF document text
    • https://casartigianiudine.busletter.it/ckfinder/userfiles/files/robadelo.pdfIn PDF document text
    • https://autodesk-v2.emailingmanager.com/uploads/editor/file/wabamiselegos.pdfIn PDF document text
    • https://soliduratop.weebly.com/uploads/1/3/2/3/132303261/fadovoxosomoxi.pdfIn PDF document text
    • http://kpglearningbox.com/assets/kcfinder/upload/files/famokugoxixegunepeb.pdfIn PDF document text
    • http://mustafaulusoy.com/dosyalar/File/43702601125.pdfIn PDF document text
    • http://thaisomboonautopart.com/userfiles/files/dufiwalosome.pdfIn PDF document text
    • https://forakisoja.weebly.com/uploads/1/3/2/7/132740641/fagazeredixezatixo.pdfIn PDF document text
    • http://www.fichetalmeria.com/admin/kcfinder/upload/files/18253616025.pdfIn PDF document text
    • https://mgs-on-track.com/app/webroot/userfiles/file/87159492381.pdfIn PDF document text
    • http://farmaciafici.com/userfiles/files/79821074535.pdfIn PDF document text
    • https://xiresipi.weebly.com/uploads/1/3/1/1/131164504/2833409.pdfIn PDF document text
    • https://xurekibovadava.weebly.com/uploads/1/3/0/9/130969225/3603505.pdfIn PDF document text
    • https://www.webursitet.ru/kcfinder/upload/files/41223566101.pdfIn PDF document text
    • https://juroluse.weebly.com/uploads/1/3/1/0/131071309/6490663.pdfIn PDF document text
    • https://myleague.vn/uploadfiles/kcfinder/files/galososufasomijeborupuro.pdfIn PDF document text
    • https://kapofered.weebly.com/uploads/1/3/2/6/132680839/892ed25.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_off00019692.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00019692.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00019692.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19692 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0001aea9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1AEA9 10128 bytes
SHA-256: 6fa71da65d925420ec22a97c40da5ebffbfd586bdecd00543224d290e553f68b
font_02_sfnt_off0001c580.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1C580 17844 bytes
SHA-256: 67466cba578a3d57179b17874a2d1d875e7f422641a8786742947080afb0b585