Malicious PDF — malware analysis report

Static analysis result for SHA-256 5523d4f0c323d01c…

MALICIOUS

PDF

78.0 KB Created: 2022-04-08 23:33:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-19
MD5: 6d019341ef6f5cc8c80755cb4fe5325b SHA-1: 7d2aa6d06f0620a520286f580796df3e12f976a5 SHA-256: 5523d4f0c323d01c958fdd14dfaf3fbc141ea9f45bd609dc0c40552a325adda1
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • 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 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://norin.co.za/YmrXLWy8?keyword=is%20the%20book%20the%20monk%20who%20sold%20his%20ferrari%20a%20true%20story PDF link annotation
    • https://thediamangroup.com/_images/files/kifima.pdfIn PDF document text
    • https://paxuxavige.weebly.com/uploads/1/3/4/3/134373921/wolizum-mesafutus-woxeporososug-gixemomadol.pdfIn PDF document text
    • http://longchimvac.net/app/webroot/uploads/files/17426647331.pdfIn PDF document text
    • https://merten-rozetki.su/kcfinder/upload/files/26810263280.pdfIn PDF document text
    • http://ckud.handysociality.com/upload/files/luwozagi.pdfIn PDF document text
    • http://medizator.ru/ckfinder/userfiles/files/9331668904.pdfIn PDF document text
    • http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/35629626402.pdfIn PDF document text
    • https://nepefesin.weebly.com/uploads/1/3/1/4/131410606/3060794.pdfIn PDF document text
    • https://www.gaiascience.com.my/assets/adminpanel/plugins/ckeditor/plugins/kcfinder/upload/files/xezorurugimezirilirode.pdfIn PDF document text
    • http://komornikstargard.com/userfiles/file/98357390781.pdfIn PDF document text
    • http://okun.su/upload/file/95575353075.pdfIn PDF document text
    • https://wowuleraregode.weebly.com/uploads/1/3/4/6/134690179/lidomepibev-xalanetil-japafenefesij.pdfIn PDF document text
    • http://kimsanghun.com/upload/userfiles/file/20222181358169022.pdfIn PDF document text
    • http://www.parkhillhigh.co.za/kcfinder/upload/files/bibokirogejejapupuvuwusu.pdfIn PDF document text
    • http://adance0112.com/upfile/editor/file/5057985392.pdfIn PDF document text
    • http://ingineers.ru/uploads/files/sagototadipikewinuxifo.pdfIn PDF document text
    • http://ambulatorioveterinariocamali.com/userfiles/files/23255267352.pdfIn PDF document text
    • https://www.icdsa21.scrs.in/kcfinder/upload/files/lobop.pdfIn PDF document text
    • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/162103e4799965---logikotaxuk.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_off0000c745.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c745.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c745.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC745 17964 bytes
SHA-256: 0ddddea6cc93de3ecf1266c0f1b5a137e004e189fb18d95af45780c98ac3f589
font_01_sfnt_off0000f575.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF575 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00010d8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D8C 11100 bytes
SHA-256: 0fac503a7e10f75c8f0a456c5cde7082f1085da9564491768d5efebc36c12bba