Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e61ff1ece9bb1e…

MALICIOUS

PDF

79.4 KB Created: 2021-10-18 08:45:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: af6d477e8cc4594af2e5bbf4d1b66a88 SHA-1: 46f6f66bf5614c35e2e2afd8c72442e88474612d SHA-256: d3e61ff1ece9bb1e98f27f8bf71216c2d46b5db87d8f04074d47b203d3ca22a6
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9978

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 http://cyuanmei.com/userfiles/file/tizulodexilof.pdf In PDF document text
    • https://theelementrama9.com/userfiles/files/6035344651.pdfIn PDF document text
    • http://muaah.ca/userfiles/files/62200121391.pdfIn PDF document text
    • https://easiestwaytoselltrailers.com/userfiles/file/86902848604.pdfIn PDF document text
    • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/98r488l76n5lfsokcnsa8lauh0/9818120259.pdfIn PDF document text
    • https://wineart.online/userfiles/file/92763257893.pdfIn PDF document text
    • https://ratsimae.ee/media/contents/file/boparu.pdfIn PDF document text
    • http://tatvideo.ru/ckfinder/userfiles/files/88915241363.pdfIn PDF document text
    • https://healthlantern.com/ckeditor/ckfinder/userfiles/files/44924616285.pdfIn PDF document text
    • https://flexi-cms.com/uploads/file/92518159699.pdfIn PDF document text
    • https://bilalyapidekorasyon.com/userfiles/file/18180821080.pdfIn PDF document text
    • http://olympiad-bigben.ru/ckfinder/userfiles/files/xisikimodibuv.pdfIn PDF document text
    • https://bruceleevideos.org/images/file/62994948924.pdfIn PDF document text
    • http://kultura-vyazniki.ru/sites/default/files/file/lifoleteperan.pdfIn PDF document text
    • http://theponghop.com/upload/files/ropanivobusamabuj.pdfIn PDF document text
    • https://tradingcall.in/ckfinder/userfiles/files/finulowutoguburewimaroge.pdfIn PDF document text
    • http://steinbach.casawell.tw/userfiles/file/20073482395.pdfIn PDF document text
    • http://zonazero.es/userfiles/file/12403225647.pdfIn PDF document text
    • https://skvacations.com/userfiles/file/rebatiwukepuza.pdfIn PDF document text
    • https://dwitunggaljaya.com/sitefiles/file/teninuruvoguzekabudug.pdfIn PDF document text
    • http://fuhua.tumujike.com/assets/upload/files/202109181626106480.pdfIn PDF document text
    • https://aspart.ro/ckfinder/userfiles/files/pufiwisose.pdfIn PDF document text
    • http://liebherr-tr.com/userfiles/file/54243099735.pdfIn PDF document text
    • http://feedproxy.google.com/~r/MbOu/~3/tgwjJlsMqHc/uplcv?utm_term=intervening+meaning+in+tamilPDF 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 PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d2f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2F1 18128 bytes
SHA-256: 4511ee05ca6b0c94b136b333fd889bbc246c9628155cc1d1504b7850c8e1c078
font_01_sfnt_off00010142.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10142 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00011959.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11959 10180 bytes
SHA-256: 69291e8032f9ca9585a5b2baaf543f8783ab37b44f7fb374995d852ddcebd2f5

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