Malicious PDF — malware analysis report

Static analysis result for SHA-256 22bde62fa8f81002…

MALICIOUS

PDF

37.0 KB Created: 2020-10-12 04:22:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-02
MD5: 581496815fabfd9f57259c837e54c73f SHA-1: 8b3a6022a04148978d9a4aff1b65f8c62a55e469 SHA-256: 22bde62fa8f810020836d240786a6c45ba5e6799455d09fb25ccba0c9f0ff1ba
124 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://cctraff.ru/strik?keyword=manual+de+uso+aire+acondicionado+mirage In PDF document text
    • https://site-1041381.mozfiles.com/files/1041381/1459021160.pdfIn PDF document text
    • https://site-1036772.mozfiles.com/files/1036772/wanovep.pdfIn PDF document text
    • https://site-1036737.mozfiles.com/files/1036737/17287849231.pdfIn PDF document text
    • https://site-1044201.mozfiles.com/files/1044201/96112458945.pdfIn PDF document text
    • https://site-1039667.mozfiles.com/files/1039667/43902002613.pdfIn PDF document text
    • https://site-1038999.mozfiles.com/files/1038999/20381946409.pdfIn PDF document text
    • https://site-1036815.mozfiles.com/files/1036815/mapopiruxojoje.pdfIn PDF document text
    • https://site-1038600.mozfiles.com/files/1038600/29420699883.pdfIn PDF document text
    • https://site-1037922.mozfiles.com/files/1037922/94949924573.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/b0684f0b-0b9f-4b8c-962a-82350bde11da/nurefopidufugoxenire.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/be0c4044-0b1e-4e7b-8460-54e8c4756eeb/vejupafetolexevanetodot.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004f6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F6F 5264 bytes
SHA-256: 9cccee05371fe87c2b1116b5f0bc7026170a7cf6bc3429df3436534e4e58a336
font_01_sfnt_off0000613e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x613E 10960 bytes
SHA-256: 891270f78d0342beb85d5bb07dc36976fb083e708cd0485289d78a70efda4eac