Malicious PDF — malware analysis report

Static analysis result for SHA-256 26897d09a21faf95…

MALICIOUS

PDF

70.2 KB Created: 2020-12-28 08:17:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: acce74549d8d4913eb1b32fdbfa68505 SHA-1: cf13fcf95f70fbf5108a721db0712344814c5198 SHA-256: 26897d09a21faf95928ad9cc9e9e673d60d1df6d15088906bee7aac0aab6026b
186 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains numerous external links, many pointing to disposable hosting services, suggesting a link farm or phishing operation. The primary URL 'https://trafffe.ru/strik?utm_term=dune+2000+streaming' indicates a lure for streaming content, likely to distribute malware or phish credentials. ClamAV and ML classifiers also flagged this PDF as malicious, supporting the phishing and potential malware distribution intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 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://trafffe.ru/strik?utm_term=dune+2000+streaming PDF link annotation
    • https://valogasode.weebly.com/uploads/1/3/4/3/134320371/b506ebeb5.pdfIn PDF document text
    • https://fofirajajamide.weebly.com/uploads/1/3/4/6/134643930/78932c760bd3bb.pdfIn PDF document text
    • https://zofifonanofanap.weebly.com/uploads/1/3/4/8/134876640/4228766.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369916/normal_5fe76ac313a1b.pdfIn PDF document text
    • https://gawozigojuvapa.weebly.com/uploads/1/3/4/8/134896601/8639235.pdfIn PDF document text
    • https://sovokuragul.weebly.com/uploads/1/3/2/8/132814371/sozatadomes.pdfIn PDF document text
    • https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/kemadifenozegi_dupovema_pukoxapexe.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383340/normal_5fc922e148d14.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365551/normal_5f874c2a04fe7.pdfIn PDF document text
    • https://sagudazotimoja.weebly.com/uploads/1/3/4/7/134753003/fajugozumiwilufupok.pdfIn PDF document text
    • https://vimarunuwib.weebly.com/uploads/1/3/4/3/134356039/lakugukip_jimumeli.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/6e1c4dbc-1692-4b3f-89e1-7060e57c99c5/66740203721.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2631e4c9-1a00-49f7-ac79-b0808d04c965/canon_vixia_hf_r80_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/39dea125-91f1-435b-9e4f-5eb9e2fa423c/1900.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_off0000d4d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD4D8 5244 bytes
SHA-256: b410b4c752a2149a625c7263ef843f6a0f661d889c5ae2deed9b4e1eaa822715
font_01_sfnt_off0000e6a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6A0 11432 bytes
SHA-256: da66f2f253315c4cc04f4873ef64dbb15c96b94f83e2c12ad59074206034022c