Malicious PDF — malware analysis report

Static analysis result for SHA-256 29925b1f1e847070…

MALICIOUS

PDF

67.0 KB Created: 2021-02-17 08:48:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: db860b0f3d2b3d639768c090e62d9837 SHA-1: c6490e0896bd57a1686ca02a730f929e5a3e2dee SHA-256: 29925b1f1e8470705a72ae6c4e84287fadb6df97c7b968e1bfa8b1876870c5c3
154 Risk Score

Malware Insights

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

The PDF contains a significant number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic, suggesting a malicious intent to redirect users. The ML classifier and ClamAV detection further support its malicious nature. While no scripts were extracted, the embedded URLs and the nature of the heuristics point towards a phishing or malicious redirection scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9381

Heuristics 4

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://bologen.ru/strik?utm_term=sentence+of+weekend+in+english PDF link annotation
    • https://cdn.sqhk.co/fufigavaki/iVjdhd3/dudaro.pdfIn PDF document text
    • https://cdn.sqhk.co/pidodalatip/mNggnzE/best_cruise_to_south_america_and_antarctica.pdfIn PDF document text
    • https://goxatuzibifonev.weebly.com/uploads/1/3/0/7/130739188/wijufigavetowim.pdfIn PDF document text
    • https://bomejafir.weebly.com/uploads/1/3/4/7/134725936/gawedizilemilo-sexunelikosibi-xixakurafazas-konomivix.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/vunizi/wuminupubetixe.pdfIn PDF document text
    • https://s3.amazonaws.com/tulosa/lularowimaw.pdfIn PDF document text
    • https://s3.amazonaws.com/zuses/rajasthan_jail_warder_exam_answer_key.pdfIn PDF document text
    • https://s3.amazonaws.com/zarusegibitumet/nesoden.pdfIn PDF document text
    • https://s3.amazonaws.com/nojemi/44009652621.pdfIn PDF document text
    • http://tujevudaxuxos.epizy.com/6x9_booklet_envelope_template.pdfIn PDF document text
    • https://s3.amazonaws.com/voxipanovigepiv/25607670997.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ee2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE2B 5236 bytes
SHA-256: a5d852c28033bee7ece5ea0cf5f699bb4a2e3574a129dcae70485707a6603110

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