Malicious PDF — malware analysis report

Static analysis result for SHA-256 8bd014ffb6c651e2…

MALICIOUS

PDF

62.9 KB Created: 2021-01-30 00:02:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 2c17317e4551ed521284a378e21bc21c SHA-1: 3406f4af2ff3ca2c1c78678bb8613b199f44bcd7 SHA-256: 8bd014ffb6c651e2631f50e27090a18b78ccbda63d673a558c351935c36cabfa
124 Risk Score

Malware Insights

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

The PDF file contains numerous embedded URLs, many pointing to disposable hosting services, and is flagged by multiple heuristics as malicious and a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the structure and URL patterns are consistent with phishing or malware delivery campaigns.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8407

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 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
  • 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://baarspo.ru/123?utm_term=tree+in+four+seasons+worksheet PDF link annotation
    • https://cdn.sqhk.co/jaxabofapuw/aEjgRjj/smash_ultimate_wifi_warrior_rankings.pdfIn PDF document text
    • https://cdn.sqhk.co/zamodozitip/sDjaejb/xilemigijozelo.pdfIn PDF document text
    • http://arnautmebel.ru/punexifosusosuxegisbgi.pdfIn PDF document text
    • https://cdn.sqhk.co/tenokesime/jipnhjO/70391316988.pdfIn PDF document text
    • http://podarokinsta365.site/25381914509nbiv3.pdfIn PDF document text
    • http://trokot-online.xyz/mine_blasting_licenceibx57.pdfIn PDF document text
    • https://cdn.sqhk.co/zixajofazadi/EWJdNic/96350628440.pdfIn PDF document text
    • http://linudanozuno.iblogger.org/xanevuvutimoxisosef.pdfIn PDF document text
    • http://kanshoper.site/proud_mary_sheet_musicomo18.pdfIn PDF document text
    • https://cdn.sqhk.co/noxomosanena/7Adgw2A/30300422376.pdfIn PDF document text
    • http://myfoxing.online/bibodegopururajemucp5v.pdfIn PDF document text
    • http://cleaner360.shop/97479930336vwo3j.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://diwulabasiluxe.epizy.com/72451507252.pdfIn PDF document text
    • http://wefuzage.epizy.com/xidexogupizugivalasekevug.pdfIn PDF document text
    • https://s3.amazonaws.com/risalenefazozo/lodukogogopewixomab.pdfIn PDF document text
    • http://kamaxunavag.epizy.com/30481131292.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_off0000d438.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD438 4928 bytes
SHA-256: a8ee8b5599eed3dd8aae4e37316c854b5ad498d283071f4a596a7d2ccdd7a3ba

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