Malicious PDF — malware analysis report

Static analysis result for SHA-256 1eb18f081f5f06c4…

MALICIOUS

PDF

50.6 KB Created: 2021-01-11 11:10:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: c4e875bebf415739caeeb42f02ab463a SHA-1: a8d5a5a6b2c78369d39f0bbb06f3e54147f414ec SHA-256: 1eb18f081f5f06c452721decdf391235141c480ef96adbaef6d35a71338b32ea
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF was flagged by ClamAV as malicious and an ML classifier indicated a high probability of maliciousness. The document contains numerous embedded URLs, functioning as a link farm, with at least one URL pointing to a domain associated with malicious activity. The presence of a link farm and the malicious classification suggest a phishing or redirection attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5627

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://traffset.ru/aws?utm_term=ice+sheet+greenland+melting PDF link annotation
    • https://site-1189714.mozfiles.com/files/1189714/headache_diary_template.pdfIn PDF document text
    • https://sizemerekev.weebly.com/uploads/1/3/1/6/131606963/xinusiretakodopixi.pdfIn PDF document text
    • https://site-1166064.mozfiles.com/files/1166064/dewalt_1400_radial_arm_saw_manual.pdfIn PDF document text
    • https://sekiwamabo.weebly.com/uploads/1/3/4/7/134729119/473d7.pdfIn PDF document text
    • https://cdn.sqhk.co/vovewotutal/ckia8gf/90556331278.pdfIn PDF document text
    • https://site-1191779.mozfiles.com/files/1191779/lemon_drizzle_cake_recipe_simple.pdfIn PDF document text
    • https://site-1227582.mozfiles.com/files/1227582/joycon_droid_download.pdfIn PDF document text
    • https://fimozafovobas.weebly.com/uploads/1/3/2/7/132741130/e1017b.pdfIn PDF document text
    • https://s3.amazonaws.com/jitimesolagun/zemanolidikow.pdfIn PDF document text

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