Malicious PDF — malware analysis report

Static analysis result for SHA-256 10e8e6ab5f19d7b7…

MALICIOUS

PDF

46.2 KB Created: 2021-03-10 15:57:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: f6b1199cf0078e9dc23b1430bb0ce5ab SHA-1: 36ac57781a41b6145bd69d7e5e97085f161fa491 SHA-256: 10e8e6ab5f19d7b7016a52256bb9e5ed031acdeef777371237bf5f42b7d8c9b5
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF that contains an embedded URI pointing to a suspicious domain, identified by ClamAV as a phishing trojan. The document body, though heavily obfuscated, appears to be related to academic content, suggesting a lure. No scripts were extracted, but the presence of the malicious URL and the ML/ClamAV detections strongly indicate a phishing attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7433

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://crophysi.ru/award?keyword=pronunciation+of+regular+past+tense+verbs+pdf PDF link annotation
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    • https://cdn.sqhk.co/pasededi/mjgjeSI/vidumiwir.pdfIn PDF document text
    • https://s3.amazonaws.com/jinabom/what_was_the_long-term_significance_of_the_marbury_v._madison_ruling.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3b774e0d-f0bd-40f0-91a4-65c0d4aba5ea/craftsman_wet_dry_vac_attachments.pdfIn PDF document text
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    • https://uploads.strikinglycdn.com/files/6e57cb4a-a7fa-4c69-ab52-cdaaa3f115de/bill_james_baseball_abstract_1987.pdfIn PDF document text
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    • https://uploads.strikinglycdn.com/files/87844d4c-92bd-4075-8820-d3972c901228/english_literature_masters_programs_in_canada.pdfIn PDF document text
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