Malicious PDF — malware analysis report

Static analysis result for SHA-256 c918e476fe429bbb…

MALICIOUS

PDF

52.6 KB Created: 2021-08-05 15:21:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: 0b0f9c0b92db3fe62c5ec6126ee8d420 SHA-1: 0f67679313246b8103eb948ddf19d54bc89abff8 SHA-256: c918e476fe429bbbdcc7fc55d6b62887d1fd9d67a42481e8d80e46acc12e3418
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating embedded URLs. The presence of multiple unknown-reputation URLs suggests an attempt to host or link to malicious content. No scripts were extracted from this sample, limiting the ability to determine specific execution behavior.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7043

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 http://tramtronbetong.com/uploads/userfiles/file/21929920102.pdf In PDF document text
    • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce56d1d32e---tilenar.pdfIn PDF document text
    • https://ystechpro.com/nbloom/fckuploads/file/2496124189.pdfIn PDF document text
    • http://php-lounge.de/userfiles/file/pibapiwopigipagubera.pdfIn PDF document text
    • https://bravo-hk.com/userfiles/file/kuvopagopane.pdfIn PDF document text
    • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/ucio007hlni5vm5pei8noqhiaq/85232122248.pdfIn PDF document text
    • http://klimatyzacjaradom.pl/userfiles/file/barogajiripozigokuxoz.pdfIn PDF document text
    • https://shipnhanh247.vn/asset/files/86623908341.pIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=er%C3%B6rterung+muster+schuluniformPDF link annotation

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