PDF malware analysis — malicious · b4b2d67f8c69f8c4

MALICIOUS

PDF

54.6 KB Created: 2021-08-16 11:59:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11

MD5: 176b95a2ef37bd537f4404303432b0b6 SHA-1: 9ce5607362f295351eeb8eb70ef4e66581d3442b SHA-256: b4b2d67f8c69f8c433ac9fca780b063b18ed72b4df0ab25510af1849ad90026a

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript and external URIs, indicating an attempt to redirect the user to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The embedded JavaScript is the primary mechanism for executing malicious actions within the PDF.

Machine Learning

Nyx PDF Classifier malicious score 0.8913

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
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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://sailstudy.in/ckfinder/userfiles/files/26200691533.pdf In PDF document text
- https://gyandeepjkss.org/userfiles/file/22075528655.pdfIn PDF document text
- http://klccpa.com/userfiles/file/29578243448.pdfIn PDF document text
- http://www.stsmcc.org/www/js/ckfinder/userfiles/files/93814656388.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=exercices+les+polygones+cm1PDF link annotation

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