Malicious PDF — malware analysis report

Static analysis result for SHA-256 23f603ff9bbc10a8…

MALICIOUS

PDF

67.0 KB Created: 2021-10-10 02:10:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: 58a9ea7a41d95bbee47671e472c49b3a SHA-1: a60f3861ac5fd4166853280af3047646f09eaf62 SHA-256: 23f603ff9bbc10a89afdef31b8feaca018818d014c51cfccb0486526cfdbaa78
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, suggesting a phishing or malware distribution attempt. The presence of multiple embedded URLs further supports this, as they are likely used to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5597

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://chcial.ru/uplcv?utm_term=most+expensive+armored+car PDF link annotation
    • http://uk-finansist.ru/userfiles/file/48998238490.pdfIn PDF document text
    • http://stacjaregeneracja.pl/userfiles/file/kezagibililo.pdfIn PDF document text
    • http://spalovnachemolak.sk/userfiles/file/kujevozekisivoginuzuxavax.pdfIn PDF document text
    • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161524bc089886---92601260635.pdfIn PDF document text
    • https://coolinterier.sk/upload/files/16486209401.pdfIn PDF document text
    • https://citronel.com/userfiles/files/leligiror.pdfIn PDF document text
    • http://wirheiraten.de/images/file/taxaboziradodikusabire.pdfIn PDF document text
    • https://nppgursaraijhIn PDF document text

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