Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1054c84a2f1b1d8…

MALICIOUS

PDF

11.1 KB
MD5: c670a514cd0bd8f5f861c03bff562859 SHA-1: fdf90e4a77bae390b49c13ffd07bbd4c289d2ea1 SHA-256: b1054c84a2f1b1d8b7c48cfc686ec3c38c6d9a789b1cff8bee6a7b990fff4517
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV also flagged it as Heuristics.PDF.ObfuscatedNameObject, suggesting malicious intent. The presence of JavaScript within a PDF commonly signifies an attempt to download and execute further malicious content, such as a second-stage payload. Without further analysis of the script's content, the specific family remains unknown.

Heuristics 3

  • ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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.

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