Malicious PDF — malware analysis report

Static analysis result for SHA-256 f470f0dd158a0ddc…

MALICIOUS

PDF

8.9 KB
MD5: a96a243cb8604c7f82d31e37ea55bf0d SHA-1: 97b2d8f280075ca45966117149761dc7d2653809 SHA-256: f470f0dd158a0ddc60b16afcfb2cef145317b36339e33f55b7170ea645dab550
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.001 Spearphishing Attachment T1204.002 Malicious File

The file is a PDF document flagged by ClamAV as Pdf.Dropper.Agent-7357100-0 and a machine learning classifier. Heuristics indicate the presence of embedded JavaScript, which is often used in malicious PDFs to download and execute further stages. The large size of the embedded JavaScript stream (16910 bytes) suggests complex or obfuscated code, likely for payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7357100-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7357100-0
  • 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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0069_000.js
589b13de2b1a2eb23fd33562597cd8677ada4f0142331792db863d78a9a0103b		 pdf-javascript-stream PDF /JS object 69 at offset 0x1BE 16910 bytes

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