Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a2c60458fe1f3ef…

MALICIOUS

PDF

12.6 KB
MD5: ab1ae53ab63809eaca424fee17101239 SHA-1: e5dfdecd2617195629326dbd3f8e85e14810cc11 SHA-256: 9a2c60458fe1f3efd58dbafcee544f37d98e663b23028819b66601fdd5fd17da
106 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: Malicious JavaScript

The PDF file was flagged as malicious by ML classifiers and ClamAV, specifically identified as Pdf.Dropper.Agent-7285713-0. It contains embedded JavaScript, which is a common technique for dropper malware to download and execute additional malicious content. The ML classifier's high confidence score further supports the malicious nature of the file.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7285713-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7285713-0
  • 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_obj0076_000.js
3242cf852cbd42960e1a157c16d8f33ba6629f31b4c476ee3ca89e94f9a31a92		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11841 bytes

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