Malicious PDF — malware analysis report

Static analysis result for SHA-256 afddf10f7450a3b4…

MALICIOUS

PDF

12.5 KB
MD5: 4190bd4c07bb7c2352dec4fa3ccb7a26 SHA-1: 2fe49728a7a9a3559e4117209c88e38935c20962 SHA-256: afddf10f7450a3b458e2190c8010ca2d36d2c923c3bbdb0395df01022953000e
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by multiple heuristics and the presence of a large JS stream. This JavaScript is likely used to exploit a vulnerability within the PDF reader, leading to the execution of malicious code. The ClamAV detection 'Pdf.Exploit.Agent-36723' further supports the malicious nature of this file, suggesting it's designed to deliver a secondary payload.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36723 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36723
  • 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
1e185cf9d38ad5767611e5c6be2516156d4476e7e280cdf92f26a1015858fa45		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11740 bytes

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