Malicious PDF — malware analysis report

Static analysis result for SHA-256 c3b936e67b1d8bb1…

MALICIOUS

PDF

13.7 KB Created: 2010-03-20 06:46:51 Authoring application: Vecavaytabaf (via Miuitivmide)
MD5: 71c4963525275e94ef101880f9a38a29 SHA-1: e64bb926e33b8c218cc22958b6d7a1117cb39f92 SHA-256: c3b936e67b1d8bb1dac1d0f6f1f9774aeb3f53e14434d2c1d0a52e87b12434e6
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV detection as 'Pdf.Dropper.Agent-7300252-0' strongly suggests this JavaScript is malicious. The likely intent of the script is to download and execute a second-stage payload, characteristic of a dropper malware.

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7300252-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7300252-0
  • 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_obj0022_000.js
d0086801914360c9562692fd54232653b3246ebc45b9c890cc55e254beabe54e		 pdf-javascript-stream PDF /JS object 22 at offset 0x304A 2178 bytes

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