Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d2ba48372af20ba…

MALICIOUS

PDF

3.2 KB
MD5: cef7c1f1a529b08b7d41e6e55ae9f4d8 SHA-1: 5d80775eea2c7e04f342d8c8e02b92e4a471032b SHA-256: 8d2ba48372af20ba62ee69341df7ea58c335d4b46bdc2ebb5e748ec83bd41ac1
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as 'Pdf.Exploit.Agent-36121' confirms its malicious nature. The embedded JavaScript is likely responsible for executing the exploit, leading to the download or execution of a secondary payload. The lack of document body text means the specific lure cannot be determined, but the technical indicators point to a common PDF exploit delivery mechanism.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
  • 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_obj0007_000.js
81938d26914e84ee2a508985b3561f7e33c3ec3755c5eb02516505219e316cdc		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C7 467 bytes

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