Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1b78641bb0040de…

MALICIOUS

PDF

12.4 KB
MD5: 5362f02b8255f663d3f6cda5dccaea64 SHA-1: 4992700690d9a18ec7bd1c870d75a7338186a399 SHA-256: c1b78641bb0040de2a11e18dfbeded8e56744beb4c64b9b038badd87765665a3
76 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV detection confirms this is a malicious sample, identified as Win.Trojan.Agent-36281. The embedded JavaScript is likely responsible for executing the malicious payload, although its specific actions are not detailed in the provided evidence.

Heuristics 3

  • ClamAV: Win.Trojan.Agent-36281 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Agent-36281
  • 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
e6f5c21fdec1ac55807f1936cebd8f394f20348e8064c58f5fae576e1bc70629		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11599 bytes

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