Malicious PDF — malware analysis report

Static analysis result for SHA-256 f838be5cc7c549b9…

MALICIOUS

PDF

12.4 KB
MD5: 800b93f95c91ae88f2600f5c7e8c3acd SHA-1: 83f7bb84167a76ac2eabae3f6598ecccbe7d99cf SHA-256: f838be5cc7c549b97874f6c026cc1562cccce2523d0ef90b5ef96cef5e1bbcb2
76 Risk Score

Malware Insights

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV detection identifies it as Win.Trojan.Agent-36281. The embedded JavaScript is likely responsible for executing malicious actions, such as downloading a second-stage payload.

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
6d11095230994b21aacc6d3a992cadf737f67f687b80250ce915e81cd12f0fbd		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11610 bytes

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