Malicious PDF — malware analysis report

Static analysis result for SHA-256 99f8268255e26510…

MALICIOUS

PDF

12.7 KB
MD5: 5ce62189a1e03770432cae35860ff1c5 SHA-1: 8529a0bd8811411b45a34a4b2634ee46e99847fd SHA-256: 99f8268255e265100421169ba3cd14bcb4149e20b7bdf17738fea87536951565
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, which is a common technique for delivering malware. The embedded JavaScript is likely responsible for downloading and executing a secondary payload, as indicated by the ClamAV detection of Win.Trojan.Agent-36280. The heuristics suggest the JavaScript is executed via an action within the PDF structure.

Heuristics 3

  • ClamAV: Win.Trojan.Agent-36280 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Agent-36280
  • 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
0da7e9f531c4da6a69057ebaac352404b5cb84821f2c8247e50715a81e4219f5		 pdf-javascript-stream PDF /JS object 76 at offset 0x383 11888 bytes

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