Malicious PDF — malware analysis report

Static analysis result for SHA-256 cbb4b907f762ddc5…

MALICIOUS

PDF

12.3 KB
MD5: 4767fb49b3f152f8683d68a79a0045c0 SHA-1: e032c277167b0d6408282e622f2da26078afdc55 SHA-256: cbb4b907f762ddc5fda1a530394b10422a2d93316788833e51958ae0434aa0e0
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV also detected the file as Win.Trojan.Agent-36280. The embedded JavaScript is likely intended to perform malicious actions, such as downloading and executing a second-stage payload, although the specific actions are not detailed due to the lack of script content.

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
4b4463fecbc6b99ddc3ab49225ed8bcd262ae1e859d85778d5bbb716ec5b7e01		 pdf-javascript-stream PDF /JS object 76 at offset 0x383 11447 bytes

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