Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b79352388bdf174…

MALICIOUS

PDF

12.5 KB
MD5: fed0601232827414aa7fb212bc4ca2db SHA-1: 37103e183643f9bb3a2618214a2f5424837e294d SHA-256: 1b79352388bdf174984793dabf665c057ee9e7add2716cbae3d05b0baca8ebaa
76 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File

The PDF file contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV detection confirms the malicious nature, identifying it as Win.Trojan.Agent-36281. The embedded JavaScript is likely designed to execute malicious code upon opening the PDF, potentially leading to further compromise.

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
949aba47dab81a634462d3bc2d597118bf7bd216b8cfa71eb7c643680316ef3e		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11656 bytes

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