Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb714e3146ca8fcf…

MALICIOUS

PDF

45.0 KB
MD5: d0181e7fd328b981f5093b689945eab9 SHA-1: 82c987b566d472537ae5fcd38f04246dca1caf04 SHA-256: cb714e3146ca8fcfb7155521d6d5eb2cffa559cb43a0afc94d7ff54c84c95944
76 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript, indicated by multiple heuristic firings and the presence of JS streams. ClamAV detection as 'Pdf.Exploit.Agent-36128' strongly suggests exploitation of a known PDF vulnerability. The large size of the embedded JavaScript streams implies complex malicious functionality, likely involving the execution of further payloads or exploitation of a specific CVE. The document body content is not indicative of a specific lure.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36128 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36128
  • 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0008_000.js
57d8941b1bd1c4a8fff99e4ada410cad93a8b304eb4b45fd879bd83ec450b724		 pdf-javascript-stream PDF /JS object 8 at offset 0x1E7 45305 bytes
legacy_pdfkit_stage_000.js
e98698759d3a5739af7dcddfeff8fd989a7d9cb0e984be5902db4294f331d9cc		 deobfuscated-js double percent-decoded annotation JavaScript at offset 0x1E7 33047 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.