PDF malware analysis — malicious · 0bb86a142f863948

MALICIOUS

PDF

4.7 KB Authoring application: Forezowic

MD5: d053b475e308df10801941bb261cf312 SHA-1: 6b350049c81e73efae9f9afcd3892194bb2d0245 SHA-256: 0bb86a142f863948350c6aead05db41e2aa291d3c951b63d6bf71a08d1faf20d

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript, identified by multiple heuristics and ClamAV detection as a known exploit (Pdf.Exploit.Agent-23647). The JavaScript code is obfuscated but appears to construct a string and then execute it, likely to download and display a second-stage payload. The ML classifier strongly indicates maliciousness.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Exploit.Agent-23647 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-23647
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.

Filename	Kind	Source	Size
`javascript_obj0011_000.js` `da2a00572fb6c35fe89049e88f9d4f652c1bcb83f70a478d9ed3e77762122e90`	pdf-javascript-stream	PDF /JS object 11 at offset 0xD3D	1341 bytes

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