PDF malware analysis — malicious · c138306a6350bffe

MALICIOUS

PDF

7.5 KB Authoring application: Jgaxivakafowizasi (via 0881aUohosicilab)

MD5: 564f10f3d338283a7c65626b5471d0a8 SHA-1: ba5a4522abf631657e2fdad092fe0c25dc288348 SHA-256: c138306a6350bffebfe2ced216b80678d289f39a26244e780b9866250babc394

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a javascript_obj0011_000.js artifact. The ClamAV detection 'Heuristics.PDF.ObfuscatedNameObject' further suggests malicious intent. The JavaScript's exact function is not fully discernible due to obfuscation, but its presence within a PDF strongly implies an attempt to exploit vulnerabilities or deliver a malicious payload. The document body is unreadable, providing no further context.

Heuristics 3

ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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` `c35f939b8b08b4458e4f2307d4bfd0afc23546c955e11c1da88e87302e40c9b0`	pdf-javascript-stream	PDF /JS object 11 at offset 0x1358	3029 bytes

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