PDF / .SWA malware analysis — malicious · 1a37cb8ee4b30ff3

MALICIOUS

PDF / .SWA

7.2 KB Authoring application: Bofatezozinefaxfa (via a05bcVogewojixariuawi)

MD5: 7569ce9a8db28ddfe986db5908d5c867 SHA-1: 2c87aaa2745c93da7a0f92f7b29a5e116a705048 SHA-256: 1a37cb8ee4b30ff3f48c5255e926b323a78494a39f96574c4bc9b7688d1f2b34

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is a PDF containing obfuscated JavaScript, as indicated by multiple heuristic firings including ClamAV's detection of an obfuscated name object. The embedded JavaScript stream, named 'javascript_obj0011_000.js', is the primary indicator of malicious activity. This script is likely designed to exploit a vulnerability within the PDF reader to execute arbitrary code, leading to a malicious payload download or execution.

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` `ca838ab153ea9de4fff1e74bdd0848fd720f71bc6fbee4425be234136cd19b41`	pdf-javascript-stream	PDF /JS object 11 at offset 0x1349	2325 bytes

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