PDF malware analysis — malicious · 503bec2f14841167

MALICIOUS

PDF

7.3 KB Authoring application: Tooqimeqipigafara (via 33de5Renizaxizo)

MD5: 606476c98d56ce19aeddcf4fc078541b SHA-1: 63c656a0ca10f42331ef062d748b2b4a38225abe SHA-256: 503bec2f14841167392028cc91760359e7ef548b11f107ae3cf283bbfc5f2178

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.002 Spearphishing Attachment

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV also flagged it as Heuristics.PDF.ObfuscatedNameObject, suggesting a malicious obfuscation technique. The embedded JavaScript is likely designed to exploit a vulnerability within the PDF reader to execute arbitrary code, potentially leading to further malicious activity. The authoring application information is also suspicious.

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_obj0010_000.js` `b53e27bbdeba8c818850cc3826b3d643c06114ca0ccd161a827d53f8e26598c4`	pdf-javascript-stream	PDF /JS object 10 at offset 0x130D	2214 bytes

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