PDF malware analysis — malicious · e4513321cb1f9a3d

MALICIOUS

PDF

7.3 KB Authoring application: Tooqimeqipigafara (via 040a4Renizaxizo)

MD5: 70dd49cef87e8ddb3d2ea5f0eed000c6 SHA-1: c120e0c1d1548c530ca1fb99fe4daa4aaeea7848 SHA-256: e4513321cb1f9a3de3fae9c1b06d04405571993f09d2e5950fa6e98269bdefc2

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The file is a PDF containing embedded JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV also flagged it with Heuristics.PDF.ObfuscatedNameObject, suggesting obfuscation techniques common in malicious PDFs. The embedded JavaScript is likely responsible for executing the malicious payload, potentially exploiting a known PDF vulnerability to achieve this. The exact intent of the script is unclear due to obfuscation, but its presence in a malicious PDF strongly suggests it's used for delivering further malware or facilitating an exploit.

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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