PDF malware analysis — malicious · 2a784b3aa157663b

MALICIOUS

PDF

7.9 KB Created: 2010-09-21 20:42:51 Authoring application: Doxifajahigjobe (via fb3d5Tomawaliuepizi)

MD5: afa8b96a17f2452ad78ae478368329b9 SHA-1: 9dc868a771643ec4ecab52ac7891068fe02c4e47 SHA-256: 2a784b3aa157663bfd825eda91f4491078b7f5ddb59acb0c718de5a3dff404b3

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the 'PDF_JAVASCRIPT' and 'PDF_JS' heuristics. The 'CLAMAV_DETECTION' heuristic with 'Heuristics.PDF.ObfuscatedNameObject' further suggests malicious intent. The embedded JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute arbitrary code, although the specific actions of the script could not be fully determined due to obfuscation.

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` `9106999da8553f6c6b05a4ae46a0e61bbc3c0afca5556084b61a1c3623a2a08e`	pdf-javascript-stream	PDF /JS object 11 at offset 0x133F	3122 bytes

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