PDF malware analysis — malicious · 2a22ccc01e729a09

MALICIOUS

PDF

13.1 KB

MD5: 68a5cedc1b60f72e70ea1eddafd7fb41 SHA-1: a9853e7a89ca026cb0114aa7df318bf346096f0b SHA-256: 2a22ccc01e729a096f509ca09ffadceb0b8d3aa0892e8e6dcca3367097ae2b98

116 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript, identified by heuristics as a 'PDF metadata JavaScript eval stager'. This suggests the script is designed to decode and execute arbitrary code, likely to download and run a secondary payload. The ClamAV detection 'Pdf.Exploit.Dropped-94' further confirms its malicious nature. No specific family could be identified from the available evidence.

Heuristics 4

ClamAV: Pdf.Exploit.Dropped-94 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-94
PDF metadata JavaScript eval stager high PDF_METADATA_EVAL_STAGER

PDF JavaScript reads document metadata fields such as title, subject, or producer, decodes character data with parseInt/String.fromCharCode style helpers, and evals the recovered stage. This is a high-signal exploit-kit staging pattern.
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_obj0076_000.js` `354f5f48b0049a345f38b8b15afcc712c4fe2859975d490ea6f8f3fad37024c3`	pdf-javascript-stream	PDF /JS object 76 at offset 0x3218	331 bytes

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