PDF malware analysis — malicious · f660cd506eb3f53b

MALICIOUS

PDF

2.7 KB Created: 1220-01-01 Authoring application: 22

MD5: c6986ef83f19f8ebc7950d2b93c14341 SHA-1: abb4e9b2f12105e821bba292a6207d30697cbee4 SHA-256: f660cd506eb3f53bb44f48bc0dac01dac13ec4f5f2822db47c3867741dd1d5b3

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 Scripting: JavaScript

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The ClamAV detection 'Pdf.Exploit.Agent-36014' further confirms its malicious nature. The embedded JavaScript file 'javascript_obj0013_001.js' is likely responsible for executing the exploit. The exact function of the script is not fully discernible due to obfuscation, but it is highly probable that it attempts to download and execute a second-stage payload.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36014 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36014
Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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_obj0013_001.js` `403f94b51c80222859de2da2d5299b341487eb8cfb292029a072fdfe97dcb81b`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4814 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 10 eval/decoder/string-building token(s). Carved artifact contains 3 long hex-escaped blob(s).

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