PDF malware analysis — malicious · b16e21ac0c7f5365

MALICIOUS

PDF

2.7 KB Created: 8730-01-01 Authoring application: 9989

MD5: b7b3092c1118a78eb56171caf58ece2c SHA-1: 8fd5f43ca8193f0038586077b27bbb55c144ca2a SHA-256: b16e21ac0c7f53655c623e8305de4c0008b12e120c573b8efd36541ebd7dc39d

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as 'Pdf.Exploit.Agent-36014' confirms its malicious nature. The embedded JavaScript, extracted as 'javascript_obj0013_001.js', likely contains obfuscated code designed to exploit a vulnerability within the PDF reader, leading to the execution of a malicious payload. The document body is unreadable, providing no further context on the lure.

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` `334a73085e822fc1c2b2f05b8af7f6c63c3b18120cc806bfb6990131aa91adae`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4780 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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