PDF malware analysis — malicious · b7989dfcf3fa1a20

MALICIOUS

PDF

2.7 KB Created: 5319-01-01 Authoring application: 292

MD5: 3e34e45cb4c8e8f8bc0004328feb95fe SHA-1: ce4c6dbe507ed4a69407c80a891968e4304bf21f SHA-256: b7989dfcf3fa1a20626f813bcbfcc25ddb21a051673c10f411bddef2ab8f7ea1

96 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 critical ClamAV detection of 'Pdf.Exploit.Agent-36014' strongly suggests a known exploit. The extracted JavaScript file exhibits obfuscation, a common technique for hiding malicious code. The likely intent of the script is to download and execute a second-stage payload, as is typical for this type of PDF exploit.

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` `d7ceef3060bd55b3dd172f62ac4dd82bab47519224ea5d6d724da8dbaec53054`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4794 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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