PDF malware analysis — malicious · fbbd13c57a1f3e1a

MALICIOUS

PDF

2.7 KB Created: 1271-01-01 Authoring application: 807

MD5: 622c1c5a9e1db347ec0c96bb6e8dfe75 SHA-1: 909cd546161d5b6763113371ea8431d4a8ba0d1e SHA-256: fbbd13c57a1f3e1ad6f2b7930cae29c4298251d81a898e330db4aa67d6fd0f32

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 ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests a known exploit. The extracted JavaScript file, 'javascript_obj0013_001.js', shows signs of obfuscation, typical for malware attempting to hide its malicious actions. The primary function of this script is likely to download and execute a secondary payload, as suggested by the suspicious extracted artifact triage. The lack of readable document body text means the specific lure cannot be determined, but the technical indicators point to a malicious exploit delivery.

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` `8c89619c2a168c33ea9aae20fb0f70e1ab622016e2cfd1ceb8b08446f0f7543f`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4793 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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