PDF malware analysis — malicious · ec533173ab10a8ba

MALICIOUS

PDF

2.7 KB Created: 6546-01-01 Authoring application: 9421

MD5: c65e44282710b45fdb46848798fb5728 SHA-1: 983e27f53d0b38a214dd190c06f503705a3b5959 SHA-256: ec533173ab10a8baf45a721924ef12b5a90fde7cf318d8b90caf086d66a84825

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 heuristic identifies it as Pdf.Exploit.Agent-36014, suggesting a known exploit. The extracted JavaScript file, javascript_obj0013_001.js, shows script obfuscation indicators. This combination strongly suggests the PDF is designed to exploit a vulnerability and execute malicious JavaScript, likely to download and run 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` `e6be408e873ea0053eff3631414fb90aea556807a87038951cc17608c69e9c99`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4788 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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