PDF malware analysis — malicious · f280433b4cd93413

MALICIOUS

PDF

2.7 KB Created: 7190-01-01 Authoring application: 1425

MD5: 01e50db2542118500969e678e5e41678 SHA-1: 74d24dba8fb300f0ca96ff285cb73ad6f400a2ac SHA-256: f280433b4cd934139dd55cdfd0efca173cd9ad0d37a11a0f68687d6934bf7a81

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' strongly suggests a known exploit. The extracted JavaScript file, 'javascript_obj0013_001.js', likely contains malicious code designed to exploit a vulnerability within the PDF reader, leading to further malicious activity. The exact nature of the exploit and payload is not fully discernible from the provided static analysis, hence the confidence is not higher.

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` `0e9c217bbc5c8cd427a2de81031d250e88c179eca35df04afead656b0f820776`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4796 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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