PDF malware analysis — malicious · 2652c98fd2304b54

MALICIOUS

PDF

7.3 KB Created: 2008-31-20 53:85:00 Authoring application: Scribus 1.3.3.12 (via Scribus PDF Library 1.3.3.12)

MD5: 7c5769927e1ab6001692bbea34edbfbc SHA-1: 5cf03e6a12ae7d46a6aefd5e7607072c525629e6 SHA-256: 2652c98fd2304b545af5b8607c09f0b3027532e3a9ee6d2a6c7e15bda3579ae4

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1059.007 JavaScript

The PDF file contains embedded JavaScript with multiple eval() calls, indicating obfuscated code execution. The ClamAV detection 'Pdf.Exploit.Agent-35587' strongly suggests this is a known exploit. The JavaScript is heavily obfuscated, making it difficult to determine the exact payload, but the presence of eval() and embedded JS points to a malicious exploit delivery mechanism.

Heuristics 6

ClamAV: Pdf.Exploit.Agent-35587 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-35587
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution
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.
Suspicious extracted artifact info 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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0013_001.js` `16a421ed1b8d4949b69676b9fc99783f95f9a6d511c9273887f75e3c105b1b20`	pdf-javascript-stream	PDF /JS object 13 at offset 0x390	5935 bytes
Detection ClamAV: Pdf.Exploit.Agent-35587 Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).

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