PDF malware analysis — malicious · 4cc61456147d9cd8

MALICIOUS

PDF

10.6 KB Created: 2009-02-19 14:45:49 -02:00 Authoring application: Writer (via OpenOffice.org 3.0)

MD5: 595a9a9074e0845636a5b4c7bb1b157a SHA-1: 03b46c12fbb7050280a8259da0abb9a5b111e060 SHA-256: 4cc61456147d9cd8f928de775596cb75950fcfe3d34216b35735b438ab731014

158 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript and a launch action, indicating an attempt to exploit a vulnerability. ClamAV detection as 'Pdf.Exploit.Agent-35541' strongly suggests malicious intent. The JavaScript is likely responsible for executing the exploit, although its specific function is obfuscated.

Heuristics 6

ClamAV: Pdf.Exploit.Agent-35541 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-35541
Launch action high PDF_LAUNCH

PDF contains a /Launch action with an unresolved or extension-less target — treat as potentially dangerous
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
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_obj0027_000.js` `d54a00cee70e84edc560cdb39d42cc031a7949f7d658d20deaf6ca3c6e5cd3ce`	pdf-javascript-stream	PDF /JS object 27 at offset 0x21C1	3907 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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