PDF malware analysis — malicious · 2afaaa8b39e25ee6

MALICIOUS

PDF

6.8 KB

MD5: b192a31338f4ae0cb355f6b1c091a2b5 SHA-1: 93e4561721e9ba13c4deb8c3c38ac02cd205ba2a SHA-256: 2afaaa8b39e25ee6668435faaf5489065aba2468cd8cbe71fca80da110e3bbda

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript T1204.002 Malicious File

The PDF file contains embedded JavaScript, which is triggered by the 'Collab.getIcon' method, indicating exploitation of CVE-2009-0927. The embedded JavaScript stream is obfuscated and likely responsible for downloading and executing a second-stage payload. The ClamAV detection 'Pdf.Exploit.Agent-19293' further confirms its malicious nature.

Heuristics 6

Collab.getIcon — CVE-2009-0927 critical CVE exact CVE_2009_0927

PDF JavaScript calls Collab.getIcon — CVE-2009-0927 is a stack buffer overflow in Adobe Reader triggered by Collab.getIcon() with a crafted argument. Allows arbitrary code execution. (matched in decompressed stream)
ClamAV: Pdf.Exploit.Agent-19293 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-19293
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_obj0006_000.js` `d483ad17e1d4ffb7dddf7fab8a76936af0f1d63cc3d169140c6a4d1831133546`	pdf-javascript-stream	PDF /JS object 6 at offset 0x1A1	5989 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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