PDF malware analysis — malicious · c449f05a045d4c37

MALICIOUS

PDF

6.5 KB

MD5: ce5c51cad10199ef91fb3c44a2ad7833 SHA-1: 33b39fc4281435883503a80d5be28ab203ebecb8 SHA-256: c449f05a045d4c3785dade1eb89c13e3b2d8f946b470f158d142fccd89855240

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript T1204.002 Malicious JavaScript T1566.002 Spearphishing Attachment T1190 Exploit Public-Facing Application

The PDF file contains embedded JavaScript and triggers a critical vulnerability (CVE-2008-2992) related to util.printf. This indicates the document is designed to exploit this vulnerability to execute arbitrary code. The presence of obfuscated JavaScript and a high ClamAV detection score further support this. The primary goal is likely to download and execute a second-stage payload.

Heuristics 6

util.printf — CVE-2008-2992 critical CVE exact CVE_2008_2992

PDF JavaScript calls util.printf() — CVE-2008-2992 is a stack buffer overflow in Adobe Reader triggered by a long format-specifier argument. Widely exploited in the wild after disclosure. (matched in decompressed stream)
ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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` `ecfc8e02c5c9d1226c11605cbb4dddf66b3deeb3dcbd3a92f7811df75b5d36e6`	pdf-javascript-stream	PDF /JS object 6 at offset 0x19B	5446 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 2 long base64-like blob(s).

Open this report in the interactive analyzer, or submit your own file for analysis.