PDF malware analysis — malicious · a6810e7b30f7fbec

MALICIOUS

PDF

7.0 KB

MD5: 4cd39b9916cf22fcb75095afbf32899a SHA-1: 5be7bccd8ae5c66900f5152afdcaf1a5924cb71e SHA-256: a6810e7b30f7fbeccc20cbe1f9ddabcf2458cd3d86c8fe8297bdc50a535584e9

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript T1204.002 Malicious File

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 flaw to execute arbitrary code. The presence of obfuscated JavaScript and a ClamAV detection for Heuristics.PDF.ObfuscatedNameObject further supports that this is a malicious document intended to download and execute a secondary 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` `4d7c15ea732268756619b914c3cf1242dbd72c68ea8dc1ed91df3dbf124c09eb`	pdf-javascript-stream	PDF /JS object 6 at offset 0x191	5841 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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