PDF malware analysis — malicious · 247a6dda8f482f6d

MALICIOUS

PDF

6.2 KB

MD5: 9024e55e8838537b4c89e0ed040a08f3 SHA-1: 8d67709dfea8d19142e28735a0fccc2792297168 SHA-256: 247a6dda8f482f6d4784eb92dde52d8500be1c7dfd9882e70499e7662d05faac

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/Shell Script Execution: JavaScript Execution T1204.002 Malicious File: Malicious JavaScript

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The critical CVE_2008_2992 firing suggests exploitation of a vulnerability related to util.printf. The presence of obfuscated JavaScript, identified by ClamAV and static triage, points towards an attempt to hide malicious code execution. The primary attack vector appears to be the exploitation of CVE-2008-2992 to run this JavaScript, which likely downloads and executes 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` `c65eb17492bfa3c6397f86c13c2f384bf6ea582957b110f263a9ac842889c36d`	pdf-javascript-stream	PDF /JS object 6 at offset 0x1A7	5107 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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