PDF malware analysis — malicious · ba0e3581001c3c8e

MALICIOUS

PDF

6.4 KB

MD5: 7ac01cffcd8c07733f2d273ddf941b5b SHA-1: 7b958c3fd9b7cc16902d968700ac9f67cd3aecea SHA-256: ba0e3581001c3c8ebc8acbc670c565ad6bb12b28e2dd87ca3647fafaeda73470

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The critical CVE_2009_0927 heuristic firing suggests exploitation of a known vulnerability in Adobe Reader via the Collab.getIcon method. The PDF_UNESCAPE heuristic indicates that the JavaScript is obfuscated. The embedded JavaScript is likely designed to download and execute a second-stage payload, as suggested by the suspicious extracted artifact javascript_obj0006_000.js. The overall attack pattern points to a malicious PDF designed for exploitation.

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: 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` `321cb15ac18f044fbe5cead22a2f9e9fe778f8a9fd9ed1b552286a2a61d6d2dd`	pdf-javascript-stream	PDF /JS object 6 at offset 0x191	5395 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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