PDF malware analysis — malicious · e70fc9abbf1a2299

MALICIOUS

PDF

12.8 KB

MD5: 989ce3ff82d509818a027fb85acc805e SHA-1: f0074eee7bfe3ee0d0259e1607f3d9fc28638b0d SHA-256: e70fc9abbf1a22999475eb18b5f310f9af6fe726ccbea858770dcdf2e16e9831

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript and triggers a critical heuristic for CVE-2009-0927 (Collab.getIcon). This indicates the document is designed to exploit this vulnerability to execute arbitrary code. The presence of JavaScript and the ClamAV detection for obfuscated objects suggest the script is likely used to download and execute a second-stage payload. No specific family could be identified.

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_obj0007_000.js` `de4c8cd9041e07483283042cac3675245d93bb662299132f4a1c8b9ff2e2692b`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1D7	5944 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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