PDF malware analysis — malicious · 4977114ed86c8184

MALICIOUS

PDF

97.2 KB

MD5: 06a486ffcff46419d43f4d60a1ed6dfe SHA-1: 3d7815535865c5a2d0bd90e6255bd421f85887d1 SHA-256: 4977114ed86c81849fe7f55dfd68305413b9a1f3861204eb889675cc028dab52

178 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1190 Exploit Public-Facing Application

The PDF file contains embedded JavaScript and triggers the CVE-2009-0927 vulnerability via the Collab.getIcon method. This indicates the file is designed to exploit this specific PDF vulnerability to execute arbitrary code. The embedded JavaScript streams, though large and potentially obfuscated, are indicative of malicious intent, likely to download and execute a second-stage payload.

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.
ClamAV: Pdf.Exploit.CVE_2009_0927-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.CVE_2009_0927-1
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `c5a2047c65a34ea322fb4642730922cf3118f79a8c2912629d23d5177189f4e0`	pdf-javascript-stream	PDF /JS object 7 at offset 0x297	98608 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).
`javascript_obj0007_001.js` `c592188c27e4d68c0a8f1a21aecb9221a17150e23b61b0343e04f9ad89472a2e`	pdf-javascript-stream	PDF /JS object 7 at offset 0x297	96790 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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