PDF malware analysis — malicious · 37ab5bb5f1aef89f

MALICIOUS

PDF

97.3 KB

MD5: 59faa4d859c01ab790981e412d4de778 SHA-1: 9e0b44fc3591871bf5b82501744b66e1ac6ae8e2 SHA-256: 37ab5bb5f1aef89f2de8f2f53294fd67e5af4608374de28bb682beb6ac2b232f

216 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains embedded JavaScript and triggers a critical heuristic for CVE-2009-0927, indicating exploitation of a vulnerability related to Collab.getIcon. The presence of JavaScript actions and unescape calls further supports this. The embedded JavaScript streams are likely responsible for executing the exploit payload, although their specific actions are obfuscated. The document body text appears to be junk data related to exploit development.

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
Suspicious extracted artifact high 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.
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.

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `5d6d5ad82f68b5132cfc5a16bc37aea1b39eb453522014f98a4b12fcb89f7d7d`	pdf-javascript-stream	PDF /JS object 7 at offset 0x27C	98664 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).
`javascript_obj0007_001.js` `7e71b6d7f39dbe575f798879d434ee1bb24cd3928724edfdd3e1447d38721dc4`	pdf-javascript-stream	PDF /JS object 7 at offset 0x27C	96798 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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