PDF malware analysis — malicious · 57a1b418c841663c

MALICIOUS

PDF

97.3 KB

MD5: 04a6ad968a8c8a9ec73569cba319839d SHA-1: 3f304cbe5da3c7b7430e56f8f6fe9bc0d5402b53 SHA-256: 57a1b418c841663cdcd875639290787c96dd5b3339132b772d766d35ce52856f

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.001 Malicious Link T1204.002 Malicious File

The PDF file contains embedded JavaScript and triggers heuristics related to CVE-2009-0927, specifically the 'Collab.getIcon' method. This indicates an attempt to exploit a known vulnerability in older versions of Adobe Reader. The embedded JavaScript, though large and potentially obfuscated, is the likely mechanism for delivering the exploit. The DOC BODY content appears to be garbage data and not indicative of the document's lure.

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` `1300c757e8727858da076a2e5da3c1ad4d3b79296b2c10524763493a94efe4c8`	pdf-javascript-stream	PDF /JS object 7 at offset 0x297	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` `506cc94dcb76dbe5e91f4c982d9c02dc2b4e00adc7a6da49ab7f1ce831bb3107`	pdf-javascript-stream	PDF /JS object 7 at offset 0x297	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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