PDF malware analysis — malicious · e10f54a4e9c0b22a

MALICIOUS

PDF

6.8 KB

MD5: 36e91b687a156e54941536e877ff00d1 SHA-1: 8b79d81e99ccda4e14c2029c2df6893d13eec687 SHA-256: e10f54a4e9c0b22a685ec693dc3c155395b4ed56e12b007452a0054df48c8be1

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1204.002 Malicious File

The PDF file contains embedded JavaScript and triggers a critical heuristic for CVE-2009-0927 (Collab.getIcon). This indicates the file is designed to exploit this vulnerability. The embedded JavaScript, although obfuscated, is likely responsible for downloading and executing a second-stage payload. The ClamAV detection further supports the malicious nature of the file.

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` `cad684549aad4ce81a338d339732edac9633d05bc4a63e5b5b45de9d7991ad22`	pdf-javascript-stream	PDF /JS object 6 at offset 0x1A7	5960 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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