PDF malware analysis — malicious · a037f52c04d0a62b

MALICIOUS

PDF

5.9 KB

MD5: 215d8a9bd4409b3e64649016bb5e84f2 SHA-1: f11366964bac99c5e0d2782006d2baa227f6d54d SHA-256: a037f52c04d0a62be8db8037e28b1f737080127e2cf2f5f581bcb3700f6dd5cc

178 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF file contains embedded JavaScript and triggers a critical vulnerability (CVE-2009-0927) related to Collab.getIcon. The embedded JavaScript stream, named 'javascript_obj0006_000.js', is obfuscated and likely responsible for executing the exploit. The primary function of this script appears to be the exploitation of the identified PDF vulnerability, leading to the execution of further malicious code.

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` `82988eb8dde02c77ee38513a400b0acf1d47722f11ce8e91713d7e0b725cd477`	pdf-javascript-stream	PDF /JS object 6 at offset 0x19B	4878 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s).

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