PDF malware analysis — malicious · e5e0e8a106336261

MALICIOUS

PDF

6.9 KB

MD5: 42f895ecf8e70a60858858605eb33e90 SHA-1: 53975ae75d95d74e26e9a019492df30fc964a355 SHA-256: e5e0e8a1063362612a6bf48e5ee9d4918eebfad278e72447765f255f9f04efc0

216 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 JavaScript

The PDF file contains embedded JavaScript and triggers a critical vulnerability (CVE-2009-0927) related to Collab.getIcon. The JavaScript stream is obfuscated and likely responsible for executing a malicious payload. The presence of a suspicious extracted JavaScript file further supports this. The overall attack pattern suggests an attempt to exploit a PDF reader vulnerability to gain initial access.

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)
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0006_000.js` `879a462d44ceadc0ebd4df5a958cdef654a12f1fdfc664034c90aa95135765cf`	pdf-javascript-stream	PDF /JS object 6 at offset 0x197	5949 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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