PDF malware analysis — malicious · dc8017b2b8b0201f

MALICIOUS

PDF

2.8 KB

MD5: c4319a0791074401dbcadf4661c838cd SHA-1: 0a0394704dfa3d4ac12cd19e03727344e1c1b437 SHA-256: dc8017b2b8b0201fd4e3157b2f2f5c24ccb2af74e762dfcf25c9591229d119e4

118 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript that utilizes the Collab.getIcon method, which is a known indicator for the CVE-2009-0927 vulnerability. The JavaScript also contains obfuscated code and uses unescape(), suggesting an attempt to hide malicious activity. The primary intent appears to be exploiting this vulnerability to execute arbitrary code, likely to download and run a secondary payload.

Heuristics 5

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.
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `e543e4d07aac816486b8e457bad416407299bd9aa0c52222aa4068b51dfa373a`	pdf-javascript-stream	PDF /JS object 7 at offset 0x2A5	1884 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s).

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