PDF malware analysis — malicious · ea359ce9ec0c9f87

MALICIOUS

PDF

2.9 KB

MD5: fc4ed9c30c0e14fb20362fa4d8cb6b30 SHA-1: aeab7ca049bdb902136bf581fde74765a9fe2ff6 SHA-256: ea359ce9ec0c9f872a2979f49d6bec6caba16383c386643e80b16a44d92e44ba

158 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File T1059.001 PowerShell T1059.007 JavaScript

The PDF document contains embedded JavaScript and is configured to automatically execute an OpenAction upon opening. The critical heuristic firing indicates exploitation of CVE-2009-0927 via the Collab.getIcon method, which is commonly used to trigger JavaScript execution. The embedded JavaScript is likely responsible for downloading and executing a secondary payload.

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)
OpenAction trigger high PDF_OPENACTION

PDF has an /OpenAction — code runs automatically when opened
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_obj0009_000.js` `3546eb0e4751bf217cca7ac6250957b05be3827a31bda1eddeeb1aaa661e3aef`	pdf-javascript-stream	PDF /JS object 9 at offset 0xD6	2182 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s).

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