PDF malware analysis — malicious · b6fe58d231102ee5

MALICIOUS

PDF

2.9 KB

MD5: 78f605bf683211b0ce0b0fe57e96f8b7 SHA-1: 8a1986eef3cd16e15cc7b49896f712713733a530 SHA-256: b6fe58d231102ee5a1fbf792d69d3b3705d0698089ee2f72531ac831ad132476

158 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1059.001 PowerShell

The PDF file contains embedded JavaScript triggered by the OpenAction, exploiting CVE-2009-0927 via the Collab.getIcon method. The JavaScript is obfuscated and likely intended to download and execute a second-stage payload. The presence of JavaScript actions and the specific exploit signature strongly indicate a malicious document designed for exploitation.

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` `e44e6597b38e365c944041002dd60f4d06eb17feb5e67df632a800c1cb7a483c`	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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