PDF malware analysis — malicious · 9339f9840ec23867

MALICIOUS

PDF

3.0 KB

MD5: 0b8b69587b8b34d3623601911f6cb215 SHA-1: fabad94057e2d725edd70becc3a6e64e86b54dbe SHA-256: 9339f9840ec23867154a6f795c4da7838fe40c0634d5f455f9dce57a8cce03f9

218 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript T1204.002 Malicious File

The PDF file contains embedded JavaScript and triggers an OpenAction, indicating it's designed to execute code upon opening. The critical CVE-2009-0927 heuristic firing points to a known exploit for PDF viewers. The ClamAV detection further confirms its malicious nature as a dropper. The embedded JavaScript is likely responsible for downloading and executing a secondary payload, as suggested by the 'Pdf.Dropper' classification.

Heuristics 7

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: Pdf.Dropper.Agent-7283469-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7283469-0
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` `b442d10d0bc782629b12d4dd3851ef1a65e1afe770dccdf947f2abc641f8c154`	pdf-javascript-stream	PDF /JS object 9 at offset 0xD6	2252 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s).

Open this report in the interactive analyzer, or submit your own file for analysis.