upload_file.py

# coding: utf-8

from pycti import OpenCTIApiClient

# Variables
api_url = "https://demo.opencti.io"
api_token = "YOUR_TOKEN"

# OpenCTI initialization
opencti_api_client = OpenCTIApiClient(api_url, api_token)

# Upload the file
file = opencti_api_client.upload_file(
    file_name="./file.pdf",
)
print(file)