http://btcmixer2e3pkn64eb5m65un5nypat4mje27er4ymltzshkmujmxlmyd.onion/help/trade/trusting-pdf-signing-certificate
Fig. 1 - Screenshot of a Signed PDF Document, with Anonymixer's Signing Certificate that's not yet trusted Click the Signature Panel button, (see Figure 2 ) Click on "Certificate Details" as shown in Figure 2 Fig. 2 - Trusting Anonymixer's Signing Certificate Step 1 This will open up the "Certifcate Viewer" window. Click the "Trust" tab Click the "Add to Trusted Certificates..." button Press "OK" on the Adobe Security Dialog box as shown in Figure 3 Fig. 3 - Trusting Anonymixer's Signing...