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The SANS Internet Storm Center published a warning on Wednesday about an active phishing campaign that utilizes PDF attachments in a novel ploy to harvest email credentials from victims .
 phishing: phishing campaign
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 phishing: phishing campaign