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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 .
 utilizes PDF attachments: attack pattern; Wednesday: time; a novel ploy: trusted entity; harvest email credentials: purpose; victims: victim
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: phishing 
  Option: victim, attacker, attack pattern, purpose, damage amount, tool, time, place, trusted entity 
Text: {0} 
Answer:
 utilizes PDF attachments: attack pattern; Wednesday: time; a novel ploy: trusted entity; harvest email credentials: purpose; victims: victim