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Later , the emails were made to look like they contained a scanned image in PDF format for the recipient to peruse .
 emails: tool; recipient: victim; a scanned image: trusted entity; PDF: trusted entity
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:
 emails: tool; recipient: victim; a scanned image: trusted entity; PDF: trusted entity