Question
Can I check if an isolated file is a malicious file?
Answer
You can investigate using online scanning tools such as "VirusTotal."
If an attachment is detected as malicious content, you can click on the hash value (SHA1) in the file details to search for the hash value on the above site.
* When using external tools such as VirusTotal, please use them at your own discretion.
Also, if you directly upload an attachment for investigation, it may be possible for a third party to view the uploaded file, so we recommend conducting the investigation using a URL or hash value.