This statistic shows the most popular malware attachments in spam e-mails in 2018. Overall, .doc and .dot files accounted for 37 percent of blocked malicious file attachments.
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Symantec. (February 28, 2019). Most commonly blocked malicious file attachments in e-mail in 2018 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 18, 2026, from /statistics/276641/top-spam-attachment-types-used-for-exploits/
Symantec. "Most commonly blocked malicious file attachments in e-mail in 2018." Chart. February 28, 2019. ÌÇÐÄÆƽâ°æ. Accessed July 18, 2026. /statistics/276641/top-spam-attachment-types-used-for-exploits/
Symantec. (2019). Most commonly blocked malicious file attachments in e-mail in 2018. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 18, 2026. /statistics/276641/top-spam-attachment-types-used-for-exploits/
Symantec. "Most Commonly Blocked Malicious File Attachments in E-mail in 2018." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 28 Feb 2019, /statistics/276641/top-spam-attachment-types-used-for-exploits/
Symantec, Most commonly blocked malicious file attachments in e-mail in 2018 ÌÇÐÄÆƽâ°æ, /statistics/276641/top-spam-attachment-types-used-for-exploits/ (last visited July 18, 2026)
Most commonly blocked malicious file attachments in e-mail in 2018 [Graph], Symantec, February 28, 2019. [Online]. Available: /statistics/276641/top-spam-attachment-types-used-for-exploits/
