A User Receives a Potentially Malicious Email That Contains Spelling

question 8

Multiple Choice

A user receives a potentially malicious email that contains spelling errors and a PDF document. A security analyst reviews the email and decides to download the attachment to a Linux sandbox for review. Which of the following commands would MOST likely indicate if the email is malicious?

• A) sha256sum ~/Desktop/file.pdf
• B) file ~/Desktop/file.pdf
• C) strings ~/Desktop/file.pdf | grep "<script"
• D) cat < ~/Desktop/file.pdf | grep -i .exe

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Definitions:

Social Mobility

The movement of individuals, families, or groups through a system of social hierarchy or stratification.

Tax Collection

is the process undertaken by governments or authorized entities to collect taxes from individuals and businesses as required by law.

Accessibility Issue

Challenges faced by individuals with disabilities when interacting with digital content, buildings, or services due to design limitations.

Proprietary Databases

Databases owned by a company or individual that are not freely available to the public, often requiring a license to access.