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There is a growing demand for improving detection models, as cyberattacks have become increasingly sophisticated
and PDF files have become a common target. Previous research has demonstrated the security risks associated with
PDF files due to threats such as adversarial evasion and obfuscation techniques, as well as their inherent nature [16],
[17]. Several studies have addressed this issue using keyword analysis, adversarial resiliency, abstract interpretation, and
image databases. There is still a need for greater scalability, robustness, and accuracy, especially when faced with evolving
obfuscation techniques and adversarial counterattacks.
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