DMLDroid: Deep Multimodal Fusion Framework for Android Malware Detection with Resilience to Code Obfuscation and Adversarial Perturbations

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Hauptverfasser: Trung, Doan Minh, Hao, Tien Duc Anh, Minh, Luong Hoang, Khoa, Nghi Hoang, Cam, Nguyen Tan, Pham, Van-Hau, Duy, Phan The
Format: Preprint
Veröffentlicht: 2025
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author Trung, Doan Minh
Hao, Tien Duc Anh
Minh, Luong Hoang
Khoa, Nghi Hoang
Cam, Nguyen Tan
Pham, Van-Hau
Duy, Phan The
author_facet Trung, Doan Minh
Hao, Tien Duc Anh
Minh, Luong Hoang
Khoa, Nghi Hoang
Cam, Nguyen Tan
Pham, Van-Hau
Duy, Phan The
contents In recent years, learning-based Android malware detection has seen significant advancements, with detectors generally falling into three categories: string-based, image-based, and graph-based approaches. While these methods have shown strong detection performance, they often struggle to sustain robustness in real-world settings, particularly when facing code obfuscation and adversarial examples (AEs). Deep multimodal learning has emerged as a promising solution, leveraging the strengths of multiple feature types to enhance robustness and generalization. However, a systematic investigation of multimodal fusion for both accuracy and resilience remains underexplored. In this study, we propose DMLDroid, an Android malware detection based on multimodal fusion that leverages three different representations of malware features, including permissions & intents (tabular-based), DEX file representations (image-based), and API calls (graph-derived sequence-based). We conduct exhaustive experiments independently on each feature, as well as in combination, using different fusion strategies. Experimental results on the CICMalDroid 2020 dataset demonstrate that our multimodal approach with the dynamic weighted fusion mechanism achieves high performance, reaching 97.98% accuracy and 98.67% F1-score on original malware detection. Notably, the proposed method maintains strong robustness, sustaining over 98% accuracy and 98% F1-score under both obfuscation and adversarial attack scenarios. Our findings highlight the benefits of multimodal fusion in improving both detection accuracy and robustness against evolving Android malware threats.
format Preprint
id arxiv_https___arxiv_org_abs_2509_11187
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle DMLDroid: Deep Multimodal Fusion Framework for Android Malware Detection with Resilience to Code Obfuscation and Adversarial Perturbations
Trung, Doan Minh
Hao, Tien Duc Anh
Minh, Luong Hoang
Khoa, Nghi Hoang
Cam, Nguyen Tan
Pham, Van-Hau
Duy, Phan The
Cryptography and Security
In recent years, learning-based Android malware detection has seen significant advancements, with detectors generally falling into three categories: string-based, image-based, and graph-based approaches. While these methods have shown strong detection performance, they often struggle to sustain robustness in real-world settings, particularly when facing code obfuscation and adversarial examples (AEs). Deep multimodal learning has emerged as a promising solution, leveraging the strengths of multiple feature types to enhance robustness and generalization. However, a systematic investigation of multimodal fusion for both accuracy and resilience remains underexplored. In this study, we propose DMLDroid, an Android malware detection based on multimodal fusion that leverages three different representations of malware features, including permissions & intents (tabular-based), DEX file representations (image-based), and API calls (graph-derived sequence-based). We conduct exhaustive experiments independently on each feature, as well as in combination, using different fusion strategies. Experimental results on the CICMalDroid 2020 dataset demonstrate that our multimodal approach with the dynamic weighted fusion mechanism achieves high performance, reaching 97.98% accuracy and 98.67% F1-score on original malware detection. Notably, the proposed method maintains strong robustness, sustaining over 98% accuracy and 98% F1-score under both obfuscation and adversarial attack scenarios. Our findings highlight the benefits of multimodal fusion in improving both detection accuracy and robustness against evolving Android malware threats.
title DMLDroid: Deep Multimodal Fusion Framework for Android Malware Detection with Resilience to Code Obfuscation and Adversarial Perturbations
topic Cryptography and Security
url https://arxiv.org/abs/2509.11187