SUSPICIOUS — free-robux-november-2021_GM431946152.pdf

SUSPICIOUS — free-robux-november-2021_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (44/100). 4 of 50 detection engines flagged it.

Identification

• SHA-256: c7d551faada8125157b4fe16b93658dc4d26e13ebfb8e1a9717faf962d1f4293
• SHA-1: 35b0e0e21ab7b0cfcc18adcd8e0961fb7b55b019
• MD5: 0fbe4cfa7c0442da5cef00f6ee528f89
• ssdeep: 768:5WEg6WL95qs14SBZ+3WsdOXarPtr+QGggUNTBunGllxW91:5QOdOKjBIJH91
• TLSH: T1AC305BF34097CD5C3A9A8F1358E7156D64CAA38871BBEE2040D8BB6CD07D6BD2B11921
• Submitted as: free-robux-november-2021_GM431946152.pdf
• File type: pdf · Size: 36054 bytes
• Verdict: suspicious (44/100)

Detections (4 of 50 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Microsoft Defender: Trojan:PDF/Phish.CFN!MTB
• Emsisoft (Emergency Kit): PDF.Spam.Heur.2
• Trellix Stinger (McAfee): PDF/Phish-TWM!0FBE4CFA7C04

Why this verdict

The suspicious score of 44/100 is the fusion of 3 weighted signals:

• Embedded network infrastructure: http://netcdn.co/app/431946152/free-robux-november-2021-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/roblox-fly-hack_GM431946152.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-pe-free-ios_GM479516143.pdf - static signal, weight 0.35, confidence 0.60
• Document active content: uri-action - static signal, weight 0.30, confidence 0.60
• Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Embedded URLs

• http://netcdn.co/app/431946152/free-robux-november-2021-game-hack
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-fly-hack_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-pe-free-ios_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/robloxheroxyz-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-hack-mod-apk-unlimited-spins_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-python_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spins-hack-but-no-surveys_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-links-free-spins_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-generator-for-roblox-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/haktuts-coin-master-free-spins_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/infinite-health-roblox-cheat-engine_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-hack-2021-free_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/hacks-roblox-funcionan_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/hack-coin-master-ios_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-account-roblox-with-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-roblox-clothes-templates_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/microsoft-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/earn-robux-online_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-spins-coin-master-no-survey_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-legit_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-launcher-free_GM479516143.pdf

Embedded domains

• netcdn.co
• www.biochemix.com

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