MALICIOUS — free-robux-accounts_GM431946152.pdf

MALICIOUS — free-robux-accounts_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 4 of 50 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: d838f526dfa3b08cd6e86a0cfa38490754471e5dc2a3da4c05c61064551447d2
• SHA-1: b5d5352f07b5312e61db6b649de4252c6d37f816
• MD5: f4a72d7252a451cf7ade93b6713e1b68
• ssdeep: 768:ZlLnXdjICJOaiYVFngkAy07ptNpx0f5kjv7DBdkLPpdyyVQp2qdeRe:HOCZY3bB00hdkdLe2qdse
• TLSH: T178327DF301A7CD4C7A8F8F0768F61869A4C9E7846277DA9094D8B96CC07C5BD7B10621
• Submitted as: free-robux-accounts_GM431946152.pdf
• File type: pdf · Size: 46818 bytes
• Verdict: malicious (75/100)

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!F4A72D7252A4

MITRE ATT&CK

• T1566.002

Why this verdict

The malicious score of 75/100 is the fusion of 4 weighted signals:

• Embedded link rated malicious by URL analysis: http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-online-free-spin_GM406889139.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: https://netcdn.xyz/app/431946152/free-robux-accounts-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/roblox-rewards-site_GM431946152.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-apk-hack-358_GM406889139.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

• https://netcdn.xyz/app/431946152/free-robux-accounts-game-hack
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-rewards-site_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-apk-hack-358_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-game-free_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/windows-10-minecraft-hacks_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/easy-free-spins-coin-master_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-online-free-spin_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/legit-coin-master-hack_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/earn-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/robux-get-com_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-spins-on-coin-master-cheat_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-heaven-free-spins-today_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/facebook-coin-master-free-spins-link_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/hack-coin-master-no-verification_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-coin-spin-daily-link-for-coin-master-game_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-robux-fast_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-hacks-and-cheats_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-hack-apk_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-handbook_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-hack-apk_GM431946152.pdf

Embedded domains

• netcdn.xyz
• www.biochemix.com

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