MALICIOUS — free-robux-codes_GM431946152.pdf

MALICIOUS — free-robux-codes_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100). 4 of 50 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: eaaa300ba5f3a193fffc2f2ddd32da04829a0b97af44203fffd23c6e84f1463f
• SHA-1: 731fbdbb58fa8fb4491934b218eefd5e9f60beb7
• MD5: b580d7c6de10b483cca283b057939aa6
• ssdeep: 768:h2lNyJdP6znsgpsjTlucvbHqbuu64obo59+wX2OjWk6cAqh:/ynpsjhvmawobohX2OjWmAS
• TLSH: T13E329FF71187CD8CB69A8B136CB6156E34CED3486172EE5084A877ACD03C5FE6B14A21
• Submitted as: free-robux-codes_GM431946152.pdf
• File type: pdf · Size: 47055 bytes
• Verdict: malicious (94/100)

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!B580D7C6DE10

MITRE ATT&CK

• T1566.002

Why this verdict

The malicious score of 94/100 is the fusion of 7 weighted signals:

• Microsoft Defender flagged Trojan:PDF/Phish.CFN!MTB (rule Trojan:PDF/Phish.CFN!MTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.2 (rule PDF.Spam.Heur.2) - engine signal, weight 0.55, confidence 0.85
• Trellix Stinger (McAfee) flagged PDF/Phish-TWM!B580D7C6DE10 (rule PDF/Phish-TWM!B580D7C6DE10) - engine signal, weight 0.55, confidence 0.85
• Embedded link rated suspicious by URL analysis: http://www.biochemix.com/uploaded_files/userfiles/files/robux-free-com_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://netcdn.xyz/app/431946152/free-robux-codes-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/robux-free-com_GM431946152.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-for-macbook-free_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

• https://netcdn.xyz/app/431946152/free-robux-codes-game-hack
• http://www.biochemix.com/uploaded_files/userfiles/files/robux-free-com_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-for-macbook-free_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spins-2021_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-links-for-coin-master_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/easy-free-spins-coin-master_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-spin-link-for-coin-master-game_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-client-download_GM479516143.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/robloxheroxyz-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coinmaster-spins_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/how-to-get-free-robux-on-android_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-accessories-roblox_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-coin-master-spins-2021_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-spins-coin-master-2021-hack_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-hacks-xyz_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spins-link-2021-blogger_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-hack-unlimited-spins-apk_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-coin-master-free-spins-in-email_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-coin-and-spin-for-coin-master_GM406889139.pdf

Embedded domains

• netcdn.xyz
• www.biochemix.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report