MALICIOUS — free-robux_GM431946152.pdf

MALICIOUS — free-robux_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: a138a56980a6eacea171c7323ff15917adb8f96c2282724f7085bf7af084577c
• SHA-1: 3af0635075ef6aaf647aba857d9dc42209d8a6f4
• MD5: 41840a4503f90e0aab6c4d9370e61bcc
• ssdeep: 768:FBahwCWKyasY1ZLL+cSvIBTvVX0B/jKkDz2A/3X9WY0:ryT7r+cS8TvVXgK8KAVWY0
• TLSH: T1BE2F7CF3A057DC0C7A8AAF03AAF7215D788693D42153DB0190D8763DD17D6AE7B20522
• Submitted as: free-robux_GM431946152.pdf
• File type: pdf · Size: 34861 bytes
• Verdict: malicious (75/100)

Detections (4 of 53 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!41840A4503F9

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://library.futureuniversity.com/repository/master-coin-free_GM406889139.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: http://netcdn.tw/app/431946152/free-robux-game-hack, http://library.futureuniversity.com/repository/roblox-hack-robux-sin-verificacion_GM431946152.pdf, http://library.futureuniversity.com/repository/how-to-actually-get-free-robux_GM431946152.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.tw/app/431946152/free-robux-game-hack
• http://library.futureuniversity.com/repository/roblox-hack-robux-sin-verificacion_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-actually-get-free-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-coins-coin-master-ios_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-pets-on-roblox_GM431946152.pdf
• http://library.futureuniversity.com/repository/hack-in-to-roblox_GM431946152.pdf
• http://library.futureuniversity.com/repository/202120212021101-hacks-for-roblox_GM431946152.pdf
• http://library.futureuniversity.com/repository/master-coin-free_GM406889139.pdf
• http://library.futureuniversity.com/repository/minecraft-for-free-on-phone_GM479516143.pdf
• http://library.futureuniversity.com/repository/free-roblox-gift-card-codes_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-lawsuit_GM431946152.pdf
• http://library.futureuniversity.com/repository/robux-hack_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-without-any-verification_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-hack-roblox-admin-commands-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/cheat-engine-67-roblox-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-become-builders-club-on-roblox-for-free_GM431946152.pdf
• http://library.futureuniversity.com/repository/2021-free-coin-master-spins_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-do-you-get-robux-for-free-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-free-coins_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-roblox-boy-hosting-2-7_GM431946152.pdf
• http://library.futureuniversity.com/repository/hack-apk-of-roblox_GM431946152.pdf

Embedded domains

• netcdn.tw
• library.futureuniversity.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report