MALICIOUS — bux-life-free-robux_GM431946152.pdf

MALICIOUS — bux-life-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: c9c36064fa6fabfa6eb19ece3cb948f99cdb10e9c32928c58138d697bf6f6223
• SHA-1: 8a987ba81ca0978fa9df95d25facf451d21ff347
• MD5: 882444484b20737ddb0d9eb112ead09f
• ssdeep: 768:a7j/avVmG8fQkjsmjr+MSsf/bgDoufzayohNmDtzo9a65O0mZTQTNgT6Jm:ej/GeTvhZfuloWDm9a4mR6gT6Jm
• TLSH: T17B307DF3509BCC4C7E8B9F0369FB212A78C9D78570628B1495D8672DD1A87EE9F00621
• Submitted as: bux-life-free-robux_GM431946152.pdf
• File type: pdf · Size: 35744 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!882444484B20

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/roblox-if-you-got-hacked_GM431946152.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: http://netcdn.tw/app/431946152/bux-life-free-robux-game-hack, http://library.futureuniversity.com/repository/coin-master-free-spins-link_GM406889139.pdf, http://library.futureuniversity.com/repository/free-cool-girl-clothes-on-roblox_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/bux-life-free-robux-game-hack
• http://library.futureuniversity.com/repository/coin-master-free-spins-link_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-cool-girl-clothes-on-roblox_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-free-spins-daily-2021_GM406889139.pdf
• http://library.futureuniversity.com/repository/roblox-watermelon-shark-for-free_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-if-you-got-hacked_GM431946152.pdf
• http://library.futureuniversity.com/repository/hack-para-roblox-robux-infinitos_GM431946152.pdf
• http://library.futureuniversity.com/repository/cheats-that-make-you-get-staff-on-roblox_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-speed-hack-without-cheat-engine-dll_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-fight-the-monsters-destroyer-gamepass-free_GM431946152.pdf
• http://library.futureuniversity.com/repository/tiktok-free-no-sign-in_GM835599320.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-2021-no-suvey-n0-human_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-robux-hack-generator-without-human-verification_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-coin-master-s_GM406889139.pdf
• http://library.futureuniversity.com/repository/top-5-games-on-roblox-that-gives-me-free-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/25-free-spins-coin-master_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-spins-october-28-2021-coin-master_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-robux-real-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-noclip-hack-2021-download_GM431946152.pdf
• http://library.futureuniversity.com/repository/can-free-models-steal-your-password-roblox_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-xbox-360-free-download_GM431946152.pdf

Embedded domains

• netcdn.tw
• library.futureuniversity.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report