SUSPICIOUS — free-robux-2021-no-human-verification_GM431946152.pdf

SUSPICIOUS — free-robux-2021-no-human-verification_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (58/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: bcd1ab791f247350ff6351481ac5df43226dbbd202d67c92788ec0b8f0080544
• SHA-1: 2fde33e28950119a1468379cdb5e56ef804a6864
• MD5: 8cb3211839849ab2a67c824dd109b73a
• ssdeep: 768:WhTb6nKX5gsHoLruhMr9fBlr8Cqc4rHLE8BvrN2:W5XDIuGr9Zlr8Dc4PrBzN2
• TLSH: T156308DF3405BDC5C3E8ADF03AAB3615E74C9A39420629A41A4D9372DC46D6EDBF10A21
• Submitted as: free-robux-2021-no-human-verification_GM431946152.pdf
• File type: pdf · Size: 37258 bytes
• Verdict: suspicious (58/100)

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!8CB321183984

MITRE ATT&CK

• T1566.002

Why this verdict

The suspicious score of 58/100 is the fusion of 4 weighted signals:

• Embedded link rated suspicious by URL analysis: http://library.futureuniversity.com/repository/how-to-get-free-robux-on-roblox-2021_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://netcdn.tw/app/431946152/free-robux-2021-no-human-verification-game-hack, http://library.futureuniversity.com/repository/how-to-get-free-robux-on-roblox-2021_GM431946152.pdf, http://library.futureuniversity.com/repository/roblox-how-to-get-free-things_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-2021-no-human-verification-game-hack
• http://library.futureuniversity.com/repository/how-to-get-free-robux-on-roblox-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-how-to-get-free-things_GM431946152.pdf
• http://library.futureuniversity.com/repository/can-you-change-your-username-on-roblox-back-for-free_GM431946152.pdf
• http://library.futureuniversity.com/repository/blox-fun-info_GM431946152.pdf
• http://library.futureuniversity.com/repository/claim-box-free-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-hack-v30rar_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-robux-net_GM431946152.pdf
• http://library.futureuniversity.com/repository/http-hack-roblox_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-as-a-kid_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-free-bundles_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-free-spins-cheat_GM406889139.pdf
• http://library.futureuniversity.com/repository/coin-master-heaven-links-free-spins_GM406889139.pdf
• http://library.futureuniversity.com/repository/can-you-play-minecraft-for-free_GM479516143.pdf
• http://library.futureuniversity.com/repository/como-hackear-conta-de-roblox_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-tiktok-likes-without-verification_GM835599320.pdf
• http://library.futureuniversity.com/repository/coin-master-spin-hack_GM406889139.pdf
• http://library.futureuniversity.com/repository/roblox-cheat-engine-hacks-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-ferbuary-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/prison-life-roblox-hacks-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-hack-roblox-accounts_GM431946152.pdf

Embedded domains

• netcdn.tw
• library.futureuniversity.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report