SUSPICIOUS — how-to-buy-robux-for-free_GM431946152.pdf

SUSPICIOUS — how-to-buy-robux-for-free_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: 0b850aab5d1dc5a3a4ee56872330ca48fd46000cf2de3b8e35c5f08b8ee205e0
• SHA-1: a23555a558e03e520f14dd830fd4d886854b6f15
• MD5: ac7a1d763c15a7bb524d0844e6bb8bd9
• ssdeep: 768:gjB99Ksm0lsfb0y3Sq6ZXpoVTbp/sQ7Ug7GsHNm:k9EsmnbN/sOU5QNm
• TLSH: T1AC2F8DF3509BDC4C3D49EF035EFB215D648A938871228A54A6D8367DC46C6FDBB10A22
• Submitted as: how-to-buy-robux-for-free_GM431946152.pdf
• File type: pdf · Size: 35171 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!AC7A1D763C15

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/hacks-to-get-free-robux_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://netcdn.tw/app/431946152/how-to-buy-robux-for-free-game-hack, http://library.futureuniversity.com/repository/hacks-to-get-free-robux_GM431946152.pdf, http://library.futureuniversity.com/repository/how-to-sell-an-shirt-for-free-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/how-to-buy-robux-for-free-game-hack
• http://library.futureuniversity.com/repository/hacks-to-get-free-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-sell-an-shirt-for-free-roblox_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-spins-free-2021_GM406889139.pdf
• http://library.futureuniversity.com/repository/hack-coin-master-apk-2021_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-get-girl-hair-on-roblox-for-free-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-herunterladen-free_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-robux-com-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-how-to-get-free-things_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-spin-link-of-coin-master_GM406889139.pdf
• http://library.futureuniversity.com/repository/robux-gratis-hack-2021-android_GM431946152.pdf
• http://library.futureuniversity.com/repository/cheat-codes-for-coin-master_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-gamepasses-roblox-v3rm_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-hack-coin-master-spin-ios_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-in-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-spins-coin-master-without-completing-offers_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-hack-coin-master-computer_GM406889139.pdf
• http://library.futureuniversity.com/repository/minecraft-for-laptop-free_GM479516143.pdf
• http://library.futureuniversity.com/repository/coin-master-cheat-apk-free-download_GM406889139.pdf
• http://library.futureuniversity.com/repository/coin-master-hack-tool-ios_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-on-roblox-2021_GM431946152.pdf

Embedded domains

• netcdn.tw
• library.futureuniversity.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report