SUSPICIOUS — free-thumbnails-roblox-game_GM431946152.pdf

SUSPICIOUS — free-thumbnails-roblox-game_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (58/100). 5 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 681b4799c3afa3f6e01d064f7267b681ce70f885c22d8886c89fff37eeaf1884
• SHA-1: 1b7b631cfefad5f600fc2bf09a1ccf0494de9245
• MD5: a85c70b0c5887cae1bf373374bca7e10
• ssdeep: 768:IwGLG6dqhisJCOPjbcpCzqvqB+WY2iosCVkfikygb3qoCCkRstV+CHSi5A5us:IwqGtJ4CbcDv6wZCVp5oCCkWtVIi5Ags
• TLSH: T186328DF74097DD0C298B9B03EDB6109E748AE3892121DB5164D8763DC06C6EEAF50B22
• Submitted as: free-thumbnails-roblox-game_GM431946152.pdf
• File type: pdf · Size: 46333 bytes
• Verdict: suspicious (58/100)

Detections (5 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!A85C70B0C588
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

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/freegames911com-coinmastertipsandcheats2021freecoinsandspins_GM406889139.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://netcdn.tw/app/431946152/free-thumbnails-roblox-game-game-hack, http://library.futureuniversity.com/repository/freegames911com-coinmastertipsandcheats2021freecoinsandspins_GM406889139.pdf, http://library.futureuniversity.com/repository/free-coin-master-spins_GM406889139.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.tw/app/431946152/free-thumbnails-roblox-game-game-hack
• http://library.futureuniversity.com/repository/freegames911com-coinmastertipsandcheats2021freecoinsandspins_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-coin-master-spins_GM406889139.pdf
• http://library.futureuniversity.com/repository/coin-master-free-spins-2021_GM406889139.pdf
• http://library.futureuniversity.com/repository/roblox-inappropriate-games_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-hack-spins-and-coins-unlimited-free-download_GM406889139.pdf
• http://library.futureuniversity.com/repository/buy-robux-free_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-70-spin-link-2021_GM406889139.pdf
• http://library.futureuniversity.com/repository/freerobuxhack-us-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/download-hacked-games-com-coin-master_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-fast-and-easy_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-free-spins-link-today_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-get-minecraft-pe-for-free-ios_GM479516143.pdf
• http://library.futureuniversity.com/repository/free-robux-generator-for-kids_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-get-robux-without-paying_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-daily-free-spins-link-haktuts_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-minecraft-premium-account_GM479516143.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-without-verification-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-com-free_GM431946152.pdf
• http://library.futureuniversity.com/repository/minecraft-that-you-can-play-for-free_GM479516143.pdf
• http://library.futureuniversity.com/repository/coin-master-free-spin-and-coins-links-2021_GM406889139.pdf

Embedded domains

• netcdn.tw
• library.futureuniversity.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report