MALICIOUS — free-robux-giveaway-pin-promo-codes-2021_GM431946152.pdf

MALICIOUS — free-robux-giveaway-pin-promo-codes-2021_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 5 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 478eb8d4f20a8d9e056123bf232e31fbda42bfee86a129b86754c9c0bd3bf2a9
• SHA-1: 08d460587cb6e8948e4e057c8102c61edc3147f4
• MD5: bd7499f46595497573cd9bfdba618d81
• ssdeep: 768:OoyP/TYDIKMvVnjFDzqzfwktWOB5j/mCrtKoQtMAcjhX2o5wXfFyvuSh:OvrlK+VnYM8LBsktKoQtajhmzXNyv9h
• TLSH: T197329DF3909BCD5C699A9F039EF6241D748EE3842032CA1555E8766CC47C3EE6F50622
• Submitted as: free-robux-giveaway-pin-promo-codes-2021_GM431946152.pdf
• File type: pdf · Size: 46949 bytes
• Verdict: malicious (75/100)

Detections (5 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Microsoft Defender: flagged
• Emsisoft (Emergency Kit): PDF.Spam.Heur.2
• Trellix Stinger (McAfee): PDF/Phish-TWM!BD7499F46595
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

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/hack-in-roblox-bloxburg_GM431946152.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: https://netcdn.tw/app/431946152/free-robux-giveaway-pin-promo-codes-2021-game-hack, http://library.futureuniversity.com/repository/coin-master-spins-hack-2021_GM406889139.pdf, http://library.futureuniversity.com/repository/roblox-noob-skin-free_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

• https://netcdn.tw/app/431946152/free-robux-giveaway-pin-promo-codes-2021-game-hack
• http://library.futureuniversity.com/repository/coin-master-spins-hack-2021_GM406889139.pdf
• http://library.futureuniversity.com/repository/roblox-noob-skin-free_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-promo-codes_GM431946152.pdf
• http://library.futureuniversity.com/repository/minecraft-free-demo_GM479516143.pdf
• http://library.futureuniversity.com/repository/coin-master-free-link-2021_GM406889139.pdf
• http://library.futureuniversity.com/repository/get-free-minecraft-account_GM479516143.pdf
• http://library.futureuniversity.com/repository/robux-hack-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/apps-for-free-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/hack-in-roblox-bloxburg_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-70-spin-link-2021_GM406889139.pdf
• http://library.futureuniversity.com/repository/best-free-minecraft-server-hosting_GM479516143.pdf
• http://library.futureuniversity.com/repository/robux-generator_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-coin-master-hacks-no-verification-or-survey_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-minecraft-bedrock_GM479516143.pdf
• http://library.futureuniversity.com/repository/microsoft-bing-free-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-free-spins-no-generator_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-hack-coin-master-with-lucky-patcher_GM406889139.pdf
• http://library.futureuniversity.com/repository/gameoffice-net-hack-coin-master_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/hacks-for-roblox-jailbreak_GM431946152.pdf

Embedded domains

• netcdn.tw
• library.futureuniversity.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report