MALICIOUS — free-robux-generator-no-survey_GM431946152.pdf

MALICIOUS — free-robux-generator-no-survey_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: 3b93fffac0dda935e447281aceac31ab0e6584e9cc523b50071c4473edd50c6e
• SHA-1: 15632c91316e1a7343b4098bcce7aab2e3241481
• MD5: 8c3cff59c2ea5c7f6af934b6af4b9a5c
• ssdeep: 768:ukyW5gmCFuTBJRritSzqOEJCtxlYmj9TVh00baeQk1iExe7zNqeo:VyWGFFu1wOfxFj900bZQk1ROho
• TLSH: T1EC328DF74047CC0C6E8AAF03DDF7255974C9AB953126CA54A0A8367CC5AD3AD9F20632
• Submitted as: free-robux-generator-no-survey_GM431946152.pdf
• File type: pdf · Size: 47385 bytes
• Verdict: malicious (75/100)

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!8C3CFF59C2EA
• 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/make-free-robux_GM431946152.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: https://netcdn.online/app/431946152/free-robux-generator-no-survey-game-hack, http://library.futureuniversity.com/repository/minecraft-free-download-chromebook_GM479516143.pdf, http://library.futureuniversity.com/repository/free-coins-and-spins-for-coin-master_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.online/app/431946152/free-robux-generator-no-survey-game-hack
• http://library.futureuniversity.com/repository/minecraft-free-download-chromebook_GM479516143.pdf
• http://library.futureuniversity.com/repository/free-coins-and-spins-for-coin-master_GM406889139.pdf
• http://library.futureuniversity.com/repository/roblox-free-robux-no-human-verification_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-robux-generator-no-survey_GM431946152.pdf
• http://library.futureuniversity.com/repository/make-free-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-game-free-download_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-hack-roblox-passwords_GM431946152.pdf
• http://library.futureuniversity.com/repository/static-moonactive-net-free-spins-coin-master_GM406889139.pdf
• http://library.futureuniversity.com/repository/coin-master-free-spins-link-download-today_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-get-more-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-free-models_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-robux-apps-that-work_GM431946152.pdf
• http://library.futureuniversity.com/repository/tiktok-views-free_GM835599320.pdf
• http://library.futureuniversity.com/repository/pokemon-go-free-2021_GM1094591345.pdf
• http://library.futureuniversity.com/repository/moonactive-free-spins-link_GM406889139.pdf
• http://library.futureuniversity.com/repository/coin-master-free-spins-daily_GM406889139.pdf
• http://library.futureuniversity.com/repository/www-coinmaster_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-links-for-coin-master-2021_GM406889139.pdf
• http://library.futureuniversity.com/repository/roblox-free-robux-no-verification_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-robux-kid-friendly-no-human-verification_GM431946152.pdf

Embedded domains

• netcdn.online
• library.futureuniversity.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report