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). 5 of 50 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: e6de5567568537ed045acee14a132f5f0b9fb4fb70746f58958f90b826c3d970
• SHA-1: f64efaa63cfb8d33cfa4963bbecfcde433adf7d8
• MD5: 2eadb347317a5e3ff4d58b671651a390
• ssdeep: 768:z1Y4kh/ur8MsSHJqZdPUeyRHclEAx4qc4rHLE8BvrN/:xY4kpur8D/nyRQxZc4PrBzN/
• TLSH: T1AF2F7BF300A7DC9C394A4F0779B6116DB0C9E38861A7DE6095D87A5CE07C6BD2B10521
• Submitted as: free-robux-2021-no-human-verification_GM431946152.pdf
• File type: pdf · Size: 35362 bytes
• Verdict: suspicious (58/100)

Detections (5 of 50 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!2EADB347317A
• 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://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-2021-on-phone_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://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-2021-on-phone_GM431946152.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/how-to-become-a-hacker-in-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/free-robux-2021-no-human-verification-game-hack
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-2021-on-phone_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-become-a-hacker-in-roblox_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-use-redstone_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-for-macbook-free_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-spins-coin-master-2021-today_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-2021-easy_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-in-3-steps_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/nuke-hack-for-roblox_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-how-to-get-free-clothes_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-generator-no-verification_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-hack-roblox-on-mobile_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/rbx-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-you-are-kicked-from-this-game-do-not-cheat_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/tiktok-free-generator_GM835599320.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-getting-hacked_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-coins_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/hacker-prison-life-roblox-2021-pc_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-windows-7_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-hacked-apk_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-hack-a-minecraft-server-and-make-yourself-op_GM479516143.pdf

Embedded domains

• netcdn.tw
• www.biochemix.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report