MALICIOUS — robux-hack-no-human-verification_GM431946152.pdf

MALICIOUS — robux-hack-no-human-verification_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: b89e4daa12890613670976cba1bc2500b387ffc2ae30bec2c4e3d29c728a3623
• SHA-1: ee500e7f9bac2bdfaedba2a22f23336f81a4b65c
• MD5: 4f949aa135799b34f202b28ef22a24fc
• ssdeep: 768:mBQtB2LaxBprs9E4eAf9ix3aeLIgKkeaRIOqk5:oyIgBSE4caQIgAuIdk5
• TLSH: T1FF2F6CF701A7CC8D799A8F0778F6216D61CAE3846167EA5080E8777CE0B817E6F11522
• Submitted as: robux-hack-no-human-verification_GM431946152.pdf
• File type: pdf · Size: 35002 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!4F949AA13579
• 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://www.biochemix.com/uploaded_files/userfiles/files/tiktok-for-free_GM835599320.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: http://netcdn.tw/app/431946152/robux-hack-no-human-verification-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/tiktok-for-free_GM835599320.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-no-human-verification_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/robux-hack-no-human-verification-game-hack
• http://www.biochemix.com/uploaded_files/userfiles/files/tiktok-for-free_GM835599320.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-no-human-verification_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-online-free-no-download_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-daily-spin-free_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/wurst-mc_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-pe-server-hosting-free_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-do-i-get-free-robux-on-roblox_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/denis-daily-roblox-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/competition-for-free-robux-no-lie-still-on_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-any-shirt-for-free-on-roblox_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-how-to-get-free-shirts-and-pants_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-how-to-get-free-robux-youtube_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-1-million-robux-for-free-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/r17-roblox-hack_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-hack-2021-download_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-free-items-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-free-clothes-girl_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/fast-and-easy-way-to-get-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spins-2021-no-human-verification_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-wheel_GM431946152.pdf

Embedded domains

• netcdn.tw
• www.biochemix.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report