SUSPICIOUS — free-robux-only-username_GM431946152.pdf

SUSPICIOUS — free-robux-only-username_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (44/100). 5 of 53 detection engines flagged it.

Identification

• SHA-256: e74ba20c835d384931fce3b9f668c458bc3750292db69b38d11cacae71fcfd70
• SHA-1: 6132a1fbb7c9a9ab995fa6892c4dbadf69aa53bf
• MD5: b2df51a5f49e2727628044c2254adeec
• ssdeep: 768:O+3tYSJdy8G/P1frc6J9uXnWQ4Tj325aCNWF/hdaH9UT8NA:O+ql8G/V8nWxdNdaHuT8NA
• TLSH: T14E328BF3515BCD1C7D899B4399E21099B4AAE3887173D95084D83A7CC47CABF6F20A21
• Submitted as: free-robux-only-username_GM431946152.pdf
• File type: pdf · Size: 45513 bytes
• Verdict: suspicious (44/100)

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!B2DF51A5F49E
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

Why this verdict

The suspicious score of 44/100 is the fusion of 3 weighted signals:

• Embedded network infrastructure: https://netcdn.xyz/app/431946152/free-robux-only-username-game-hack, http://fourieredu.cz/files/ckfinder/files/apps-for-free-robux_GM431946152.pdf, http://fourieredu.cz/files/ckfinder/files/wahoogaming-co-free-robux_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.xyz/app/431946152/free-robux-only-username-game-hack
• http://fourieredu.cz/files/ckfinder/files/apps-for-free-robux_GM431946152.pdf
• http://fourieredu.cz/files/ckfinder/files/wahoogaming-co-free-robux_GM431946152.pdf
• http://fourieredu.cz/files/ckfinder/files/coin-master-2021_GM406889139.pdf
• http://fourieredu.cz/files/ckfinder/files/minecraft-for-free-games_GM479516143.pdf
• http://fourieredu.cz/files/ckfinder/files/coin-master-hack-dot-xyz_GM406889139.pdf
• http://fourieredu.cz/files/ckfinder/files/free-robux-earn_GM431946152.pdf
• http://fourieredu.cz/files/ckfinder/files/hack-coin-master-2021-pc_GM406889139.pdf
• http://fourieredu.cz/files/ckfinder/files/static-moonactive-net-rewards_GM406889139.pdf
• http://fourieredu.cz/files/ckfinder/files/minecraft-bedrock-free-server-hosting_GM479516143.pdf
• http://fourieredu.cz/files/ckfinder/files/how-to-get-free-robux-without-any-verification_GM431946152.pdf
• http://fourieredu.cz/files/ckfinder/files/free-spins-coin-master-links-no-human-verification_GM406889139.pdf
• http://fourieredu.cz/files/ckfinder/files/coinmasterfreespinlink_GM406889139.pdf
• http://fourieredu.cz/files/ckfinder/files/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
• http://fourieredu.cz/files/ckfinder/files/make-your-own-minecraft-server-free_GM479516143.pdf
• http://fourieredu.cz/files/ckfinder/files/free-coin-master-spin-app_GM406889139.pdf
• http://fourieredu.cz/files/ckfinder/files/roblox-land-free-robux_GM431946152.pdf
• http://fourieredu.cz/files/ckfinder/files/how-to-get-robux-without-human-verification_GM431946152.pdf
• http://fourieredu.cz/files/ckfinder/files/win-free-robux_GM431946152.pdf
• http://fourieredu.cz/files/ckfinder/files/haktutsin-2021-09-coinmaster50freespinandcoinlinkhtml-m-1_GM406889139.pdf
• http://fourieredu.cz/files/ckfinder/files/free-robux-script_GM431946152.pdf

Embedded domains

• netcdn.xyz
• fourieredu.cz

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