MALICIOUS — free-robux-websites-2021_GM431946152.pdf

MALICIOUS — free-robux-websites-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: c7ee5e89935025f530c1cf5889d98907782b0789bf476a5578208044971d0ecf
• SHA-1: e1b860442042dc763c6f8962eeb94bc7a6195a55
• MD5: b48dc7bc17a6482c27d006762d0a7dd3
• ssdeep: 384:743Oy353SnQ5MYDIsxDzyfUvFuaCH1a1Anc9CF48Rl6LhzCzoCUSjAHx8KM95+/a:8+I+QWYcsxufUtu7a1cD/RK+AoJvf
• TLSH: T1562F5CF74093DC4C79598B076DFA241DA4CAE38861B3DA5140D8776CD07CABE6F10521
• Submitted as: free-robux-websites-2021_GM431946152.pdf
• File type: pdf · Size: 35359 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!B48DC7BC17A6
• 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/free-girl-stuff-roblox_GM431946152.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: http://netcdn.tw/app/431946152/free-robux-websites-2021-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/mobile-for-free-roblox_GM431946152.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spins-cheat_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

• http://netcdn.tw/app/431946152/free-robux-websites-2021-game-hack
• http://www.biochemix.com/uploaded_files/userfiles/files/mobile-for-free-roblox_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spins-cheat_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-website_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/project-alpha20-hack-roblox_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-fun-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-girl-stuff-roblox_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-gear-in-roblox-free-admin_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-hair-roblox-boy_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/2021-free-spins-on-coin-master_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-stuff-on-roblox-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-survival-hacks_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/but-link-says-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-no-verification-no-survey_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-hack-2021-download_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spin-and-coin-link-haktuts-hacking-news_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-free_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/games-that-give-free-robux_GM431946152.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-without-human-verification-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/mistplay-com-free-robux_GM431946152.pdf

Embedded domains

• netcdn.tw
• www.biochemix.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report