MALICIOUS — free-robux-link_GM431946152.pdf

MALICIOUS — free-robux-link_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 5 of 50 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: ae7ebf6bb90f7709a6bfcb286a48a3379fc9186ba29e2739d06d83edec92667c
• SHA-1: 9ab2fd496f4d3979a8ba7169c7ae76c00254064c
• MD5: 0505ae0635cb6f9f12c7efa5c25dcb6b
• ssdeep: 768:FdHKkndOdsIGrrEFDNiDtmEPEzHM2/A9TYRxayNhA/2irEd2:mkdOKrAENqHM2/A9TYRxjhqId2
• TLSH: T1592F6CF70297DC4C7A8A4B132CB611AD60C9E748227BEA5051E8B71CE07D5BE6B20621
• Submitted as: free-robux-link_GM431946152.pdf
• File type: pdf · Size: 34841 bytes
• Verdict: malicious (75/100)

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!0505AE0635CB
• 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/coin-master-free-coins-2021_GM406889139.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: http://netcdn.tw/app/431946152/free-robux-link-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/roblox-how-to-get-the-circuit-breaker-for-free_GM431946152.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/roblox-army-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

• http://netcdn.tw/app/431946152/free-robux-link-game-hack
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-how-to-get-the-circuit-breaker-for-free_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-army-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spins-2021_GM406889139.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-hack-someone-home-in-roblox_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/microsoft-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/get-free-robux-only-today_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/arsenal-hacks-roblox_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-coins-2021_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-2021-roblox-accounts-site-v3rmillionnet_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-free-animation-ninja_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/itzthewy-free-intros-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-link-game-by-roblox_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-cards-in-coin-master_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/get-free-lp-on-roblox_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-roblox-gift-card-2021-live_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/is-there-a-way-to-get-minecraft-for-free_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-hack-tool-generator_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-hack-2021_GM431946152.pdf

Embedded domains

• netcdn.tw
• www.biochemix.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report