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

MALICIOUS — free-robux-obby-2021_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: f8a76fa5f5b6f9b285f5bceb5132b75b3890f1aa533a986dd5ca2a468d81ec8b
• SHA-1: 8e4793dfb25c877431ccf9a9b51b02b1da32faa0
• MD5: b1b6e108e47cf076cf5d2a04c529a12c
• ssdeep: 768:oJ5nEG9pELIoNfiqE7VzrruP4MVf79PuBIxHY5I+2HeVOK3:UEMpEEoUPNrIVf7QqY5N2HxK3
• TLSH: T1FE339CF31157DD8C78D98F13CDBA606AA98E93887226DB4444D87A6CC4BC1FCAF10921
• Submitted as: free-robux-obby-2021_GM431946152.pdf
• File type: pdf · Size: 48615 bytes
• Verdict: malicious (75/100)

Detections (4 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!B1B6E108E47C

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.js100.com/uploads/ckeditor/files/mobihack-roblox-hack_GM431946152.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: https://netcdn.online/app/431946152/free-robux-obby-2021-game-hack, http://www.js100.com/uploads/ckeditor/files/roblox-generator-no-verification_GM431946152.pdf, http://www.js100.com/uploads/ckeditor/files/hack-coin-master-nyc_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

• https://netcdn.online/app/431946152/free-robux-obby-2021-game-hack
• http://www.js100.com/uploads/ckeditor/files/roblox-generator-no-verification_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/hack-coin-master-nyc_GM406889139.pdf
• http://www.js100.com/uploads/ckeditor/files/mobihack-roblox-hack_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/free-robux-gen_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/coin-master-card-collection-hack_GM406889139.pdf
• http://www.js100.com/uploads/ckeditor/files/roblox-hack-codes_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/coin-master-daily-free-spins-link-today_GM406889139.pdf
• http://www.js100.com/uploads/ckeditor/files/best-free-spin-app-for-coin-master_GM406889139.pdf
• http://www.js100.com/uploads/ckeditor/files/minecraft-mod-updater_GM479516143.pdf
• http://www.js100.com/uploads/ckeditor/files/how-to-download-minecraft-for-free-on-iphone_GM479516143.pdf
• http://www.js100.com/uploads/ckeditor/files/minecraft-bedrock-server-hosting-free_GM479516143.pdf
• http://www.js100.com/uploads/ckeditor/files/how-to-add-mods-to-minecraft-pe_GM479516143.pdf
• http://www.js100.com/uploads/ckeditor/files/coin-master-map_GM406889139.pdf
• http://www.js100.com/uploads/ckeditor/files/offers-for-robux_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/claim-free-robux_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/coin-master-free-spins-2021_GM406889139.pdf
• http://www.js100.com/uploads/ckeditor/files/20210-free-spin-links-for-coin-master_GM406889139.pdf
• http://www.js100.com/uploads/ckeditor/files/coin-master-link-for-spins_GM406889139.pdf
• http://www.js100.com/uploads/ckeditor/files/free-games-like-roblox_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/coin-master-card-collection-hack-2021_GM406889139.pdf

Embedded domains

• netcdn.online
• www.js100.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report