SUSPICIOUS — robux-hacks-2021_GM431946152.pdf

SUSPICIOUS — robux-hacks-2021_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (44/100). 4 of 53 detection engines flagged it.

Identification

• SHA-256: 3b33e2919d83fe8daabd0d4551b7398dd3abab2dd918829294e9eca8db6d683c
• SHA-1: 38f6bc0df5b5e526c188755205d45485466ab7b5
• MD5: 26d26018bb56ecd79519ecab5df49332
• ssdeep: 768:bTkhlvAeYAbPzfMMICzy+U3PBBZPA8f28cAeW1UajS3zQoo:+1EM8HBZPA81cMj8zQd
• TLSH: T1C630BEFB9007CC9C3B819B4795FA146DB049CA8D7052EA5491C83BBCC076AFE9E80751
• Submitted as: robux-hacks-2021_GM431946152.pdf
• File type: pdf · Size: 37187 bytes
• Verdict: suspicious (44/100)

Detections (4 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Microsoft Defender: flagged
• Emsisoft (Emergency Kit): PDF.Spam.Heur.2
• Trellix Stinger (McAfee): PDF/Phish-TWM!26D26018BB56

Why this verdict

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

• Embedded network infrastructure: https://netcdn.xyz/app/431946152/robux-hacks-2021-game-hack, http://thamelinn.com/userfiles/files/coin-master-free-spins-link-download-for-iphone_GM406889139.pdf, http://thamelinn.com/userfiles/files/coin-master-cards-free-cards_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.xyz/app/431946152/robux-hacks-2021-game-hack
• http://thamelinn.com/userfiles/files/coin-master-free-spins-link-download-for-iphone_GM406889139.pdf
• http://thamelinn.com/userfiles/files/coin-master-cards-free-cards_GM406889139.pdf
• http://thamelinn.com/userfiles/files/roblox-gift-card-free-codes_GM431946152.pdf
• http://thamelinn.com/userfiles/files/does-roblox-premium-expire_GM431946152.pdf
• http://thamelinn.com/userfiles/files/get-free-robux-no-verification_GM431946152.pdf

Embedded domains

• netcdn.xyz
• thamelinn.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report