SUSPICIOUS — free-robux-codes-2021-no-survey_GM431946152.pdf

SUSPICIOUS — free-robux-codes-2021-no-survey_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (44/100). 5 of 50 detection engines flagged it.

Identification

• SHA-256: 46f7ad3c512fd8bc521e1aaebddedbbde3a9f4230571ffedafac686868626432
• SHA-1: 8731d8aaa114ae3b0c7993f6e0dc9002dea8d507
• MD5: 2e859576c4e55b92a24f03b3d1a8ba50
• ssdeep: 768:T8b+du0dEjVUMB9j1zqMgw7caBAcXTXvV4GwRQdrIGU1Dp5C:TU+0zB94JaBAMlwRQjw5C
• TLSH: T1F1338DF70097CD4C764A8F17ACE62469609EB248B1B2EB4144A8776CD43C6FD6F21B21
• Submitted as: free-robux-codes-2021-no-survey_GM431946152.pdf
• File type: pdf · Size: 48466 bytes
• Verdict: suspicious (44/100)

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!2E859576C4E5
• 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.tw/app/431946152/free-robux-codes-2021-no-survey-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/free-coin-master-spin-generator_GM406889139.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spins-16-04-19_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.tw/app/431946152/free-robux-codes-2021-no-survey-game-hack
• http://www.biochemix.com/uploaded_files/userfiles/files/free-coin-master-spin-generator_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spins-16-04-19_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-do-you-get-free-robux-without-doing-anything_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/microsoft-bing-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/hack-coin-master-spin_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-free-online-games_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spins-link-facebook-page_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-minecraft-account-and-password-generator_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-unlimited-free-spins_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-without-verification-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-hack-mod_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-spins-coin-master-no-survey_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-gift-hack_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-apk-114_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-realms-free_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-khaos_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-daily-spins_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/easy-ways-to-get-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/tiktok-where-to-watch-free-movies_GM835599320.pdf

Embedded domains

• netcdn.tw
• www.biochemix.com

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