SUSPICIOUS — earn-free-robux-by-watching-ads_GM431946152.pdf

SUSPICIOUS — earn-free-robux-by-watching-ads_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (44/100). 5 of 53 detection engines flagged it.

Identification

• SHA-256: 55b34f4d1ebb070ca995594cd5cf66877e2e03a2a33dafc4a7e7c38c58d4b83c
• SHA-1: 37343c581fd51bbe035aa621c52cf378cd9c83fc
• MD5: 21067ae1b72d1f0b918e6c27fcc7fa0a
• ssdeep: 768:fXhWrhadZfiKSm5MMBG9Uj/IkCUC/NM4QKaPviFsniq5P7us7yZc:fRWuAPmhB4UsfUCaugiFTs7us7y2
• TLSH: T14E338EF34157DD0C7A868F43D876626AB88DD38431219E8098D8B67C85BC5EDBF50A31
• Submitted as: earn-free-robux-by-watching-ads_GM431946152.pdf
• File type: pdf · Size: 49554 bytes
• Verdict: suspicious (44/100)

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!21067AE1B72D
• 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/earn-free-robux-by-watching-ads-game-hack, http://www.gravel.ru/images/free-robux-codes-no-verification_GM431946152.pdf, http://www.gravel.ru/images/coin-master-daily-free-spins-link-facebook_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/earn-free-robux-by-watching-ads-game-hack
• http://www.gravel.ru/images/free-robux-codes-no-verification_GM431946152.pdf
• http://www.gravel.ru/images/coin-master-daily-free-spins-link-facebook_GM406889139.pdf
• http://www.gravel.ru/images/coin-master-gift-link_GM406889139.pdf
• http://www.gravel.ru/images/coin-master-hack-activegamer_GM406889139.pdf
• http://www.gravel.ru/images/coin-master-cheat-free_GM406889139.pdf
• http://www.gravel.ru/images/free-coins-on-coin-master_GM406889139.pdf
• http://www.gravel.ru/images/make-free-robux_GM431946152.pdf
• http://www.gravel.ru/images/tiktok-free-view-iphone-7-plus_GM835599320.pdf
• http://www.gravel.ru/images/minecraft-java-edition-for-free_GM479516143.pdf
• http://www.gravel.ru/images/coin-master-free-spins-link-fb_GM406889139.pdf
• http://www.gravel.ru/images/free-spins-for-coin-master-hack_GM406889139.pdf
• http://www.gravel.ru/images/free-coin-master-spins-2021_GM406889139.pdf
• http://www.gravel.ru/images/how-to-hack-coin-master_GM406889139.pdf
• http://www.gravel.ru/images/get-free-spins-coin-master-2021_GM406889139.pdf
• http://www.gravel.ru/images/free-robux-site_GM431946152.pdf
• http://www.gravel.ru/images/coin-master-free-spins-link-today-facebook_GM406889139.pdf
• http://www.gravel.ru/images/hey-google-how-do-you-get-free-robux_GM431946152.pdf
• http://www.gravel.ru/images/como-descargar-coin-master-hackeado_GM406889139.pdf
• http://www.gravel.ru/images/coin-master-hack-2021_GM406889139.pdf
• http://www.gravel.ru/images/robux-hack-me_GM431946152.pdf

Embedded domains

• netcdn.tw
• www.gravel.ru

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report