SUSPICIOUS — 38b5af01d9ab441407b70bd4ca4467c9cdc52b0badb7c41f0b02b2a4fb0f7309

SUSPICIOUS — 38b5af01d9ab441407b70bd4ca4467c9cdc52b0badb7c41f0b02b2a4fb0f7309 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (58/100). 5 of 50 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 38b5af01d9ab441407b70bd4ca4467c9cdc52b0badb7c41f0b02b2a4fb0f7309
• SHA-1: b34258cd863f9081a2ad9b00c866d9cec6fccfbd
• MD5: 493d4a1f0028aeb9c1d1d0eb6eceabc8
• ssdeep: 768:/zfyEzDsxp7ee3qKSPCZpnHOkqYoG3+yP5k0RsWgaS:HS5ehSoG3hkNWgaS
• TLSH: T19B307DF31057CD1C7A8A9F436EB6612EA489D7882133DA4055E87B7D847C6EE3F10462
• Submitted as: 38b5af01d9ab441407b70bd4ca4467c9cdc52b0badb7c41f0b02b2a4fb0f7309
• File type: pdf · Size: 36899 bytes
• Verdict: suspicious (58/100)

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!493D4A1F0028
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1566.002

Why this verdict

The suspicious score of 58/100 is the fusion of 4 weighted signals:

• Embedded link rated suspicious by URL analysis: http://ycstamping.com.tw/image/data/files/free-spins-coin-master-links_GM406889139.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://netcdn.co/app/431946152/how-to-get-400-robux-for-free-2021-game-hack, http://ycstamping.com.tw/image/data/files/free-spins-coin-master-links_GM406889139.pdf, http://ycstamping.com.tw/image/data/files/get-free-robux-without-human-verification_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.co/app/431946152/how-to-get-400-robux-for-free-2021-game-hack
• http://ycstamping.com.tw/image/data/files/free-spins-coin-master-links_GM406889139.pdf
• http://ycstamping.com.tw/image/data/files/get-free-robux-without-human-verification_GM431946152.pdf
• http://ycstamping.com.tw/image/data/files/is-minecraft-java-edition-free_GM479516143.pdf
• http://ycstamping.com.tw/image/data/files/how-to-earn-free-spins-coin-master_GM406889139.pdf
• http://ycstamping.com.tw/image/data/files/get-minecraft-windows-10-free_GM479516143.pdf
• http://ycstamping.com.tw/image/data/files/hack-robux-free-2021_GM431946152.pdf
• http://ycstamping.com.tw/image/data/files/roblox-highschool-free-money_GM431946152.pdf
• http://ycstamping.com.tw/image/data/files/ro-ghoul-script_GM431946152.pdf
• http://ycstamping.com.tw/image/data/files/how-do-you-get-roblox-money_GM431946152.pdf
• http://ycstamping.com.tw/image/data/files/roblox-free-cool-marshmello-shirts_GM431946152.pdf
• http://ycstamping.com.tw/image/data/files/roblox36com-free-robux_GM431946152.pdf
• http://ycstamping.com.tw/image/data/files/how-to-hack-surf-leaderboard-roblox_GM431946152.pdf
• http://ycstamping.com.tw/image/data/files/is-pokemon-go-free-to-download_GM1094591345.pdf
• http://ycstamping.com.tw/image/data/files/how-do-i-get-free-clothes-on-roblox_GM431946152.pdf
• http://ycstamping.com.tw/image/data/files/free-robux-without-verification-or-survey_GM431946152.pdf
• http://ycstamping.com.tw/image/data/files/roblox-account-taker_GM431946152.pdf
• http://ycstamping.com.tw/image/data/files/how-to-get-free-robux-on-roblox_GM431946152.pdf
• http://ycstamping.com.tw/image/data/files/codes-to-get-free-robux_GM431946152.pdf
• http://ycstamping.com.tw/image/data/files/free-robux-only-pc_GM431946152.pdf
• http://ycstamping.com.tw/image/data/files/how-to-hack-roblox-accounts-with-cheat-engine-2021_GM431946152.pdf

Embedded domains

• netcdn.co
• ycstamping.com.tw

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report