SUSPICIOUS — free-robux-no-human-verification-or-survey-2021_GM431946152.pdf

SUSPICIOUS — free-robux-no-human-verification-or-survey-2021_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (58/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 1dabd88c33a3665ae46156ea5a24b5b77f497cb24723bfefd0efb4b412738d66
• SHA-1: 43a9edc90752939951585aa4ffa8f19516a006de
• MD5: 6637bfe368c60a59f38063b7f663c28d
• ssdeep: 1536:ik/c/vv3JSIEA8X1bkrlznF3yUu7bLP31zEw:ikm5UAT9nF3yl31zEw
• TLSH: T1E5338EF7006BCD5CBACA9B43ADF6116E7489D7857132DE8095C4BA3C807C9DE7A10A21
• Submitted as: free-robux-no-human-verification-or-survey-2021_GM431946152.pdf
• File type: pdf · Size: 50417 bytes
• Verdict: suspicious (58/100)

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!6637BFE368C6

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://lib.stie-aub.ac.id/repository/free-robux-legit_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://netcdn.online/app/431946152/free-robux-no-human-verification-or-survey-2021-game-hack, http://lib.stie-aub.ac.id/repository/free-robux-legit_GM431946152.pdf, http://lib.stie-aub.ac.id/repository/free-spins-coin-master-2021_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-no-human-verification-or-survey-2021-game-hack
• http://lib.stie-aub.ac.id/repository/free-robux-legit_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/free-spins-coin-master-2021_GM406889139.pdf
• http://lib.stie-aub.ac.id/repository/minecraft-hacks-ps4_GM479516143.pdf
• http://lib.stie-aub.ac.id/repository/coin-master-free-spins-and-coins-daily-links_GM406889139.pdf
• http://lib.stie-aub.ac.id/repository/where-to-get-free-robux_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/free-coins-and-spins-coin-master_GM406889139.pdf
• http://lib.stie-aub.ac.id/repository/coin-master-hack-software-download_GM406889139.pdf
• http://lib.stie-aub.ac.id/repository/flip-master-free-coins_GM406889139.pdf
• http://lib.stie-aub.ac.id/repository/free-robux-no-verification-or-survey-2021_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/free-robux-no-verification_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/coin-master-free-link-spin_GM406889139.pdf
• http://lib.stie-aub.ac.id/repository/free-roblox-hack-us_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/how-to-hack-to-get-robux_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/rbx-roblox-robux_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/roblox-bloxburg-hack_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/twitter-coin-master-free-spins-link_GM406889139.pdf
• http://lib.stie-aub.ac.id/repository/minecraft-free-download-pc_GM479516143.pdf
• http://lib.stie-aub.ac.id/repository/how-to-get-robux-for-free-2021_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/free-robux-generator-no-human-verification-2021_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/minecraft-realms-free_GM479516143.pdf

Embedded domains

• netcdn.online
• lib.stie-aub.ac.id

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report