Malicious PDF — malware analysis report

Static analysis result for SHA-256 6702eaa0fdd532a1…

MALICIOUS

PDF

35.4 KB Created: 2021-06-25 16:30:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: e5ee1f429cf3856ec4c8e7c79acc5bd4 SHA-1: 6bd654249d4fd2f4282aa0fb8c4bb00f97ad4773 SHA-256: 6702eaa0fdd532a1e064d2dc05ac619c51f90e12fa0cbfb23e264bdceec93b50
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains a large number of embedded links, many of which point to resources related to game hacks and cheats for popular games like Roblox and Coin Master. The primary URL http://netcdn.co/app/431946152/free-roblox-premium-game-hack likely serves as a download point for a malicious payload. The document's structure and content strongly suggest a lure to trick users into downloading potentially harmful files.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://netcdn.co/app/431946152/free-roblox-premium-game-hack
    • https://www.advancissurgical.com/uploads/files/files/dday-hack-script-roblox-v3rmillion_GM431946152.pdf
    • https://www.advancissurgical.com/uploads/files/files/how-to-get-free-spins-on-coin-master_GM406889139.pdf
    • https://www.advancissurgical.com/uploads/files/files/coin-master-daily-free-cards_GM406889139.pdf
    • https://www.advancissurgical.com/uploads/files/files/free-premium-roblox_GM431946152.pdf
    • https://www.advancissurgical.com/uploads/files/files/coin-master-daily-spins-and-coins_GM406889139.pdf
    • https://www.advancissurgical.com/uploads/files/files/roblox-guess-the-emoji-cheat_GM431946152.pdf
    • https://www.advancissurgical.com/uploads/files/files/how-to-get-hacks-on-roblox_GM431946152.pdf
    • https://www.advancissurgical.com/uploads/files/files/roblox-army-free-robux_GM431946152.pdf
    • https://www.advancissurgical.com/uploads/files/files/how-to-get-free-coins-on-assassin-roblox-2021_GM431946152.pdf
    • https://www.advancissurgical.com/uploads/files/files/master-coin-free-spin_GM406889139.pdf
    • https://www.advancissurgical.com/uploads/files/files/coin-master-hack-app-download-free_GM406889139.pdf
    • https://www.advancissurgical.com/uploads/files/files/free-minecraft-java-account_GM479516143.pdf
    • https://www.advancissurgical.com/uploads/files/files/donttazemebro-roblox-person-hes-a-hacker_GM431946152.pdf
    • https://www.advancissurgical.com/uploads/files/files/free-spins-coin-master-generator_GM406889139.pdf
    • https://www.advancissurgical.com/uploads/files/files/coin-master-apk-mod-hack-download_GM406889139.pdf
    • https://www.advancissurgical.com/uploads/files/files/comment-avoir-robux-gratuit-2021-sur-pc-facilement-free_GM431946152.pdf
    • https://www.advancissurgical.com/uploads/files/files/what-is-coin-master_GM406889139.pdf
    • https://www.advancissurgical.com/uploads/files/files/coin-master-free-spins-links-2021_GM406889139.pdf
    • https://www.advancissurgical.com/uploads/files/files/tiktok-free-play-online_GM835599320.pdf
    • https://www.advancissurgical.com/uploads/files/files/free-roblox-cards-pin-number_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000032a9.bin
59569a1e1d4fa9dd6517d1710c79a9487ba80c102c82eb5d4f985f870f74ab23		 pdf-font-stream PDF embedded font (sfnt) at offset 0x32A9 22440 bytes
font_01_sfnt_off000064af.bin
69cb3b56c4db01399d3ceb6168eb67ca17ba7a8ee9f6197ab6639efea8a1dd5f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64AF 19324 bytes

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