Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b02cd664d408839…

MALICIOUS

PDF

34.7 KB Created: 2021-06-20 13:21:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 2d08fafddd9ef203c00991ceb02d225a SHA-1: 755968dc8aff025bd36343635ac44f955bd48fa1 SHA-256: 1b02cd664d4088391a1dbe6feacbec392bbd315bc151ecb1164bbb9f15893c0b
82 Risk Score

Malware Insights

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

The document contains lures for downloading game hacks and exploits, including a direct link to a suspicious executable. The heuristic 'SE_CLIPBOARD_COMMAND_LURE' indicates the document likely instructs the user to copy and paste commands into a shell, suggesting an attempt to execute downloaded payloads. The ML classifier strongly flags this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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/rthro-packages-free-roblox-game-hack
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/robux-hack-me_GM431946152.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/free-robux-generator-2021_GM431946152.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/visenya-free-roblox_GM431946152.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/hack-in-roblox-2021_GM431946152.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/how-to-hack-for-more-cash-in-roblox-wizard-tycoon_GM431946152.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/how-to-hack-to-get-robux_GM431946152.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/free-robux-hacker-us_GM431946152.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/free-robux-roblox-promo-codes_GM431946152.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/hacks-for-jailbreak-beta-roblox_GM431946152.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/free-robux-sites-that-work_GM431946152.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/coin-master-hack-download-2021_GM406889139.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/blox-fish-free-robux_GM431946152.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/free-robux-com_GM431946152.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/free-robux-kid-friendly-no-human-verification_GM431946152.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/hack-client_GM479516143.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/free-spin-links-coin-master-october-30-2021_GM406889139.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/robux-com-free-robux_GM431946152.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/free-followers-for-tiktok_GM835599320.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/free-daily-spin-coin-master-game_GM406889139.pdf
    • https://www.ppid.banglikab.go.id/assets/CKImages/files/free-robux-not-fake_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f58.bin
821aa87905c6924785429cb3e859bdaf8c723078a6be3ed49c83cc189f1fe1f9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F58 22684 bytes
font_01_sfnt_off00006209.bin
68c57f3b40004aaf0eba48b403bd21bcf01a53bcac91d2724243f75aba03a9be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6209 19244 bytes

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