Malicious PDF — malware analysis report

Static analysis result for SHA-256 3f72947ae4c4f5ba…

MALICIOUS

PDF

34.2 KB Created: 2021-06-18 23:19:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: dd0469b4d850d358422bca2363790929 SHA-1: a01f079b486edc4b3d78ca6917b24766ed7093f1 SHA-256: 3f72947ae4c4f5ba046bd8e9a685d88e1b7f4df8a876367d50472e68efe3f4c2
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious File

The PDF document uses a lure related to 'Roblox Best Hack Scripts' and contains an external URI pointing to a potential payload. It also includes a heuristic indicating a lure to execute commands via the clipboard, suggesting the user is prompted to paste malicious commands into a shell. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to trick users into downloading and executing malware.

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/roblox-best-hack-scripts-game-hack
    • http://pustaka.faterna.unand.ac.id/repository/coin-free-master_GM406889139.pdf
    • http://pustaka.faterna.unand.ac.id/repository/roblox-how-to-get-free-obc-2021_GM431946152.pdf
    • http://pustaka.faterna.unand.ac.id/repository/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdf
    • http://pustaka.faterna.unand.ac.id/repository/how-to-get-free-robux-from-the-robux-page_GM431946152.pdf
    • http://pustaka.faterna.unand.ac.id/repository/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdf
    • http://pustaka.faterna.unand.ac.id/repository/coin-master-hack_GM406889139.pdf
    • http://pustaka.faterna.unand.ac.id/repository/how-to-get-free-money-in-roblox-rocitizens_GM431946152.pdf
    • http://pustaka.faterna.unand.ac.id/repository/free-golden-tshirt-roblox_GM431946152.pdf
    • http://pustaka.faterna.unand.ac.id/repository/free-robux-meme_GM431946152.pdf
    • http://pustaka.faterna.unand.ac.id/repository/roblox-gang-rape_GM431946152.pdf
    • http://pustaka.faterna.unand.ac.id/repository/roblox-hack-ios-cydia_GM431946152.pdf
    • http://pustaka.faterna.unand.ac.id/repository/roblox-hack-download_GM431946152.pdf
    • http://pustaka.faterna.unand.ac.id/repository/coin-master-hack-app-download-free_GM406889139.pdf
    • http://pustaka.faterna.unand.ac.id/repository/free-spins-coin-master-links_GM406889139.pdf
    • http://pustaka.faterna.unand.ac.id/repository/cranberry-roblox-hack-download_GM431946152.pdf
    • http://pustaka.faterna.unand.ac.id/repository/free-robux-codes-2021_GM431946152.pdf
    • http://pustaka.faterna.unand.ac.id/repository/games-that-give-you-free-robux_GM431946152.pdf
    • http://pustaka.faterna.unand.ac.id/repository/coin-master-daily-free-spins-and-coins_GM406889139.pdf
    • http://pustaka.faterna.unand.ac.id/repository/coin-master-hack-iosgods_GM406889139.pdf
    • http://pustaka.faterna.unand.ac.id/repository/free-roblox-map_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e6e.bin
5fc45aaca6c4854417f2183651ca449d1f2481e8e6d1b4f9c949f8c4cd963642		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E6E 22580 bytes
font_01_sfnt_off000060a9.bin
993e4d1af91da4a055fd05b30172d57696d6d3869fcf75660b692c9e049914fd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60A9 19056 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.