Malicious PDF — malware analysis report

Static analysis result for SHA-256 5b47e41c0611ff30…

MALICIOUS

PDF

34.0 KB Created: 2021-06-28 13:42:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: ab317a95349eba6cb6b395066b7dfefb SHA-1: 7e083680685d0e7706c7d401e3e9713ef57db68a SHA-256: 5b47e41c0611ff305cb9b5e3755c05238a961d9debcdd497f1233653fcd92ddc
82 Risk Score

Malware Insights

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

This PDF document employs a lure to trick users into downloading a malicious payload, likely related to game cheats or currency. The heuristic 'SE_CLIPBOARD_COMMAND_LURE' indicates the document instructs users to copy and paste content into a command-line interface, suggesting an attempt to execute commands or download further malware. The embedded URLs point to various game-related cheat files, reinforcing the lure's theme.

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/www-blox-land-free-robux-game-hack
    • http://fobh.net/userfiles/files/grief-hack-roblox_GM431946152.pdf
    • http://fobh.net/userfiles/files/pubg-uc-kaufen_GM1330123889.pdf
    • http://fobh.net/userfiles/files/robuxfree-con_GM431946152.pdf
    • http://fobh.net/userfiles/files/free-robux-no-anti-bot-verification_GM431946152.pdf
    • http://fobh.net/userfiles/files/free-robux-only-username-no-human-verification_GM431946152.pdf
    • http://fobh.net/userfiles/files/pig-master-coin-master-free-spin_GM406889139.pdf
    • http://fobh.net/userfiles/files/robux-today_GM431946152.pdf
    • http://fobh.net/userfiles/files/free-custom-minecraft-skins_GM479516143.pdf
    • http://fobh.net/userfiles/files/202100-free-spins-coin-master_GM406889139.pdf
    • http://fobh.net/userfiles/files/robux-script-free_GM431946152.pdf
    • http://fobh.net/userfiles/files/daily-free-spin-coin-master-link_GM406889139.pdf
    • http://fobh.net/userfiles/files/how-to-hack-coins-in-assassin-roblox_GM431946152.pdf
    • http://fobh.net/userfiles/files/como-hackear-coin-master-sin-verificacion-humana_GM406889139.pdf
    • http://fobh.net/userfiles/files/how-to-buy-robux-for-free_GM431946152.pdf
    • http://fobh.net/userfiles/files/how-to-hack-into-the-big-brother-house-roblox_GM431946152.pdf
    • http://fobh.net/userfiles/files/coin-master-free_GM406889139.pdf
    • http://fobh.net/userfiles/files/how-to-get-minecraft-realms-for-free_GM479516143.pdf
    • http://fobh.net/userfiles/files/free-robux-codes-2021_GM431946152.pdf
    • http://fobh.net/userfiles/files/coin-master-free-foxy-food_GM406889139.pdf
    • http://fobh.net/userfiles/files/coin-master-free-spin-and-coin-link-haktuts-hacking-news_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002da0.bin
48c85d6972e3f54ae1b04c54452fd29d55b50410aff716beb00299c923a0d591		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2DA0 22192 bytes
font_01_sfnt_off00005ee5.bin
3eba72fe58b49115c5ffac85dffbf97d088f261dc22a06eee184f73ae1d25930		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EE5 19328 bytes

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