Malicious PDF — malware analysis report

Static analysis result for SHA-256 58394e104b5475ab…

MALICIOUS

PDF

32.5 KB Created: 2021-06-25 21:59:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 2e74839d0d530d6908e265bb70f34084 SHA-1: d5c6f7639e5edef248c01bee527d8d611eb9d3c2 SHA-256: 58394e104b5475ab1f062e79449456d8914284131bb4a1e7b4777ca5ed8faf5f
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains a lure for free Robux, directing users to a URL that likely hosts a malicious payload. The heuristic 'SE_CLIPBOARD_COMMAND_LURE' indicates the document attempts to trick users into executing commands, potentially to download and run further malware. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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/free-robux-generator-robuxian-game-hack
    • http://katalog.iain-padangsidimpuan.ac.id/repository/hey-google-how-do-you-get-free-robux_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/free-robux-group_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/free-roblox-robx_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/is-pokemon-go-free_GM1094591345.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/haktuts-coin-master_GM406889139.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/coin-master-hack-tool-generator_GM406889139.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/free-robux-safe_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/roblox-anti-cheat-speed_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/addrobux-us-roblox-hack_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/how-to-get-more-robux-for-free_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/roblox-pastebin-hack-give-gun_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/aimbot-exe-roblox_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/rbx-website_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/coin-master-free-spins-youthnow_GM406889139.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/free-robux-no-verification-at-all_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/free-robux_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/free-roblox-account-dump-2021_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/minecraft-pe-015-0-apk-free-download_GM479516143.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/roblox-gift-card-online-free_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/free-account-for-roblox-2021_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002adf.bin
ac7c18297e3d1309eb6f0d647d3efe392aa3a047f9febdd34684de592e5327a8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ADF 21716 bytes
font_01_sfnt_off00005aab.bin
7d94f920091d6669996f82bd4199ab4afdecc3bdd3c810fbe881b06e5d688da6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AAB 18940 bytes

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