Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2af5a2c218c68b1…

MALICIOUS

PDF

35.0 KB Created: 2021-06-29 02:49:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 9bbc577734fd84a1d1cb136138676381 SHA-1: 1be7dc3c51d683aa8037825da10e3186f88aa2c0 SHA-256: c2af5a2c218c68b1782c5dadad69c88046e5066a4c69163ce35cbf91e12dc0f2
82 Risk Score

Malware Insights

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

The PDF document contains lures for game hacks and cheats, directing users to download a payload from a suspicious URL. The heuristic 'SE_CLIPBOARD_COMMAND_LURE' indicates the document likely instructs the user to execute commands, possibly to download and run a second-stage exploit. The ML classifier strongly flagged 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/roblox-secret-forum-hack-game-hack
    • http://perpustakaan.man2kotaserang.sch.id/repository/cool-tshirts-for-free-roblox_GM431946152.pdf
    • http://perpustakaan.man2kotaserang.sch.id/repository/free-robux-for-tasks_GM431946152.pdf
    • http://perpustakaan.man2kotaserang.sch.id//repository/free-roblox-clothes-boy_GM431946152.pdf
    • http://perpustakaan.man2kotaserang.sch.id/repository/is-coin-master-hack-safe_GM406889139.pdf
    • http://perpustakaan.man2kotaserang.sch.id//repository/free-coins-coin-master-hack_GM406889139.pdf
    • http://perpustakaan.man2kotaserang.sch.id//repository/how-to-hack-coin-master-without-root_GM406889139.pdf
    • http://perpustakaan.man2kotaserang.sch.id/repository/info-roblox-com-robux_GM431946152.pdf
    • http://perpustakaan.man2kotaserang.sch.id//repository/free-spins-coin-master-hack-2021_GM406889139.pdf
    • http://perpustakaan.man2kotaserang.sch.id/repository/master-coin-hack_GM406889139.pdf
    • http://perpustakaan.man2kotaserang.sch.id/repository/coin-master-hack-no-human-verification-2021_GM406889139.pdf
    • http://perpustakaan.man2kotaserang.sch.id//repository/free-robux-real-working_GM431946152.pdf
    • http://perpustakaan.man2kotaserang.sch.id//repository/windows-10-minecraft-free-with-java_GM479516143.pdf
    • http://perpustakaan.man2kotaserang.sch.id/repository/coin-master-link-for-spins_GM406889139.pdf
    • https://perpustakaan.man2kotaserang.sch.id/repository/como-ser-fuerte-en-boxing-simulator-2-roblox-cheat_GM431946152.pdf
    • http://perpustakaan.man2kotaserang.sch.id/repository/spin-link-coin-master_GM406889139.pdf
    • http://perpustakaan.man2kotaserang.sch.id//repository/is-coin-master-hacks-safe_GM406889139.pdf
    • http://perpustakaan.man2kotaserang.sch.id/repository/hack-someone-account-roblox_GM431946152.pdf
    • http://perpustakaan.man2kotaserang.sch.id//repository/how-to-get-minecraft-bedrock-for-free_GM479516143.pdf
    • http://perpustakaan.man2kotaserang.sch.id//repository/simplysarc_GM479516143.pdf
    • http://perpustakaan.man2kotaserang.sch.id//repository/free-robux-only-1-step_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000030d6.bin
0664dd377a59f4e63105c848036cce03c51e6193abd4f9504e308898effddc38		 pdf-font-stream PDF embedded font (sfnt) at offset 0x30D6 22552 bytes
font_01_sfnt_off000062fe.bin
dc89f127726182490f640cb80661fe709670b37aa8274fdfc750fcd69d25a2aa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62FE 19324 bytes

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