Malicious PDF — malware analysis report

Static analysis result for SHA-256 468446dedd8048f8…

MALICIOUS

PDF

35.1 KB Created: 2021-07-03 11:43:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 3ca7b6daf1f88e503f322e3cab8f6e84 SHA-1: 1ba93ada77b97df29ee8ea4c2025f5c0a4fb11cd SHA-256: 468446dedd8048f88029f017cf969e7fb4cdf2a1664954423b48c7e48d70f0ce
82 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.001 Spearphishing Attachment

The document contains a lure to copy and paste content into a command-line interface, which is a common technique for executing malicious commands or downloading second-stage payloads. The embedded URL points to a suspicious domain, likely serving as a download source for malware. The ML classifier also 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.tw/app/431946152/dailyrobux-game-hack
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/coin-master-daily-free-spins-link_GM406889139.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/facebook-coin-master_GM406889139.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id//repository/play-coin-master_GM406889139.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/diamond-cheat-roblox_GM431946152.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/hack-coin-master-using-cheat-engine_GM406889139.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/2021-free-robux-windows-81_GM431946152.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/how-to-hack-on-hilton-hotels-roblox_GM431946152.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/free-hacks-free-roblox-hacks_GM431946152.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id//repository/free-spins-coin-master-no-human-verification_GM406889139.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/free-roblox-toy-codes-march-3rd-2021_GM431946152.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/roblox-free-accounts-may-2021_GM431946152.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/free-coin-link-coin-master_GM406889139.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/how-to-get-free-radio-gamepass-on-roblox_GM431946152.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/coin-master-32-hack-apk_GM406889139.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/roblox-noob-outfit-free_GM431946152.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/tiktok-free-tiktok_GM835599320.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/free-robux-zone_GM431946152.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/roblox-dominus-free-2021_GM431946152.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/roblox-script-executor-free-not-cracked_GM431946152.pdf
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/coin-master-free-spins-haktuts_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003138.bin
2257ccbee0bc99bc9d1977f8b737c5f8fca0e0fc9873e7d0e03477c03ccd2d67		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3138 22708 bytes
font_01_sfnt_off00006402.bin
319a3b741e60406540a19adb70d742732d8bf817a9bc58f36e4d58ba7e1a6a2d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6402 19092 bytes

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