Malicious PDF — malware analysis report

Static analysis result for SHA-256 5b89c3e7dd65c39c…

MALICIOUS

PDF

34.5 KB Created: 2021-07-02 05:24:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-08-25
MD5: 7d20fa28638c41f72fd5f92c55c93daf SHA-1: bbf46026a7799efb534284d8d74137bceaf75e5c SHA-256: 5b89c3e7dd65c39c460e9062bde6ed68fe6c5cb2a9defddeaa8fa56ff58b8a17
82 Risk Score

Malware Insights

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

The document contains a lure for downloading a hack tool, indicated by the 'Hack Menu Roblox' text and a call-to-action button. It also instructs the user to copy and paste content into a shell, likely to execute a malicious payload. The presence of multiple external URLs suggests a downloader or droppper functionality.

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/hack-menu-roblox-game-hack PDF link annotation
    • http://digilib-ppsunisma.ac.id/repository/minecraft-rtx-download-free_GM479516143.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/wall-hack-phantom-forces-roblox_GM431946152.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/best-home-free-models-roblox_GM431946152.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/how-to-get-free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/roblox-redeem-codes-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/free-robux-websites-2021_GM431946152.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/shadow-raid-cheats-roblox-notoriety_GM431946152.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/minecraft-free-download_GM479516143.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/btools-hack-for-roblox-link_GM431946152.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/free-ways-to-record-roblox-with-voice_GM431946152.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/amimbot-hack-for-strucid-roblox_GM431946152.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/bit-ly-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/robux-cheat_GM431946152.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/how-to-get-free-robux-for-real_GM431946152.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/minecraft-auto-miner-hack_GM479516143.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/how-to-hack-robux-may-2021_GM431946152.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/free-roblox-lvl-7-download_GM431946152.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/roblox-download-free-windows_GM431946152.pdfIn PDF document text
    • http://digilib-ppsunisma.ac.id/repository/robux-cheats-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000307c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x307C 22352 bytes
SHA-256: 34c4e1dc7cad3d8b9a4a30234e6a1faa36e883b74dfb085c1278719681607312
font_01_sfnt_off0000620b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x620B 18992 bytes
SHA-256: 84a103fa3a7bfad6d7ef675116e9d48bce07e27a6573b111cf519a8e3e63ac79

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