Malicious PDF — malware analysis report

Static analysis result for SHA-256 a436a78dcf27a1ad…

MALICIOUS

PDF

36.2 KB Created: 2021-05-24 05:07:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: a21ca56f4a14b723d21c84c499d2705d SHA-1: bb062af92ac19e986b1d66575fc1c0591df0d87a SHA-256: a436a78dcf27a1adb378d628300e669d057a64e1d1d2896420a5ec17d1bed6b3
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links and lures users with promises of free game-related content like Minecraft servers or Roblox items. The heuristic 'SE_CLIPBOARD_COMMAND_LURE' suggests the document may instruct users to execute commands, potentially to download and run a second-stage payload. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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 https://netcdn.xyz/app/479516143/how-to-get-a-free-minecraft-server-game-hack
    • https://www.beaufortcollege.ie/images/roblox-free-item-codes_GM431946152.pdf
    • https://www.beaufortcollege.ie/images/how-to-hack-someones-account-on-roblox_GM431946152.pdf
    • https://www.beaufortcollege.ie/images/hack-a-game_GM431946152.pdf
    • https://www.beaufortcollege.ie/images/coin-master-free-spin-codes_GM406889139.pdf
    • https://www.beaufortcollege.ie/images/how-to-get-free-robux-website_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000349c.bin
b691da81128dd26617bbfbf6f64c687ce9506c6bec580195981af9436c660089		 pdf-font-stream PDF embedded font (sfnt) at offset 0x349C 25084 bytes
font_01_sfnt_off00006d3a.bin
888c9dccd83fb0c13f9447925305c3d56d9429efcbe621f5ab8e9b5d24de1b14		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D3A 17988 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.