Malicious PDF — malware analysis report

Static analysis result for SHA-256 02f1795c63842528…

MALICIOUS

PDF

34.1 KB Created: 2021-07-04 22:19:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: c0b224e965187dd4b6732c431322fbd6 SHA-1: f9ba3feb82961bc4976b1616c6303dfbe759d144 SHA-256: 02f1795c6384252832cefcb9f86dd04c8f6f2cfbbc4b4ca2c9a52835d3ece4ac
82 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs, with a primary focus on 'game hack' and 'free robux' lures, suggesting a social engineering attempt to trick users into downloading malicious files. The presence of a 'password-protected archive' heuristic further indicates that the document is designed to facilitate the delivery of encrypted malware, likely disguised as a cheat or exploit.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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/479516143/simplysarc-game-hack
    • http://librarystkippgribl.com//repository/coin-master-33-hack-version-download_GM406889139.pdf
    • http://librarystkippgribl.com/repository/how-get-free-robux-no-hack_GM431946152.pdf
    • http://librarystkippgribl.com//repository/hack-roblox-players_GM431946152.pdf
    • http://librarystkippgribl.com//repository/hacking-apps-for-roblox_GM431946152.pdf
    • http://librarystkippgribl.com//repository/rbx-roblox-robux_GM431946152.pdf
    • http://librarystkippgribl.com/repository/free-robux-roblox-promo-codes_GM431946152.pdf
    • http://librarystkippgribl.com/repository/how-to-get-robux-for-free-2021_GM431946152.pdf
    • http://librarystkippgribl.com/repository/coin-master-free-spins-and-coins-daily-links_GM406889139.pdf
    • http://librarystkippgribl.com//repository/pokemon-go-hack-free-coins-no-human-verification_GM1094591345.pdf
    • http://librarystkippgribl.com//repository/free-robux-reddit_GM431946152.pdf
    • http://librarystkippgribl.com//repository/www-cheatsk-com-coin-master-hack_GM406889139.pdf
    • http://librarystkippgribl.com//repository/free-robux-please_GM431946152.pdf
    • http://librarystkippgribl.com//repository/how-to-earn-robux-by-playing-games_GM431946152.pdf
    • http://librarystkippgribl.com/repository/roblox-free-robux-no-password-fo_GM431946152.pdf
    • http://librarystkippgribl.com/repository/free-robuxcom-no-survey_GM431946152.pdf
    • http://librarystkippgribl.com/repository/free-robux-generator-com-roblox-hack_GM431946152.pdf
    • http://librarystkippgribl.com//repository/minecraft-apk-android-free_GM479516143.pdf
    • http://librarystkippgribl.com/repository/dll-roblox-hack-2021-february_GM431946152.pdf
    • http://librarystkippgribl.com/repository/how-to-get-free-robux-apple_GM431946152.pdf
    • http://librarystkippgribl.com//repository/free-coins-and-free-spins-coin-master-2021_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000326a.bin
82580d94d5b9da4c6eafb1a0d282a0d890a12614b932411c509e2b706e87b41d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x326A 21860 bytes
font_01_sfnt_off00006273.bin
7c23f3e3d318805df684302eb3460a013bc43601185b4b54a2bf1903bd620144		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6273 18440 bytes

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