PDF static analysis report

Static analysis result for SHA-256 3d97c4f4c607c44b…

SUSPICIOUS

PDF

33.1 KB Created: 2021-07-06 03:20:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 2d3208196354609af1060a9b9b59c026 SHA-1: 8b76e338c4bd4b291ec1ac37730b0c4a4506f128 SHA-256: 3d97c4f4c607c44ba04f37c99fad39b2b0db7886351ecf54a72df7e16b0dd7d6
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a call-to-action phrase, strongly suggesting a phishing or social engineering lure. The primary URL, http://netcdn.tw/app/431946152/hack-avatar-robux-game-hack, likely hosts a malicious payload. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

Heuristics 3

  • 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/hack-avatar-robux-game-hack PDF link annotation
    • http://www.elibrary.perludem.org/repository/free-roblox-groups_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/roblox-promo-code-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/roblox-play-now-for-free_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/free-spin-link-in-coin-master-game_GM406889139.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/roblox-robux-hack-ad_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/complete-the-obby-for-free-robux_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/free-robux-2021-survay-pc_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/hack-peoples-accounts-oh-roblox_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/roblox-free-slime-wings_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/games-that-give-you-free-stuff-in-roblox_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/free-robux-sin-vertificacion_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/vdeos-de-los-mejores-hackers-que-hackean-cuentas-en-roblox_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/how-to-get-gear-in-roblox-free-admin_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/how-to-call-roblox-for-free-robux_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/comapp-trekfree-coin-spindaily-link-master_GM406889139.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/como-recuperar-tu-cuenta-de-roblox-hackeada_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/coin-master-free-link-app_GM406889139.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/roblox-hack_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/www-free-robux_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/how-to-hack-roblox-to-get-admin-commands_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002b0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B0A 22488 bytes
SHA-256: 62d289adb3fd0fb56168cf8fa9955f2b497850144f56a4ce752f95c790ff9a47
font_01_sfnt_off00005d1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D1B 18752 bytes
SHA-256: 3ff364b4e0cec9bb556976d826b970a31e9e9c8c098b91e12c4fc14eb35a312a

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