Malicious PDF — malware analysis report

Static analysis result for SHA-256 c65984dcfe4da748…

MALICIOUS

PDF

33.8 KB Created: 2021-07-03 17:25:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: b4290cfa5ef1c1655e9e78fbdeb73757 SHA-1: 9bea67de8cb6cde843748d04157d82b2d7076116 SHA-256: c65984dcfe4da748023ae3cf7a9b696b1a61dc966e635a3233edae49b5efb089
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple embedded URLs, including one pointing to an IP address, that are designed to lure users into downloading game-related cheats or hacks. The ML classifier strongly indicated maliciousness, and the presence of these links suggests the document is part of a phishing or malware distribution scheme. No scripts were extracted, but the document's structure and embedded URIs are indicative of a social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
    PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
  • 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/406889139/coin-master-free-spin-codes-game-hack
    • http://217.165.206.12/userfiles/files/como-conseguir-robux-gratis-en-roblox-sin-hacks_GM431946152.pdf
    • http://217.165.206.12/userfiles/files/games-to-get-free-robux_GM431946152.pdf
    • http://217.165.206.12/userfiles/files/master-coin-free-link_GM406889139.pdf
    • http://217.165.206.12/userfiles/files/gamehunters-club-coin-master_GM406889139.pdf
    • http://217.165.206.12/userfiles/files/coin-master-free-spins-cheat_GM406889139.pdf
    • http://217.165.206.12/userfiles/files/minecraft-auto-miner-hack_GM479516143.pdf
    • http://217.165.206.12/userfiles/files/minecraft-apk-114-4_GM479516143.pdf
    • http://217.165.206.12/userfiles/files/free-robux-codes-2021-real_GM431946152.pdf
    • http://217.165.206.12/userfiles/files/free-robux-websites-no-human-verification_GM431946152.pdf
    • http://217.165.206.12/userfiles/files/free-robux-com_GM431946152.pdf
    • http://217.165.206.12/userfiles/files/get-tiktok-followers-free_GM835599320.pdf
    • http://217.165.206.12/userfiles/files/how-to-get-free-robux-fast-and-easy_GM431946152.pdf
    • http://217.165.206.12/userfiles/files/working-coin-master-hack-2021_GM406889139.pdf
    • http://217.165.206.12/userfiles/files/free-spins-promo-code-for-coin-master_GM406889139.pdf
    • http://217.165.206.12/userfiles/files/earn-free-robux-today_GM431946152.pdf
    • http://217.165.206.12/userfiles/files/free-minecraft-texture-packs_GM479516143.pdf
    • http://217.165.206.12/userfiles/files/robux-gift-card-free_GM431946152.pdf
    • http://217.165.206.12/userfiles/files/coin-master-free-spain_GM406889139.pdf
    • http://217.165.206.12/userfiles/files/roblox-free-robux-codes_GM431946152.pdf
    • http://217.165.206.12/userfiles/files/minecraft-cracked-client_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f18.bin
38fb82bf4b7dd6879f589e79b720e0274d206e8892dfb5a028b0df0559079736
pdf-font-stream PDF embedded font (sfnt) at offset 0x2F18 22532 bytes
font_01_sfnt_off0000612a.bin
9e9c4f8be19f0ad0d41979f724cf6b1bf7467f7e43e4e9071540c80937701c51
pdf-font-stream PDF embedded font (sfnt) at offset 0x612A 18348 bytes