Malicious PDF — malware analysis report

Static analysis result for SHA-256 f5297ba4714f6a22…

MALICIOUS

PDF

35.1 KB Created: 2021-06-30 19:31:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 662580c8b88e2d70921d0e0a8a669328 SHA-1: b5613d9bc4640194a2ece61b0e5519e8c9ca2e2f SHA-256: f5297ba4714f6a22bd2db9abdffb6160e1080100de91b1907489f6fec67f085e
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and heuristics indicating it is a lure for game hacks and generators. The primary URL, http://netcdn.co/app/431946152/super-power-training-simulator-hack-roblox-game-hack, is presented as a download link for a 'game hack'. This suggests the document is designed to trick users into clicking the link, likely leading to a malicious download or further compromise. No scripts were extracted, but the overall pattern is consistent with a phishing or social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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/super-power-training-simulator-hack-roblox-game-hack PDF link annotation
    • https://www.toyogas.com.tw/upload/files/minecraft-free-no-download_GM479516143.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/legitimate-coin-master-free-spins-apk_GM406889139.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/roblox-games-with-free-boombox_GM431946152.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/roblox-hacks-2021-mad-city_GM431946152.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/robux-hack-no-buying-apps_GM431946152.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/coin-master-free-spins-link-blogspot-april-2021_GM406889139.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/descargar-roblox-hack-robux-infinito_GM431946152.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/are-there-and-free-safe-roblox-exploits-v3rmillion_GM431946152.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/roblox-lua-scripts-for-cheat-engine_GM431946152.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/how-do-you-get-roebucks-for-free_GM431946152.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/roblox-bux-free_GM431946152.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/free-get-face-scam-roblox_GM431946152.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/free-robux-codes_GM431946152.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/how-to-get-free-roblox-gift-cards_GM431946152.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/roblox-bee-swarm-simulator-cheats-2021_GM431946152.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/roblox-games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/coin-master-hack-tool-v1-9-apk_GM406889139.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/rape-simulator_GM431946152.pdfIn PDF document text
    • https://www.toyogas.com.tw/upload/files/free-spins-and-coins-for-coin-master_GM406889139.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_off00003039.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3039 22404 bytes
SHA-256: 4f8fba4fe251ac393e63d9a47b7bf00aebcfd0eda956edf7cf1da7007434279d
font_01_sfnt_off00006235.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6235 19772 bytes
SHA-256: f8fcf72d67321af0a1e16650dcfb49e732b72054e712f1d558082dafc02cc4ed

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