PDF static analysis report

Static analysis result for SHA-256 539dc076a829f793…

SUSPICIOUS

PDF

35.4 KB Created: 2021-06-29 21:53:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 910c2cb6995b0f4aba2ce45729c4d290 SHA-1: b8d05ad0c3aaf71bae8d2e4b812aab9f604a9c3a SHA-256: 539dc076a829f79342ecef9c2dc0a9997d5505af0a567621150ff9bef53c6865
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document body and extracted URLs indicate a lure for game-related cheats and hacks, specifically targeting Roblox and Coin Master. The ML classifier strongly flagged this PDF as malicious, and an external URI was found pointing to a suspicious URL. While no scripts were extracted, the overall content and heuristic firings suggest a phishing or social engineering attempt to trick users into downloading potentially harmful files.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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.co/app/431946152/how-to-hack-peoples-passwords-on-roblox-game-hack PDF link annotation
    • https://ghevanphongdep.vn/public/upload/files/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/hack-admin-roblox-nanteroblox_GM431946152.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/minecraft-free-download-android-apk_GM479516143.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/how-to-hack-any-roblox-account-july-2021_GM431946152.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/how-to-get-minecraft-windows-10-for-free-2021_GM479516143.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/veil-roblox-hack-paid_GM431946152.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/get-free-robux-without-getting-apps_GM431946152.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/roblox-bgs-hacks_GM431946152.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/coin-master-code-for-free-spins_GM406889139.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/how-to-hack-roblox-step-by-step_GM431946152.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/get-me-robux-for-free_GM431946152.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/roblox-hack-download-2021_GM431946152.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/free-coins-coin-master-link_GM406889139.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/roblox-promo-code-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/spin-coin_GM406889139.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/robux-without-verification_GM431946152.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/free-coinmaster-spins_GM406889139.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/roblox-hack-client-2021-wrd-cbx_GM431946152.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_off00003197.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3197 22792 bytes
SHA-256: 0013658993b6cc401ec310141426892c96f23219f9073ca8cc1ed351505b8093
font_01_sfnt_off00006433.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6433 19324 bytes
SHA-256: 0bf4c924593786ec01e725eae79fc7279bbe4138bbff839ea6db12dddc59026d