PDF static analysis report

Static analysis result for SHA-256 763c31ebba08b8b4…

SUSPICIOUS

PDF

35.7 KB Created: 2021-06-27 19:00:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: b1c6c9439bc70275828b9a1456f4ef1b SHA-1: dfb302ac4a1b1a4ca33c2d8717da38beadbb165a SHA-256: 763c31ebba08b8b40104118258a27b9f3e6697d0070a141a66696afcbdc4dc5d
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains lures for game hacks and cheats, directing users to download files from external URLs. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of it being a malicious dropper. The embedded URLs are the primary indicators of compromise, likely leading to the download of a second-stage payload.

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-a-roblox-account-password-2021-game-hack PDF link annotation
    • https://opac.heritagejkt.org/repository/free-roblox-avatar-ideas_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/archery-master-3d-coins-hack_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/hack-coin-master-apk-33_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/coin-master-free-spins-link-whatsapp-group_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/best-robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/free-roblox-com_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/pokemon-go-free-coins-android_GM1094591345.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/coin-master-ios-hack-download_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/assassin-hack-roblox-2021_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/roblox-cheat-comands_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/free-robux-no-survey-or-deals_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/best-free-horror-game-roblox_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/roblox-hack-apk-no-human-verification_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/mining-inc-hack-roblox_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/coin-master-hacked-apk-download-for-android_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/coin-master-heaven-links-free-spins_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/coin-master-free-coins_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/nitro-fun-cheat-codes-roblox_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/free-roblox-pin-codes_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_off000030df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30DF 22880 bytes
SHA-256: dbf57676faba66d72a1201e122a2db886c2f98a0e9067c049c01c802328423ed
font_01_sfnt_off0000641a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x641A 19796 bytes
SHA-256: f471daad32972213ea16559fcf2e5d8d1d0dc68e4c832dfd7548ae6d31f87c45