Malicious PDF — malware analysis report

Static analysis result for SHA-256 00753bdfc57c4005…

MALICIOUS

PDF

34.6 KB Created: 2021-06-30 19:20:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 697ad3b23605b6d0201938004ed303b8 SHA-1: c347ed3f1a83db0000e826cd7ee25ddb4ed831fe SHA-256: 00753bdfc57c4005e6c825285b6c67cc68b921845a47c1b3aa397bb33add4bc0
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a high-confidence heuristic firing for a game hack redirect lure, specifically mentioning 'Roblox Hack How To Get Free Robux 2021'. The document body confirms this theme, directing users to external sites that are likely part of a phishing or scam campaign. No scripts were extracted, but the presence of numerous malicious URLs and the lure strongly indicate a 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/roblox-hack-how-to-get-free-robux-2021-game-hack PDF link annotation
    • http://perpus.wdh.ac.id/repository/robloxfun-com-generator_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/cute-free-roblox-clothes_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/free-rubux-cheat-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/hack-coin-master-ios-download_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/hacks-for-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/coin-master-spin-free_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/coin-master-free-cards_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/free-daily-coin-master-coins_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/free-robux-that-actually-work-2021-not-banned_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/roblox-inmortal-hack_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/free-morph-gui-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/hack-de-roblox-lumber-tycoon-2_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/earn-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/resourcly-ml-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/coin-master-free-spins-apple_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/how-to-get-red-valk-for-free-in-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/roblox-murderer-mystery-2-hack-cheat-engine_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/free-roblox-pro-accounts-passwords_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/rbx-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/how-to-change-your-username-on-roblox-for-free-2021_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_off00002dd8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DD8 22560 bytes
SHA-256: e755492c410053bf4f7280174786f6d8a709d76e8dce36452f6f3d3e23723c76
font_01_sfnt_off0000606b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x606B 19628 bytes
SHA-256: 934105d490672693e6eb66c0ebbc4ce4d9877360e834c237658e8ad589081cd6

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