Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e2b5fa9cd746ddd…

MALICIOUS

PDF

42.3 KB Created: 2021-05-20 07:05:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-23
MD5: dbdc9fdf7b37dd236a4331ecfdc3c2e7 SHA-1: 8541d9bff01d58854f4d253cfaca333f1759d597 SHA-256: 7e2b5fa9cd746ddd3c465aa294f96acfa0b145aaf3a92cbe0c0bb6a139bc1ad9
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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 https://netcdn.xyz/app/479516143/minecraft-bedrock-free-with-java-game-hack PDF link annotation
    • http://jdlwealth.com/images/minecraft-net-download-free_GM479516143.pdfIn PDF document text
    • http://jdlwealth.com/images/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/without-pokemon-go-free-coins_GM1094591345.pdfIn PDF document text
    • http://jdlwealth.com/images/minecraft-windows-10-free-code_GM479516143.pdfIn PDF document text
    • http://jdlwealth.com/images/free-robux-wheel_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-apk-hack_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/free-robux-link_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/free-daily-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/minecraft-bedrock-edition-hacks_GM479516143.pdfIn PDF document text
    • http://jdlwealth.com/images/oprewards-com-login_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/roblox-but_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-free-spins-for-today_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/daily-free-spin-coin-master-link_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/roblox-points_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-hack-unlimited-spins-apk_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/bloxawards-com-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-heaven-daily-free-spins-and-coins-links_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/free-spin-app-coin-master_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/how-to-get-free-roebucks_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
stream_003_off00004751.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4751 25568 bytes
SHA-256: 91d0871a6ce924b8d63f499c607825d62306d558e4a7dcea9a91e0b7c22da836
font_01_sfnt_off0000813e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x813E 18912 bytes
SHA-256: 4030f6649d0ebdd9f19ba86bdfab3d907e637ec7756e67114778b3c35e301262

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