Malicious PDF — malware analysis report

Static analysis result for SHA-256 7eeed604c6e72dbe…

MALICIOUS

PDF

35.0 KB Created: 2021-07-06 13:38:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-02
MD5: 68ec0c4aabe91d93710644d38965f435 SHA-1: 01c9cef141b8b2bdcfb26b351a24a17b617eb88b SHA-256: 7eeed604c6e72dbe7e64cf9e0a38e0a898f2aa76c44fe771e7613c50d23c6992
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 0.9980

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.tw/app/835599320/free-tiktok-followers-without-human-verification-game-hack PDF link annotation
    • http://projectunionstreet.com/library/repository/free-robux-picture_GM431946152.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/coin-master-spins-gratis_GM406889139.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/flip-master-coins-hack_GM406889139.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/xray-hack_GM479516143.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/pokemon-go-free-qr-code_GM1094591345.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/60-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/best-free-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/is-windows-10-minecraft-free_GM479516143.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/is-minecraft-dungeons-free_GM479516143.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/coin-master-hack-2021-free_GM406889139.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/minecraft-free-apk-download-016-0_GM479516143.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/legit-coin-master-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/can-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/hack-minecraft_GM479516143.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/coin-master-hack-ios_GM406889139.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/is-roblox-free-on-nintendo-switch_GM431946152.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/worst-client_GM479516143.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/coin-master-no-download-app-but-play-for-free_GM406889139.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/master-coin-free-spin-daily_GM406889139.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/free-robux-videos_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_off000031fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31FA 22456 bytes
SHA-256: 0d9c5bc5d52c97289d540a3afc9e9f624c79b042378662557d336a5d1ed1c204
font_01_sfnt_off000063cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63CF 19108 bytes
SHA-256: 2b725cc29983915a7c5494a148da08a98d06647bdb7e247e2d6053c71b221946

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