Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a34e7ee4283f658…

MALICIOUS

PDF

44.1 KB Created: 2021-06-03 11:37:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 5635cbd5d7e384f14b454bdb4c172c90 SHA-1: 1443a4d8c2ea5a18a57730a771473f28fc2ddde9 SHA-256: 2a34e7ee4283f658f4c40cd16e9b9fc2cb3d65a54ac77a8743cfab7ccd9d51fa
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 0.9865

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.online/app/479516143/minecraft-items-game-hack PDF link annotation
    • http://suaedy-library.net/repository/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://suaedy-library.net/repository/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
    • http://suaedy-library.net/repository/minecraft-free-apk-java-edition_GM479516143.pdfIn PDF document text
    • http://suaedy-library.net/repository/minecraft-images-free_GM479516143.pdfIn PDF document text
    • http://suaedy-library.net/repository/free-robux-com_GM431946152.pdfIn PDF document text
    • http://suaedy-library.net/repository/websites-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://suaedy-library.net/repository/get-gold-coin-master-village-hack_GM406889139.pdfIn PDF document text
    • http://suaedy-library.net/repository/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://suaedy-library.net/repository/haktuts-coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://suaedy-library.net/repository/coin-master-free-spins-only_GM406889139.pdfIn PDF document text
    • http://suaedy-library.net/repository/coin-master-hack-apk-free-download_GM406889139.pdfIn PDF document text
    • http://suaedy-library.net/repository/free-spins-on-coin-master-game_GM406889139.pdfIn PDF document text
    • http://suaedy-library.net/repository/coin-master-free-spins-2021-hack_GM406889139.pdfIn PDF document text
    • http://suaedy-library.net/repository/free-spin-hack-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://suaedy-library.net/repository/minecraft-pe-hack-client_GM479516143.pdfIn PDF document text
    • http://suaedy-library.net/repository/free-vpn-for-minecraft_GM479516143.pdfIn PDF document text
    • http://suaedy-library.net/repository/inappropriate-roblox_GM431946152.pdfIn PDF document text
    • http://suaedy-library.net/repository/tower-of-hell-roblox-hack_GM431946152.pdfIn PDF document text
    • http://suaedy-library.net/repository/robux-earning-sites_GM431946152.pdfIn PDF document text
    • http://suaedy-library.net/repository/mobihack-roblox-hack_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_004_off0000504f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x504F 25904 bytes
SHA-256: 6f4c0affb2359eedc72ae3f47cf64c7aae120f3541ac00ccdf588bf8f6367629
font_01_sfnt_off00008b5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B5A 17828 bytes
SHA-256: caeb16e535297cef7867413ef169d4348ce7f3d045ac833c9e2bc41e1b311335

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