Malicious PDF — malware analysis report

Static analysis result for SHA-256 ebe7249ead3022e7…

MALICIOUS

PDF

44.3 KB Created: 2021-05-12 11:05:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 812844852788d6c4b52fec33b7b558bc SHA-1: 6cdc63f37a004ca0f8d59aa2b9910fbdb20404dd SHA-256: ebe7249ead3022e7db11fd4af6bcbe7bdfab20321b30fb938c0c612e3bbc8ec3
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 0.9648

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/406889139/hacks-for-coin-master-game-hack PDF link annotation
    • http://bi-bordtennis.dk/images/how-to-get-free-robux-fast-and-easy_GM431946152.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/how-to-get-minecraft-for-free-on-xbox-360_GM479516143.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/how-to-get-free-spins-grom-coin-master_GM406889139.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/coin-master-free-spin-27_GM406889139.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/claim-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/how-to-hack-coin-master-spin-in-hindi_GM406889139.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/free-100-robux_GM431946152.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/rbxfree-com-free-robux_GM431946152.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/roblox-gang_GM431946152.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/daily-free-spin-coin-master-link_GM406889139.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/robux-online_GM431946152.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/how-to-get-free-minecoins-in-minecraft_GM479516143.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/coin-master-card-link-free_GM406889139.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/free-robux-that-actually-works-2021_GM431946152.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/free-spins-on-coin-master-link_GM406889139.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/free-robux-images_GM431946152.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/coin-master-hack-version-download-ios_GM406889139.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/coin-master-codes_GM406889139.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/does-coin-master-hack-work_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004872.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4872 25444 bytes
SHA-256: 1a3296b37fbf39d19d84f41579481139183cd99dc2a2b803dac09cd6dda41f1a
font_01_sfnt_off000081f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81F6 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off00008be1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BE1 17880 bytes
SHA-256: aa3394458939619806496cbc198b043db21b7abc6a7e758b364f4c9fc0519879

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