Malicious PDF — malware analysis report

Static analysis result for SHA-256 9645268b4c4b8763…

MALICIOUS

PDF

41.2 KB Created: 2021-05-10 18:44:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 9f32f1bb684a42e9d88f5fe9019079a9 SHA-1: 3238d60680139b72e8d5aa0842acf914717c810d SHA-256: 9645268b4c4b8763a8623dd085636fbd4fc0afa60ff5032858a171b67b7adfc4
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and a call-to-action button, all directing the user towards "game hack" lures for popular games like Minecraft and Coin Master. The primary URL, https://netcdn.xyz/app/479516143/can-you-get-minecraft-for-free-on-pc-game-hack, is flagged as a redirector for such lures. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a phishing or malware distribution attempt, likely initiated via a spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9826

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/can-you-get-minecraft-for-free-on-pc-game-hack PDF link annotation
    • http://www.ladillo.com/images/hack-coin-master-343-apk_GM406889139.pdfIn PDF document text
    • http://www.ladillo.com/images/como-hackear-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.ladillo.com/images/coin-master-free-spins-link-download-today_GM406889139.pdfIn PDF document text
    • http://www.ladillo.com/images/robux-miner_GM431946152.pdfIn PDF document text
    • http://www.ladillo.com/images/www-claim-gg-to-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://www.ladillo.com/images/rbx-website_GM431946152.pdfIn PDF document text
    • http://www.ladillo.com/images/coin-master-free-spin-daily-link_GM406889139.pdfIn PDF document text
    • http://www.ladillo.com/images/minecraft-reach-hack_GM479516143.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_off00003c8a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3C8A 25016 bytes
SHA-256: 0c50ebc686904c40e0a94cc45545d6c7aaf10c615b66fd08d48752a017752a5a
font_01_sfnt_off0000756e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x756E 3128 bytes
SHA-256: 801f6fa60decd1add2f223f91580103c35e150c924465f86a7a572b3e00674f9
font_02_sfnt_off00007fae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FAE 18164 bytes
SHA-256: 8ea32a8e02995d89b02eafa4dcf94783bb214565530167096c35ff51f311a6e6

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