PDF static analysis report

Static analysis result for SHA-256 f3b0773920ebb1d4…

SUSPICIOUS

PDF

34.6 KB Created: 2021-07-19 22:53:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 8d9734f4b1015333254c0a69267e7330 SHA-1: 7b645f6d98afc99e3d51798cc960442c2b560149 SHA-256: f3b0773920ebb1d4f0e385aa64f26dd9b388220522c1f66bcb6c81674c5ca1d3
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs and a prominent call-to-action for 'Coin Master Free Spins'. The primary URL, http://netcdn.tw/app/406889139/coin-master-free-spins-and-coins-daily-game-hack, likely hosts a malicious payload or redirects to a phishing site. The ML classifier strongly flagged this PDF as malicious, supporting the suspicious nature of the content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9955

Heuristics 3

  • 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/406889139/coin-master-free-spins-and-coins-daily-game-hack PDF link annotation
    • https://newenglandafs.com/images/how-to-get-free-tiktok-fans_GM835599320.pdfIn PDF document text
    • https://newenglandafs.com/images/free-minecraft-server-maker_GM479516143.pdfIn PDF document text
    • https://newenglandafs.com/images/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
    • https://newenglandafs.com/images/coin-master-free-spins-promo-code_GM406889139.pdfIn PDF document text
    • https://newenglandafs.com/images/minecraft-apk-download-v1-144-2-free_GM479516143.pdfIn PDF document text
    • https://newenglandafs.com/images/free-robux-giveaway_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/can-you-get-robux-for-free_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/minecraft-free-download-chromebook_GM479516143.pdfIn PDF document text
    • https://newenglandafs.com/images/free-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • https://newenglandafs.com/images/free-robux-gift-card_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off000030c6.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x30C6 23076 bytes
SHA-256: 5d1fe3661cd4c729a9bdb0304c9f32d76ae8c310d60b8d89f442414517eb0e7c
font_01_sfnt_off000064b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64B8 18480 bytes
SHA-256: e9052e0f9c593188345ba389179451ef12c6c6a401d56a628cce0964dfd3917c

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