PDF static analysis report

Static analysis result for SHA-256 51fdd996ada4159f…

SUSPICIOUS

PDF

34.8 KB Created: 2021-07-20 07:02:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: ed8cc8988ad799012ffa7dadc5973212 SHA-1: 6a53dbdb28e1fd1b0ad933d271621d2ac30b0ff6 SHA-256: 51fdd996ada4159f15ffa05bdf9d51c930eb3938aab6c72a3aee3be3861b6f40
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a call-to-action phrase, strongly suggesting a phishing or scam attempt. The primary URL, http://netcdn.tw/app/406889139/coin-master-free-coins-and-spins-game-hack, is directly associated with the lure of free in-game currency. While no scripts were explicitly extracted, the ML classifier flagged this PDF as highly malicious, indicating a strong probability of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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-coins-and-spins-game-hack PDF link annotation
    • https://7gking.tw/upload/files/how-to-get-minecraft-realms-for-free_GM479516143.pdfIn PDF document text
    • https://7gking.tw/upload/files/minecraft-free-download-chromebook_GM479516143.pdfIn PDF document text
    • https://7gking.tw/upload/files/free-robux-exe_GM431946152.pdfIn PDF document text
    • https://7gking.tw/upload/files/100-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://7gking.tw/upload/files/minecraft-free-ios_GM479516143.pdfIn PDF document text
    • https://7gking.tw/upload/files/coin-master-free-spins-daily_GM406889139.pdfIn PDF document text
    • https://7gking.tw/upload/files/free-followers-for-tiktok_GM835599320.pdfIn PDF document text
    • https://7gking.tw/upload/files/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
    • https://7gking.tw/upload/files/can-you-make-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • https://7gking.tw/upload/files/how-to-get-free-followers-on-tiktok_GM835599320.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
font_00_sfnt_off00003399.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3399 22872 bytes
SHA-256: 551965010e25a331628a15298b5f29a67aaf364005edfad133e856d414747cbb
font_01_sfnt_off000066ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66CA 18060 bytes
SHA-256: f77ee24e01944806ea28e16fd73427a54f7109e241804df06ce657d8c6d11cfb

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