PDF static analysis report

Static analysis result for SHA-256 d31d8a6c58ba45c1…

SUSPICIOUS

PDF

36.8 KB Created: 2021-05-22 06:19:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c79db20dcbe716fa53df3fe6b3650b06 SHA-1: 4a7ac529d98ca0c240d03f1b23d6032a8e7798a8 SHA-256: d31d8a6c58ba45c1daf456065d3073d87f1e8701f94f95d39858c92a9d48d50f
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs pointing to suspicious domains, and a high-confidence ML classifier flagged it as malicious. The document body and embedded link annotations suggest a lure for downloading a game hack, likely leading to further malicious activity. The presence of external URIs and the overall structure indicate an attempt to trick the user into downloading a payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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 https://netcdn.xyz/app/479516143/get-minecraft-windows-10-free-game-hack PDF link annotation
    • http://pesok-rk.ru/images/install-coin-master_GM406889139.pdfIn PDF document text
    • http://pesok-rk.ru/images/make-free-robux_GM431946152.pdfIn PDF document text
    • http://pesok-rk.ru/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://pesok-rk.ru/images/daily-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://pesok-rk.ru/images/is-minecraft-vr-free_GM479516143.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_off00003529.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3529 24804 bytes
SHA-256: c0c5b9e9db758f2abe8ab0f0f05e02e597e8f25a440b8f76df7ea2a937ee3d3d
font_01_sfnt_off00006dd0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DD0 18524 bytes
SHA-256: afbe33bac95265c6f2b043ad9a50b9956be980e83b0cfba0a93a34130b59281e

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