PDF static analysis report

Static analysis result for SHA-256 4dc2a5eba23d56bb…

SUSPICIOUS

PDF

31.8 KB Created: 2021-07-20 13:40:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 0b9ed7c58a45ff6cfa82e18a7ebb5326 SHA-1: 524bf4bcbca1647e841b1e4702665bec9e3fdeaf SHA-256: 4dc2a5eba23d56bb31cc0fbe2a702d55a4b4c10fe8b733b2d2550ffcb3671bcc
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded URLs and document body text promoting "Free Robux" and "Robux Generators", indicating a likely phishing or scam attempt. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs suggests the document is designed to redirect users to potentially harmful websites. No scripts were extracted, but the overall pattern points to a social engineering lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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/431946152/free-robux-site-game-hack PDF link annotation
    • http://www.ck-ceramic.com/Public/upload/editorfiles/minecraft-free-download-unblocked_GM479516143.pdfIn PDF document text
    • http://www.ck-ceramic.com/Public/upload/editorfiles/tiktok-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://www.ck-ceramic.com/Public/upload/editorfiles/free-tiktok-video_GM835599320.pdfIn PDF document text
    • http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-free-coins-on-tiktok_GM835599320.pdfIn PDF document text
    • http://www.ck-ceramic.com/Public/upload/editorfiles/minecraft-dungeons-free-download_GM479516143.pdfIn PDF document text
    • http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-free-robux-on-mobile_GM431946152.pdfIn PDF document text
    • http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-free-tiktok-likes_GM835599320.pdfIn PDF document text
    • http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-real_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
font_00_sfnt_off00002ae4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2AE4 21332 bytes
SHA-256: a7d54b3011ce781058b0adcdc9cce806e6ffd417409080e75e42634c211cad51
font_01_sfnt_off00005981.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5981 18424 bytes
SHA-256: c0d7bb3eba240c0acc2967dceb91a93ff2e46c3e83fa83925ba0344f28cc5f97

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