PDF static analysis report

Static analysis result for SHA-256 90ff5c43e74bd4a2…

SUSPICIOUS

PDF

39.9 KB Created: 2021-04-27 15:13:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: a17d19c8d56c11b4604e9efa594872a8 SHA-1: 1944aef13862fd686382eb90043cdaebe7efe419 SHA-256: 90ff5c43e74bd4a2f3a393bfbe878198cf26e2b0eda1fdec02b25ace47e1f256
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded URLs and a call-to-action phrase, suggesting an attempt to trick the user into downloading malicious content related to Roblox hacks. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were directly extracted, the presence of external links and the document's theme indicate a likely phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

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/431946152/jailbailer-roblox-hack-game-hack PDF link annotation
    • http://www.saburai.ac.id/elibrary//repository/roblox-cheat-engine-download-2021.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-robux-generator-survey.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-roblox-rigs.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-free-boombox-script.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-hack-into-files-to-get-robux.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-frappe-hacks.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/using-cheat-engine-on-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/robux-logo-hack.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-stucid-fly-hack.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/80-robux-for-free.pdfIn PDF document text
    • https://robux-rank.comIn 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_003_off00003f31.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3F31 26804 bytes
SHA-256: c074bacb2c1a6ac3c63aee3947041ea4c701264a6db81237b55d63a55cc376c7
font_01_sfnt_off000079b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79B1 18468 bytes
SHA-256: 5ac26946b7ad593ff654b0eed5dae8477bfc1660de715f62568292c0df074b4b

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