PDF static analysis report

Static analysis result for SHA-256 ecf210afd96482e1…

SUSPICIOUS

PDF

40.6 KB Created: 2021-04-27 09:47:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 5bafd6f440e5b2caef6c9321a307385e SHA-1: 0c2e1cec2dd7415cf3929eb9ed4ecb3948349ed7 SHA-256: ecf210afd96482e149e6014f13b2e13eeea10f3c7a6091405cffe4dbce39f7e5
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to "Guava Juice Robux Hack" and includes an external URI pointing to a suspicious URL. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs suggests an attempt to redirect the user to download a secondary payload. No scripts were extracted, but the overall structure and embedded URLs 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/guava-juice-robux-hack-game-hack PDF link annotation
    • http://www.saburai.ac.id/elibrary//repository/april-fools-roblox-hack.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/what-does-ce-stand-for-the-hack-for-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-robux-gift-cards-2021.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/cheat-to-win-obby-roblox-yt.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-hair-roblox-hack.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/lazyblocks-com-free-robux-2021.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-snowman-package-free.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/daily-free-robux.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/como-hackear-cuentas-de-roblox.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_003_off00004029.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4029 25928 bytes
SHA-256: 388afe0324187fd3daf3be4ba185c35f0a1ea5d18f679cff667b754c82d5de85
font_01_sfnt_off00007bd8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BD8 18648 bytes
SHA-256: d3870bb5c97a7de3eedbe8e96c85b2d7c278a6eeee6dafc11271fc2858780172

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