PDF static analysis report

Static analysis result for SHA-256 36e7f409bd20e3d3…

SUSPICIOUS

PDF

40.8 KB Created: 2021-05-02 00:30:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 25848c8c3f0311886ab0986454f8c750 SHA-1: 0c1a2e322d255522d846628109a3410a250b04c0 SHA-256: 36e7f409bd20e3d375f2eb442ff1c15dbf44593daee26e2f8c0a331a686bcd6b
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains lures for free Robux, a popular in-game currency, and embeds multiple URLs pointing to related content. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs suggests an attempt to redirect the user to a malicious site or download further content. While no scripts were explicitly extracted, the PDF structure and embedded links indicate a 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/how-to-get-free-robux-fast-2021-game-hack PDF link annotation
    • https://fridaytravelnepal.com/userfiles/files/how-to-get-a-robux-gift-card-for-free.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/how-to-speed-hack-roblox-cheat-engine.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/roblox-hack-ninja-assassin.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/claim-free-robux-instantly.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/counter-blox-roblox-offensive-hacks-wall-hacks.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/roblox-best-hack-for-jailbreak.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/roblox-free-download-pc-windows-8.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/roblox-vesteria-free.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/lego-hack-download-roblox.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/how-to-get-free-gamepasses-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_off000042c1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x42C1 25144 bytes
SHA-256: c3c09a97da0878355289c7343f2e704b934babc3dbd0ca973bcea3ecf1931a08
font_01_sfnt_off00007b76.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B76 18912 bytes
SHA-256: e903fd3294b68c6e537327687f27eaeab99aab180c2b8c3f48cc863a7aecd561

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