PDF static analysis report

Static analysis result for SHA-256 8b4797fb80a7646b…

SUSPICIOUS

PDF

41.3 KB Created: 2021-04-27 12:56:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 30e205b8d66df2a9dad411be6e286eff SHA-1: bf3c65e6d2d070b7ba8dfbede17b248a2e1a9072 SHA-256: 8b4797fb80a7646bee4c7a2e7514009c86121f52308e6ddbdf08662e783d0ec5
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ML classifier strongly indicates maliciousness, and the document body contains a prominent lure for 'Free Robux' along with a clickable link. This suggests a phishing or scam attempt, likely to lead to a malicious download or exploit. The presence of embedded URLs further supports this, pointing towards a potential initial access vector via a malicious document.

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/get-free-robux-2021-game-hack PDF link annotation
    • http://www.saburai.ac.id/elibrary//repository/how-to-play-a-game-that-cost-robux-free.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-hack-menu-jailbreak-2021-abril.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/apoculopse-rising-roblox-hack-script-spawning.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/www-roblox-com-robux-free-download-no-surveys.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/uirbx-club-roblox-robux-hack-generator.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-make-a-roblox-hack-using-hxd.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/break-free-song-id-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-redeem-toy-codes-free.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-get-free-robux-by-playing-roblox.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://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_off000041d6.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x41D6 26044 bytes
SHA-256: 05fd60814476159666dda7ceb90c0676537adb3bf2e329baba8a64e28063267d
font_01_sfnt_off00007ebc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EBC 18520 bytes
SHA-256: 6fe0ff66a16b6ee6dc50657e9361d5c62c74e6da0263e26ac7f67f588141101f

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