PDF static analysis report

Static analysis result for SHA-256 4d1797e48c885bf3…

SUSPICIOUS

PDF

40.9 KB Created: 2021-04-27 16:40:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: afc5bbd1e552c546ba47152a5e8ffda5 SHA-1: 905d2acd7ef1b60a5d983abad7374a1d3e3600fb SHA-256: 4d1797e48c885bf30cd6ae925aaa5bd864928a08655a1dc0f0f7948d8a115d12
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to obtaining free Robux, directing users to external URLs. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs suggests an attempt to redirect users to potentially harmful content or phishing sites. No scripts were extracted, but the overall structure and embedded URLs indicate a social engineering attack.

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-on-adopt-me-game-hack PDF link annotation
    • http://www.saburai.ac.id/elibrary//repository/free-roblox-wallpapers.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/hack-roblox-vehicle-simulator-2021.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-1-robux.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-robux-promo-codes-september-2021.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-do-you-get-the-hack-no-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-robux-hack-no-verification.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/change-org-free-robux.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-api-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/april-fools-roblox-hack.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-get-roblox-bloxburg-for-free.pdfIn PDF document text
    • https://freerobux.cyouIn 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_off00004223.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4223 25080 bytes
SHA-256: cae4f1838413c17adcc203079a059a888814b86b59fc4a487e1065eb94abcd52
font_01_sfnt_off00007c68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C68 18828 bytes
SHA-256: c1732e43527031b5f9f739f45a87e092ec7b1556d55c83a911b67091098cd280

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