PDF static analysis report

Static analysis result for SHA-256 55d037785acd6db0…

SUSPICIOUS

PDF

43.9 KB Created: 2021-04-27 04:38:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 7988865e3ebf98c7c48226746454ab7a SHA-1: c010cc32a5b402b5690c063689f97b0410cd7019 SHA-256: 55d037785acd6db03a2797eb8851785122c159ef6da1f99f64ae46783aa02fd2
50 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links and text that strongly suggest a lure for downloading a "Cheat Engine" tool for Roblox. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of multiple external URLs and the nature of the lure indicate an attempt to trick the user into downloading a potentially harmful payload, likely related to game cheating or hacking.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9868

Heuristics 4

  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/cheat-engine-2021-roblox-game-hack PDF link annotation
    • http://www.saburai.ac.id/elibrary//repository/free-face-roblox-makeup.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-roblox-video.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-cheat-engine-download-2021.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/egg-hacker-2021-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-roblox-toy-codes-december-2021.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/descargar-roblox-hackeado-adopt-me-2021.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/hats-roblox-free.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/hacks-para-infinity-anime-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-get-free-robux-legit-with-proof.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000041dd.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x41DD 24664 bytes
SHA-256: 948d2b67280548441dfa357377d91e1e1f7b4d1d49d88a79b5bf758d5fd8b1a1
font_01_sfnt_off00007a49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A49 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off000086f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86F0 19092 bytes
SHA-256: 68b50cdc549256f108eda8451e00753319ec85f61d8893a2872bfa0fe4f81174