PDF static analysis report

Static analysis result for SHA-256 3fd951b6f14a3bd5…

SUSPICIOUS

PDF

35.0 KB Created: 2021-07-20 06:13:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: ba852113d0bc89e855321a5bd30ce2ac SHA-1: 506e8137815caa3668415b006bc32e1e1e93f2b8 SHA-256: 3fd951b6f14a3bd55498fc825faad5e2097334048979e45980010e2e832a78d8
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document body and extracted URLs indicate a lure for free Robux, a common tactic for scams and malware distribution. The ML classifier strongly flagged this PDF as malicious, and an external URI was found pointing to a potentially malicious download page. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9962

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 http://netcdn.tw/app/431946152/how-to-get-free-robux-2021-no-human-verification-game-hack PDF link annotation
    • https://gobeepbeep.co.uk/media/storage/editor/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://gobeepbeep.co.uk/media/storage/editor/files/mine-minecraft-games-for-free_GM479516143.pdfIn PDF document text
    • https://gobeepbeep.co.uk/media/storage/editor/files/minecraft-for-ipad-free_GM479516143.pdfIn PDF document text
    • https://gobeepbeep.co.uk/media/storage/editor/files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • https://gobeepbeep.co.uk/media/storage/editor/files/minecraft-java-free-trial_GM479516143.pdfIn PDF document text
    • https://gobeepbeep.co.uk/media/storage/editor/files/microsoft-free-robux_GM431946152.pdfIn PDF document text
    • https://gobeepbeep.co.uk/media/storage/editor/files/how-to-get-minecraft-for-free-on-xbox-one_GM479516143.pdfIn PDF document text
    • https://gobeepbeep.co.uk/media/storage/editor/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://gobeepbeep.co.uk/media/storage/editor/files/free-tiktok-likes-app_GM835599320.pdfIn PDF document text
    • https://gobeepbeep.co.uk/media/storage/editor/files/free-minecraft-alts_GM479516143.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
font_00_sfnt_off00002fd2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FD2 22804 bytes
SHA-256: 5ac9ed35dd1681da3690a816eae12de7a8149f36cc0ba7f6db9afc85663f57e1
font_01_sfnt_off000062cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62CD 19612 bytes
SHA-256: 54ebe35a97e5c18431d6c6e5b4deed42a4ccc67a7ee7c9e38a95be4cecadf5db

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