PDF static analysis report

Static analysis result for SHA-256 38df42b0875daf92…

SUSPICIOUS

PDF

34.3 KB Created: 2021-06-19 13:34:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 769d76a6133f56c8eb23a7ca04390232 SHA-1: 1f9e17c37e30cd61b4d73ad6d2250cbb64ee5a68 SHA-256: 38df42b0875daf92b95bccc98ca3604647bb7cba59bd563b3d87096b00eba723
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous embedded URLs, with a primary focus on 'free Robux' and game-related cheats, suggesting a lure for potentially unwanted software or phishing. The presence of a 'download button' heuristic further supports this, indicating an attempt to trick the user into clicking a malicious link. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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.co/app/431946152/free-robux-no-server-game-hack PDF link annotation
    • http://www.sfakia-online.com/images/coin-master-free-soins_GM406889139.pdfIn PDF document text
    • http://www.sfakia-online.com/images/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
    • http://www.sfakia-online.com/images/free-perm-admin-roblox_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/best-free-software-to-make-thumbnails-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/can-you-make-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • http://www.sfakia-online.com/images/free-roblox-accounts-with-robux-2021-november_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/free-coin-spin-daily-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://www.sfakia-online.com/images/rbx-place-free-robux_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/boku-no-roblox-hack_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/free-spins-for-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://www.sfakia-online.com/images/the-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://www.sfakia-online.com/images/roblox-army-free-robux_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/minecraft-games-online-free-no-download_GM479516143.pdfIn PDF document text
    • http://www.sfakia-online.com/images/coin-master-hack_GM406889139.pdfIn PDF document text
    • http://www.sfakia-online.com/images/coin-master-free-spins-and-coins-app-download_GM406889139.pdfIn PDF document text
    • http://www.sfakia-online.com/images/free-robux-games_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/roblox-pastebin-hack-give-gun_GM431946152.pdfIn PDF document text
    • http://www.sfakia-online.com/images/coin-master-hack-activegamer_GM406889139.pdfIn PDF document text
    • http://www.sfakia-online.com/images/roblox-free-admin-hack-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003175.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3175 21792 bytes
SHA-256: 08404e2a2b74730b4ca1537a7c517877135d80a3a79147e9f00e9d27730ed9ac
font_01_sfnt_off000061ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61AD 18828 bytes
SHA-256: b9c3bf25a22324eda5f15c82dc062fd40662b912d1a62ac4175801d802807cb0