PDF static analysis report

Static analysis result for SHA-256 3713f5127f5a49e1…

SUSPICIOUS

PDF

42.6 KB Created: 2021-05-12 21:09:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 0222a167c4bfd97f3204f4f6cfd4c0fb SHA-1: e5c6e7c292e1bc036997e60f09a7e3cf2f48082f SHA-256: 3713f5127f5a49e18fc685e0248c90bafaf555462701337dfeb6ff608f41516d
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs, including one explicitly identified as an external URI, that promise free Robux or game hacks. The ML classifier strongly flagged this PDF as malicious, and the presence of these lures suggests a phishing or malware distribution attempt. While no scripts were directly extracted, the PDF structure and embedded URIs are indicative of a malicious lure designed to trick users into visiting potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/free-robux-sites-that-work-game-hack PDF link annotation
    • http://farmaciaisella.it/images/coin-master-free-spins-only_GM406889139.pdfIn PDF document text
    • http://farmaciaisella.it/images/coin-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://farmaciaisella.it/images/coin-master-links-to-free-spins_GM406889139.pdfIn PDF document text
    • http://farmaciaisella.it/images/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • http://farmaciaisella.it/images/game-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://farmaciaisella.it/images/what-games-on-roblox-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://farmaciaisella.it/images/can-lucky-patcher-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://farmaciaisella.it/images/free-robux-discord-servers_GM431946152.pdfIn PDF document text
    • http://farmaciaisella.it/images/get-more-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://farmaciaisella.it/images/cute-free-stuff-on-roblox_GM431946152.pdfIn PDF document text
    • http://farmaciaisella.it/images/blox-world-free-robux_GM431946152.pdfIn PDF document text
    • http://farmaciaisella.it/images/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://farmaciaisella.it/images/free-100-robux_GM431946152.pdfIn PDF document text
    • http://farmaciaisella.it/images/coin-master-free-spins-2021-haktuts_GM406889139.pdfIn PDF document text
    • http://farmaciaisella.it/images/new-free-money-links-coin-master_GM406889139.pdfIn PDF document text
    • http://farmaciaisella.it/images/coin-master-hack-ios-reddit_GM406889139.pdfIn PDF document text
    • http://farmaciaisella.it/images/coin-master-free-spins-2021-blogspot_GM406889139.pdfIn PDF document text
    • http://farmaciaisella.it/images/games-on-roblox-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://farmaciaisella.it/images/roblox-girl-avatar_GM431946152.pdfIn PDF document text
    • http://farmaciaisella.it/images/today-free-spin-link-for-coin-master_GM406889139.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
stream_003_off000048da.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48DA 24976 bytes
SHA-256: 9fbcfbb989d1a429cdea82c040a3393d73e2af777a9b85a2ea6b31442b3df043
font_01_sfnt_off00008221.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8221 19000 bytes
SHA-256: c0bc6bb0706fab35ff455fc4816471a1ab7f6ae4486f691ef98043b3efa3f18d