PDF static analysis report

Static analysis result for SHA-256 b8dd4fb31b1634f7…

SUSPICIOUS

PDF

37.0 KB Created: 2021-07-08 17:01:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: db6eb9a58e0bb4cf1bb27cd8f774e93d SHA-1: fa1078860c77c52afb4f7e714e79d0a0798eec61 SHA-256: b8dd4fb31b1634f76bc869b03c907036ae01ed411fc8f8d859e13fd145a8c045
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a visual call-to-action button, strongly suggesting a phishing or social engineering lure. The ML classifier also flagged this PDF as malicious. The document body and extracted URLs indicate a likely attempt to trick users into downloading further content related to game cheats or in-game currency, which could lead to malware or unwanted applications.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9886

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/406889139/coin-master-fan-page-free-spins-game-hack PDF link annotation
    • http://visti.rovno.ua/ckfinder/userfiles/files/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/coin-master-free-spons-apk-2021_GM406889139.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/free-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/coin-master-free-gifts_GM406889139.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/how-to-get-real-robux_GM431946152.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/free-robux-master_GM431946152.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/minecraft-net-free_GM479516143.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/robux-cheat-cods_GM431946152.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/coin-master-facebook-free-spins_GM406889139.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/minecraft-that-you-can-play-for-free_GM479516143.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/minecraft-pocket-edition-free-ios_GM479516143.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/roblox-cheats-and-hacks-download_GM431946152.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/get-free-robux-eu5-net_GM431946152.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/real-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/coin-master-hacks-reddit_GM406889139.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/free-robux-easy_GM431946152.pdfIn PDF document text
    • http://visti.rovno.ua/ckfinder/userfiles/files/free-robux-by-watching-videos-and-no-surveys-or-downloads_GM431946152.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_002_off00003120.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3120 22652 bytes
SHA-256: e09b8662edf4c6cce2b9db58c776cce285c570994e9949f2ce8634754dca6076
font_01_sfnt_off000063a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63A9 2896 bytes
SHA-256: c1a618813a64314343402b2ec738fc11c4c912460a4c7ae3029924d2f9a229cd
font_02_sfnt_off00006d8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D8E 18328 bytes
SHA-256: fc07e399d569c9cb0326c2788f4b655073573cb4c501715abae06525b94755db