PDF static analysis report

Static analysis result for SHA-256 dc22e2587764ae30…

SUSPICIOUS

PDF

48.2 KB Created: 2021-06-09 08:44:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 595fc7185985fe0a969e66921274c91a SHA-1: ca272255d77c4cd8888c779f3c598838957efb20 SHA-256: dc22e2587764ae305902e0822504a90ff203c0f0b8c5bd54c43d53e486ed923e
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a visual download button lure, indicating an attempt to trick the user into downloading a malicious script. The primary URL, https://netcdn.tw/app/431946152/script-hack-roblox-legend-of-speed-game-hack, suggests the payload is a game-hacking script. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a phishing or social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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.tw/app/431946152/script-hack-roblox-legend-of-speed-game-hack PDF link annotation
    • http://unilin21.ru/images/roblox-promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
    • http://unilin21.ru/images/free-spin-link-coin-master_GM406889139.pdfIn PDF document text
    • http://unilin21.ru/images/roblox-free-robux_GM431946152.pdfIn PDF document text
    • http://unilin21.ru/images/free-free-robux_GM431946152.pdfIn PDF document text
    • http://unilin21.ru/images/free-robux-gift-card_GM431946152.pdfIn PDF document text
    • http://unilin21.ru/images/free-minecraft-server-hosting-with-plugins_GM479516143.pdfIn PDF document text
    • http://unilin21.ru/images/roblox-got-talent-piano-hack_GM431946152.pdfIn PDF document text
    • http://unilin21.ru/images/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://unilin21.ru/images/coin-master-free-link-2021_GM406889139.pdfIn PDF document text
    • http://unilin21.ru/images/how-to-get-free-minecraft-skins_GM479516143.pdfIn PDF document text
    • http://unilin21.ru/images/how-to-get-free-promo-codes-roblox_GM431946152.pdfIn PDF document text
    • http://unilin21.ru/images/free-minecraft-skins-java_GM479516143.pdfIn PDF document text
    • http://unilin21.ru/images/buy-robux-free_GM431946152.pdfIn PDF document text
    • http://unilin21.ru/images/free-coin-master-coins_GM406889139.pdfIn PDF document text
    • http://unilin21.ru/images/how-to-get-free-cards-sets-for-coin-master_GM406889139.pdfIn PDF document text
    • http://unilin21.ru/images/tiktok-free-book-website_GM835599320.pdfIn PDF document text
    • http://unilin21.ru/images/how-to-hack-coin-master-using-es-file_GM406889139.pdfIn PDF document text
    • http://unilin21.ru/images/coinmasterhack-club_GM406889139.pdfIn PDF document text
    • http://unilin21.ru/images/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://unilin21.ru/images/free-robux-using-tampermonkey_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_004_off000050b1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50B1 26080 bytes
SHA-256: cb14c4f981df3cf93d172877d03270a381f5d8e47200561b1809fd58dc442e85
font_01_sfnt_off00008d1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D1F 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off0000970a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x970A 19044 bytes
SHA-256: d9e7fdddc157c159b4680da336a1a9885508bd2430ccf73c2f117b7ca0c7d1f1