PDF static analysis report

Static analysis result for SHA-256 fc9cb248efcf53a9…

SUSPICIOUS

PDF

34.2 KB Created: 2021-07-04 06:15:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 994f1e75f9ff4fa2bac6932b9f7a89c7 SHA-1: c65e096227eb26e8e46caeb04bc159a3fc048029 SHA-256: fc9cb248efcf53a9f766e87482d11ffcbafad60657c9f67651f370c9befd281e
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and text that promote game hacks and cheats, specifically for Coin Master and Roblox. The presence of an external URI pointing to 'netcdn.tw' suggests an attempt to redirect the user to download a payload. The ML classifier also flagged this PDF as malicious 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.tw/app/406889139/no-verification-coin-master-hack-game-hack PDF link annotation
    • https://htdvn.com/public/upload/files/free-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/roblox-admin-hack_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/viper-venom-roblox-hack-download_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/free-roblox-exploits-no-virus_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/robux-match_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/get4mobilebiz-free-robux_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/roblox-speed-hack-feb-4_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/minecraft-fly-hack_GM479516143.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/roblox-free-pants-girl_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/how-to-download-minecraft-for-free-on-mac_GM479516143.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/free-robux-generator-2021-no-survey_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/how-to-hack-on-roblox-btools_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/tiktok-free-followers-generator_GM835599320.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/paginas-web-para-conseguir-robux-gratis-sin-hacks-2021_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/roblox-treelands-free_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/why-are-you-cheating-on-your-roblox-girlfriend_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_off00002f30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F30 23204 bytes
SHA-256: 4f4b93e7be53160c6ee0164c4f0c8950503d43e6ebc291afb5aabbef084d1825
font_01_sfnt_off0000633c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x633C 18140 bytes
SHA-256: 2eb40c78851d36f006129987f6995a425744f37c3805d43da4635a9766ae6e8e