PDF static analysis report

Static analysis result for SHA-256 589824c321e41e57…

SUSPICIOUS

PDF

35.0 KB Created: 2021-07-05 08:15:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 29930d32d0fd83e29e769c79459d0922 SHA-1: 137c99440db3b8e9e10af3dd5e916c7f281db501 SHA-256: 589824c321e41e57b48da758fcb898430b0fb495d3ce0ff8bce8fde85007eda3
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, including one at 'http://netcdn.tw/app/406889139/haktuts-coin-master-free-spin-link-game-hack', which likely serves as a lure for users seeking in-game rewards. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent. While no scripts were explicitly extracted, the presence of embedded URLs and the ML detection suggest this document is designed to redirect users to potentially harmful content, possibly for credential harvesting or malware distribution.

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/haktuts-coin-master-free-spin-link-game-hack PDF link annotation
    • http://www.nfca.org.tw/upload/files/robuxy-com-free-robux_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/gift-roblox-com-free_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/free-spin-coin-master-today_GM406889139.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/coin-master-free-stuff_GM406889139.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/how-to-get-free-robux-for-kids_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/how-to-get-minecraft-for-free-on-xbox-360_GM479516143.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/is-it-safe-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/coin-master-village-3_GM406889139.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/roblox-earn-robux_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/free-robux-websites-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/avatar-de-roblox_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/new-cheat-roblox_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/rblx-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/roblox-hack-revealed_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/tiktok-fame-free_GM835599320.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/how-to-get-free-robux-without-getting-apps_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/roblox-adopt-me-hack_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/synapse-roblox-free-download_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/how-to-get-hacks-on-roblox_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_off00003245.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3245 23356 bytes
SHA-256: ed24d572e02e2605b5eccd7ecf530a7544d6afcde7d2275f7dadc90e7a69bba2
font_01_sfnt_off000065cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65CD 18484 bytes
SHA-256: d9a037a653ed28116979e3af0bb76bb4d7eaba1060cd405c4d4ff8bdf95a3337