PDF static analysis report

Static analysis result for SHA-256 713edd910aab4068…

SUSPICIOUS

PDF

40.5 KB Created: 2021-05-13 20:15:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 1cd0b0ee6bdde987cab2c12fcbac8fa9 SHA-1: 309fb726fc2129bfde60bc8b63ebb1c4adc5ec5b SHA-256: 713edd910aab40684604603aee00213526199df3e76fabefa5193beabbfc5136
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains multiple embedded URLs and a visual download button lure, suggesting an attempt to trick the user into downloading a secondary payload. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were directly extracted, the presence of external links and the ML classification strongly indicate a malicious intent, likely to deliver malware.

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/406889139/spin-link-game-hack PDF link annotation
    • http://mklista.ru/images/www-robux-redeem_GM431946152.pdfIn PDF document text
    • http://mklista.ru/images/coin-master-el-tiger-card-free_GM406889139.pdfIn PDF document text
    • http://mklista.ru/images/coin-master-free-spins-daily-link-updated_GM406889139.pdfIn PDF document text
    • http://mklista.ru/images/master-coin-free-spin-daily_GM406889139.pdfIn PDF document text
    • http://mklista.ru/images/minecraft-java-account-free_GM479516143.pdfIn PDF document text
    • http://mklista.ru/images/free-robux-no-verify_GM431946152.pdfIn PDF document text
    • http://mklista.ru/images/free-robux-generator-2021-no-survey_GM431946152.pdfIn PDF document text
    • http://mklista.ru/images/where-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://mklista.ru/images/how-to-get-free-pet-snacks-in-coin-master_GM406889139.pdfIn PDF document text
    • http://mklista.ru/images/hack-game-coin-master_GM406889139.pdfIn PDF document text
    • http://mklista.ru/images/coin-master-hack-without-verification-or-downloading-apps_GM406889139.pdfIn PDF document text
    • http://mklista.ru/images/coin-master-60-spins_GM406889139.pdfIn PDF document text
    • http://mklista.ru/images/ww-robux_GM431946152.pdfIn PDF document text
    • http://mklista.ru/images/daily-free-spin-link-in-coin-master_GM406889139.pdfIn PDF document text
    • http://mklista.ru/images/coin-master-free-spins-link-today-2021_GM406889139.pdfIn PDF document text
    • http://mklista.ru/images/coin-master-hack-with-lucky-patcher_GM406889139.pdfIn PDF document text
    • http://mklista.ru/images/robloxheroxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://mklista.ru/images/how-to-get-free-pet-food-in-coin-master_GM406889139.pdfIn PDF document text
    • http://mklista.ru/images/daily-free-spins_GM406889139.pdfIn PDF document text
    • http://mklista.ru/images/coin-master-cheats-free-spins_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_off00004762.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4762 24244 bytes
SHA-256: b01644d74a6688067bb5e75f60ea45aa7925cc0e04619199a3260301f95bb8a7
font_01_sfnt_off00007e67.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E67 17420 bytes
SHA-256: c61b493abd50a1b6cbb3c364df034310bb1eafa496f87ac3d197ad8d6a3a520f