PDF static analysis report

Static analysis result for SHA-256 caf09cd02c5954c3…

SUSPICIOUS

PDF

36.4 KB Created: 2021-07-19 16:02:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: dcd57937c461bfdb151aa0af868cdd89 SHA-1: 8c167f8881fdf8b6f4ee5cbfe25151dc469b6b2e SHA-256: caf09cd02c5954c3eb58689bcb28bbdb7f36ac084530914daa5fe7daea201c9e
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains lures for "Free Spins On Coin Master" and "Coin Master Generator" which direct users to a malicious URL. The ML classifier strongly flagged this PDF as malicious, and multiple external URIs were found embedded within the document, indicating a likely attempt to redirect users to a malicious site for credential harvesting or malware download. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9216

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/free-spins-on-coin-master-game-hack PDF link annotation
    • http://greenoase.be/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://greenoase.be/images/roblox-pink-free-robux_GM431946152.pdfIn PDF document text
    • http://greenoase.be/images/robux-hack_GM431946152.pdfIn PDF document text
    • http://greenoase.be/images/free-coin-master-spins-blog_GM406889139.pdfIn PDF document text
    • http://greenoase.be/images/best-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://greenoase.be/images/how-to-get-minecraft-for-free-on-phone_GM479516143.pdfIn PDF document text
    • http://greenoase.be/images/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://greenoase.be/images/roblox-hack-me_GM431946152.pdfIn PDF document text
    • http://greenoase.be/images/free-minecraft-printables_GM479516143.pdfIn PDF document text
    • http://greenoase.be/images/coin-master-free_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00002f2e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2F2E 23248 bytes
SHA-256: 801c47ab2fe61eb7431b2388ecc9f2989f77934db3055f72d90f13efad9cd8b4
font_01_sfnt_off00006378.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6378 2896 bytes
SHA-256: c1a618813a64314343402b2ec738fc11c4c912460a4c7ae3029924d2f9a229cd
font_02_sfnt_off00006d5d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D5D 17884 bytes
SHA-256: addbd5428a422ca7211e94293fed3a4f98c85d5f6337328d4d3623e90d90c649

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