PDF static analysis report

Static analysis result for SHA-256 a274e222fa4df2bb…

SUSPICIOUS

PDF

32.0 KB Created: 2021-07-21 11:31:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: b0fa19966902fd45e226c3f01227091d SHA-1: 7c7df1d578cdbaf41fdcc5ba7c9b75fb122b5bcd SHA-256: a274e222fa4df2bbf0ab351fa759321c75c48528d6fde427eac6670decfab345
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs, including one pointing to 'netcdn.tw' which is associated with a 'free Robux' generator. The document body also contains similar lures and a call-to-action phrase. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of it being used to deliver a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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/431946152/rbx-free-robux-game-hack PDF link annotation
    • http://peche-madagascar.com/images/free-minecraft-pe-server_GM479516143.pdfIn PDF document text
    • http://peche-madagascar.com/images/free-robux-gift-card-codes-2021_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/how-to-download-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://peche-madagascar.com/images/how-to-get-free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/minecraft-java-edition-redeem-code-free-2021_GM479516143.pdfIn PDF document text
    • http://peche-madagascar.com/images/minecraft-free-app_GM479516143.pdfIn PDF document text
    • http://peche-madagascar.com/images/tiktok-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://peche-madagascar.com/images/minecraft-account-hacked_GM479516143.pdfIn PDF document text
    • http://peche-madagascar.com/images/minecraft-free-unblocked_GM479516143.pdfIn PDF document text
    • http://peche-madagascar.com/images/get-free-tiktok-likes_GM835599320.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002909.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2909 22516 bytes
SHA-256: 4d65f8f1086aab622830e2306e21999a0e73ec4e9fd3fcdbcb028e4996a28b2f
font_01_sfnt_off00005b60.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B60 18200 bytes
SHA-256: ddd37c3b2fa686acce6c2a3c2ceddf9a56a39c36e5e1dfb8773daba355b1b632

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