PDF static analysis report

Static analysis result for SHA-256 20f29530dce06dfc…

SUSPICIOUS

PDF

33.2 KB Created: 2021-07-21 07:40:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: f866862479d6fa55175acac4f0fadce8 SHA-1: dbe1c7e2f3ea5112d9acbdeff718d4f1348b7cd7 SHA-256: 20f29530dce06dfceeb17f6f40c1826a01a87e9336f6de858193bba97c288df0
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a call-to-action phrase, 'CLICK HERE TO ACCESS ROBUX GENERATOR', which strongly suggests a phishing or scam attempt. The primary URL, http://netcdn.tw/app/431946152/www-free-robux-game-hack, is likely the download location for a malicious payload. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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/www-free-robux-game-hack PDF link annotation
    • http://neumann.fr/images/minecraft-java-edition-redeem-code-free-2021_GM479516143.pdfIn PDF document text
    • http://neumann.fr/images/lazyblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://neumann.fr/images/roblox-jailbreak-hack_GM431946152.pdfIn PDF document text
    • http://neumann.fr/images/can-you-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://neumann.fr/images/free-online-minecraft-server_GM479516143.pdfIn PDF document text
    • http://neumann.fr/images/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
    • http://neumann.fr/images/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://neumann.fr/images/free-robux-link_GM431946152.pdfIn PDF document text
    • http://neumann.fr/images/coin-master-daily-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://neumann.fr/images/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
    • https://www.roblox.com/.IIn 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_off00002c77.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C77 22720 bytes
SHA-256: 5f948a9249af70a45463176718153bdce75267136f2b267ff805883c91c49eb1
font_01_sfnt_off00005eeb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EEB 18564 bytes
SHA-256: 1bc56fc1ea1b4c6cf7afcaf4fd73e644f360713311b6721916cbe79700e86d30

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