PDF static analysis report

Static analysis result for SHA-256 98230386cdedcd4a…

SUSPICIOUS

PDF

30.8 KB Created: 2021-07-19 01:16:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 7ab6d7b03e0efc4d980d32937dbd29bf SHA-1: 5b36dc00d1a700b4d9a60681fb0ac210757ffcbe SHA-256: 98230386cdedcd4a3a2c1617bdd48b8d54371c6a5e2672938bf4ddef52233726
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a visual lure for a "Free Robux Gift Card", strongly suggesting a phishing or scam attempt. The ML classifier also flagged the PDF as malicious. The primary malicious URL identified is http://netcdn.tw/app/431946152/free-robux-gift-card-game-hack, which likely hosts a secondary payload or redirects to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9376

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/free-robux-gift-card-game-hack PDF link annotation
    • https://newenglandafs.com/images/minecraft-login-free_GM479516143.pdfIn PDF document text
    • https://newenglandafs.com/images/minecraft-free-download-chromebook_GM479516143.pdfIn PDF document text
    • https://newenglandafs.com/images/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
    • https://newenglandafs.com/images/roblox-hack-client_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/huskybuscom-free-robux_GM431946152.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_off000024b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x24B0 21808 bytes
SHA-256: aa6c74f886a27668c26c67a0081d5f38d36f78d2fe48036bc83fd1cf14b67a10
font_01_sfnt_off000054d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x54D6 18828 bytes
SHA-256: 78729c347068b784f89b4da62ceff6cf500daa770e236d6afa4f890492c0d67e

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