PDF static analysis report

Static analysis result for SHA-256 7b3ce00f0822c21f…

SUSPICIOUS

PDF

40.6 KB Created: 2021-05-02 09:46:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 69c94b437aa37f28bc2f1854b4df53d7 SHA-1: 4e8e23a0417db909e69381cfd589788efa443276 SHA-256: 7b3ce00f0822c21fc4f3851d8ae67d83c6cc0b6806320cdd1b7b31d86bbe7264
50 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URI and multiple other URLs that promise free Robux or game hacks, indicating a lure for users. The ML classifier strongly flagged this PDF as malicious, supporting the assessment that it is designed to trick users into visiting potentially harmful sites or downloading further malware. No scripts were extracted, but the presence of external links and the ML detection are strong indicators of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

Heuristics 4

  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/431946152/is-free-robux-illegal-game-hack PDF link annotation
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/roblox-tower-defence-hacks.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/hack-speed-roblox.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/cheats-to-get-roblox-money.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/aimbot-for-roblox-free-for-all.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/how-to-buy-roblox-for-free-on-windows-10.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/bloodborne-roblox-hack.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/hacks-roblox-infinite-jump.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/free-robux-on-pc.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/how-to-hack-roblox-safe-way.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/roblox-hack-no-offers-2021.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
stream_003_off00003f71.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3F71 26696 bytes
SHA-256: 62407a581692a7b968747b131a6fabb7caad6318b979884c8f4591a9a8208eaa
font_01_sfnt_off00007bf1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BF1 18604 bytes
SHA-256: 4a34b899f9a88f14d3cf7d209592f1150ff0662e53314c300535a97dec1869d6

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