PDF static analysis report

Static analysis result for SHA-256 517aa850afcc9d2b…

SUSPICIOUS

PDF

41.2 KB Created: 2021-04-25 09:13:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 45015a8ba24097ac2560d2dc7638ff49 SHA-1: bd5016d9614c5692407e4d9e82f81331d3c46b1d SHA-256: 517aa850afcc9d2b9d9df48476376488627f2e348c7e5cbbec7a86717d851f91
50 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and references to game-related cheats and free items, suggesting a lure to download malicious content. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of external URIs and the document's content indicate a phishing or malware distribution attempt.

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/how-to-use-cheat-engine-on-roblox-2021-august-game-hack PDF link annotation
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/roblox-gift-card-code-free-legit.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/roblox-shirts-for-free.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/how-to-hack-gir-on-roblox.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/granny-roblox-free-download.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/youtube-free-roblox.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/free-roblox-private-servers.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/code-to-put-into-console-to-get-free-robux.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/roblox-redeem-card-codes-free-2021.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/roblox-hack-scrip.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/how-to-get-free-robux-on-easyrobux-today.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_off00004008.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4008 25380 bytes
SHA-256: 9751e01e0c0438af0ca2da118f65df9bd083170d61edf9f6e6207bcf240ed429
font_01_sfnt_off00007b46.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B46 19580 bytes
SHA-256: e6a145ed6dd7f5c2db16c9b45be79d9c26265cbf46565f717f3d445381f1dcc7

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