PDF static analysis report

Static analysis result for SHA-256 3f001ccc94ec73dd…

SUSPICIOUS

PDF

43.5 KB Created: 2021-04-30 06:43:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c164999f4723e2f1190440045aeb0c70 SHA-1: 798556f4e4f822ebbdb42f158eedc7d5a658d6ce SHA-256: 3f001ccc94ec73dd9425605811b9d73e2462a0f2b94b92427445e8f1c72b1fd8
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a call-to-action phrase, strongly suggesting a social engineering lure for downloading a malicious payload. The ML classifier also flagged this PDF as malicious with high confidence. The document body and extracted URLs indicate a theme of Roblox hacks and generators, a common pretext for distributing malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9868

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 https://netcdn.xyz/app/431946152/hack-jailbreak-roblox-2021-menu-game-hack PDF link annotation
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/how-to-download-roblox-corruption-hack.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/one-punch-man-roblox-hack.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/how-2-get-free-robux-for-free.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/how-to-hack-your-friends-roblox-account-2021.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/free-roblox-blue-hats.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/what-is-the-app-to-get-free-robux.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/phantom-forces-roblox-cheat-codes.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/free-draw-game-roblox.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/how-to-get-free-robux-in-roblox-no-hacks-2021.pdfIn PDF document text
    • http://www.nlcitychurch.org.hk/upload/userfiles/files/free-202120212021202199-robux.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004093.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4093 25444 bytes
SHA-256: 829a015ae1be7d88a3f33614c779aedab8cfcb7c541c36d22dc8df9f05d78d17
font_01_sfnt_off00007b79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B79 2832 bytes
SHA-256: 77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2
font_02_sfnt_off0000852a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x852A 19204 bytes
SHA-256: 895ddf84d325d4038933c9930899c4dd4b4cb36cc1613e8d9eeb8981791a3ae0

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