PDF static analysis report

Static analysis result for SHA-256 582c74a9b6b0f9bb…

SUSPICIOUS

PDF

40.8 KB Created: 2021-04-27 23:43:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: f620c70800ec9a6212675b8c042500b4 SHA-1: e56cf313b06f2e47a9d4d91515637d7f0e4bec17 SHA-256: 582c74a9b6b0f9bbeccc05a0dd83512eca5ad1a7d2c7e6c463b3f9bfd9210691
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple embedded URLs and a prominent external URI pointing to a download site, disguised as a lure for Roblox-related content. The ML classifier strongly flagged this PDF as malicious, and the presence of download-related text suggests a social engineering attempt to trick the user into downloading a payload. No scripts were extracted, but the overall structure and external links indicate a downloader or exploit delivery mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

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/youtube-free-roblox-game-hack PDF link annotation
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-free-player-points.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/hacker-texting-simulator-simulator-roblox-code.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-roblox-promo-codes-november-2021.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-roblox-coes.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-roblox-to-play-right-now.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/open-rewards-free-robux.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/best-roblox-robux-hack.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-get-girl-hair-on-roblox-for-free.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/nexus-hacking-roblox.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-hack-gear-in-the-roblox-catalog.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_off000040fc.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x40FC 26304 bytes
SHA-256: 30cada2e5d7e20f9e9073a49a06cd65ef2e8116abde25479cecc66985089ae1c
font_01_sfnt_off00007da6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DA6 18356 bytes
SHA-256: ffbad32173b32cc4594fd33841e8c9e5ec126a10145e5a6c045a3d4a0eec64d4

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