PDF static analysis report

Static analysis result for SHA-256 951a0768ecadce31…

SUSPICIOUS

PDF

43.2 KB Created: 2021-04-29 03:04:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 73520b2f7e5e73cca1513305b895f7b0 SHA-1: cffddf06007f6a5b8dad14f7343c7caf0aa4b407 SHA-256: 951a0768ecadce31ed249f0a4a979084a59f37c954569eddf36d22c37e120e0e
50 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links and calls to action related to 'Roblox hacks' and 'free Robux', strongly suggesting a lure for malicious downloads. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were directly extracted, the embedded links point to potentially malicious content, likely a downloader or exploit.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9868

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/kat-hacks-roblox-game-hack PDF link annotation
    • https://guiasderonda.es/ckfinder/userfiles/files/roblox-game-download-hacks-studio-login-guide-unofficial.pdfIn PDF document text
    • https://guiasderonda.es/ckfinder/userfiles/files/roblox-best-hack-for-jailbreak.pdfIn PDF document text
    • https://guiasderonda.es/ckfinder/userfiles/files/free-robux-codes-no-survey-2021-october.pdfIn PDF document text
    • https://guiasderonda.es/ckfinder/userfiles/files/free-roblox-battle-royale.pdfIn PDF document text
    • https://guiasderonda.es/ckfinder/userfiles/files/notoriety-roblox-loot-bag-cheat.pdfIn PDF document text
    • https://guiasderonda.es/ckfinder/userfiles/files/what-do-you-do-if-you-get-hacked-on-roblox.pdfIn PDF document text
    • https://guiasderonda.es/ckfinder/userfiles/files/how-to-get-free-roblox-codes-for-robux-codes-2021.pdfIn PDF document text
    • https://guiasderonda.es/ckfinder/userfiles/files/funny-roblox-outfits-and-free-outfits.pdfIn PDF document text
    • https://guiasderonda.es/ckfinder/userfiles/files/programas-para-hackear-roblox.pdfIn PDF document text
    • https://guiasderonda.es/ckfinder/userfiles/files/free-robux-without-installing-anything.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_off000040be.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x40BE 26420 bytes
SHA-256: 8661e17fb8a97c583537fea97cfa630bc75722888b4d8623fb2a3bdf503f9f2f
font_01_sfnt_off00007cda.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CDA 2832 bytes
SHA-256: 77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2
font_02_sfnt_off0000868b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x868B 18284 bytes
SHA-256: e50cdb281527559b77daacd1066aabd40523a74f5bd4485246aa2decfe9e52db

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