PDF static analysis report

Static analysis result for SHA-256 51467816f9ba00d0…

SUSPICIOUS

PDF

41.8 KB Created: 2021-04-30 00:45:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 9b1fd4335c770d623134a893121360a1 SHA-1: 38e1deea54ea95a2f2e6c504d39903bb81f6b3e1 SHA-256: 51467816f9ba00d072cf8566e6048d6d8cca523697b61ade77c64bfed848d1b0
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are hosted on suspicious domains and offer game hacks. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URIs and a visual download lure suggests an attempt to trick the user into downloading a secondary payload. No scripts were extracted, but the overall structure and content point to a phishing or malware distribution attempt.

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/discord-roblox-hack-server-game-hack PDF link annotation
    • https://guiasderonda.es/ckfinder/userfiles/files/how-to-get-free-items-on-roblox-2021-working.pdfIn PDF document text
    • https://guiasderonda.es/ckfinder/userfiles/files/roblox-create-free-vip-servers-scripting.pdfIn PDF document text
    • https://guiasderonda.es/ckfinder/userfiles/files/i-robux-hack.pdfIn PDF document text
    • https://guiasderonda.es/ckfinder/userfiles/files/free-robux-games-that-work-2021.pdfIn PDF document text
    • https://guiasderonda.es/ckfinder/userfiles/files/how-to-hack-a-game-server-on-roblox.pdfIn PDF document text
    • https://guiasderonda.es/ckfinder/userfiles/files/rc7-roblox-download-free-mac.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/roblox-console-hack-pastebin.pdfIn PDF document text
    • https://guiasderonda.es/ckfinder/userfiles/files/game-like-roblox-free.pdfIn PDF document text
    • https://guiasderonda.es/ckfinder/userfiles/files/roblox-tree-planting-simulator-hacks-pastebin.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_off00004253.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4253 26920 bytes
SHA-256: a9d9587adbb2d0e0fe7d7ff558458f986174191a94899be01fec9c70d33c49a5
font_01_sfnt_off00007ff7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FF7 18760 bytes
SHA-256: 03d810d1d14457baa69fe33e11e98cc98cb6bfed4dee7084d4ef251174422883

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