PDF static analysis report

Static analysis result for SHA-256 b2562d427beed723…

SUSPICIOUS

PDF

40.3 KB Created: 2021-04-29 01:14:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 5731de020a31d23d9ea8307a6e357afd SHA-1: 5cfa1a12ec83837869fe91a217c973529b6144ec SHA-256: b2562d427beed723658ba0ad884b8b7d3b19c73294d20049cecf0c098c34162a
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs and a heuristic firing for PDF_URI, indicating an attempt to redirect the user to external content. The ML classifier also flagged the PDF as malicious with high confidence. The document body, though heavily obfuscated, contains references to "roblox hacks" and "free robux", suggesting a lure for users seeking cheats or in-game currency. The presence of embedded URLs and the ML classification strongly suggest this PDF is designed to lead users to malicious sites.

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/www.roblox-hacks-free.tk-game-hack PDF link annotation
    • https://lib.stie-yai.ac.id/repository/como-conseguir-robux-gratis-2021-real-sin-hacks.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/how-to-hack-roblox-games-with-no-downloads.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/dungeon-quest-hacks-download-roblox.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/roblox-free-svg.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/300-free-robux.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/hacking-game-roblox.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/2021-free-robux-hacks.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/free-ez-hacks-for-roblox-robucks.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/free-10-codes-for-roblox-no-human-verification.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/roblox-streets-of-bloxwood-remastered-hack.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_off00003f7c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3F7C 25780 bytes
SHA-256: e0bc458150638cece3a8ebfe965caaa938a3f472354d2a386fa443860618ad27
font_01_sfnt_off00007a13.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A13 18876 bytes
SHA-256: ddae89535218e9f1871cc02db48dc135bd1e1edfa0c7ba9ee3aed69325ce3508

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