Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0701d8b85a219f6…

MALICIOUS

PDF

41.1 KB Created: 2021-04-30 13:21:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: a93e9b39a30ecf2028e66e9926800013 SHA-1: 95b56a2c92e51c6e0bf956c7ce7bc5ff97530433 SHA-256: d0701d8b85a219f624b581813482f035c80b0a0196f72039cc68ec3452e23177
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and a call-to-action button that direct users to websites offering game hacks and generators, specifically for Roblox. The ML classifier strongly flagged this PDF as malicious, and the heuristics indicate it's a lure for game hacks. While no scripts were directly extracted, the nature of the links suggests a phishing or scam attempt to trick users into visiting potentially malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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/delta-roblox-hacking-tool-game-hack PDF link annotation
    • https://lib-stie.yai.ac.id/repository/roblox-adopt-me-hack.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/dev-hacks-roblox.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/nuevos-hacks-de-roblox-2021.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-anime-t-shirt-roblox-adidas.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-bread-t-shirt-for-roblox.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/kazok-roblox-hack-script.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-loop-jump-on-roblox-cheat-engine.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-auto-clicker-roblox-mac.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-roblox-banned-accounts.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/hack-roblox-servers.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000401a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x401A 26620 bytes
SHA-256: 44fa1cc9811971d5a329d8c5339c9a40c9a02a2d9da18de4bc372e67dc0375a0
font_01_sfnt_off00007cdb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CDB 18864 bytes
SHA-256: 11479a3438103ff89877035dbd33405f02baf24758a0ee1e0274d692dfcca239

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