Malicious PDF — malware analysis report

Static analysis result for SHA-256 1be2ec8c64c0d930…

MALICIOUS

PDF

41.3 KB Created: 2021-05-03 16:36:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: e173e700a9404e4808fd834f2d41c774 SHA-1: 0b79aa4ed8758ed32b02b9a53b48b0d5e9e4c6e7 SHA-256: 1be2ec8c64c0d930a680a86665c6d929140728d24d47844f89c489cd34a38516
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and a call-to-action button, all directing users towards "Roblox hacks" or "generators". The primary URL, https://netcdn.xyz/app/431946152/www-roblox-hack-me-game-hack, is flagged as a lure for game hacks. While no scripts were explicitly extracted, the PDF structure and embedded links suggest a social engineering tactic to redirect users to potentially malicious websites, likely for credential harvesting or malware delivery.

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/www-roblox-hack-me-game-hack PDF link annotation
    • https://lib-stie.yai.ac.id/repository/roblox-guest-666-shirt-free.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/working-free-robux-hacks.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-robux-2021-october.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-one-piece-legendary-mellee-hacks.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/mascara-de-hacker-en-roblox.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-get-wings-for-free-on-roblox.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-hack-roblox-jailbreak-btools.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/app-store-games-free-download-roblox.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-models-rides-roblox.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/noclip-roblox-cheat.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_off0000407b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x407B 26760 bytes
SHA-256: 58d084d2b136acac87fb35ba6468f6552f014f187b47d2166144daf57189adc5
font_01_sfnt_off00007e2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E2A 18740 bytes
SHA-256: b3b95a2b9ca67a541eca14aac24a6a7c31075fe7b80cf8ca3f6b21696cde4594

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