Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c0da7fb25c12a8e…

MALICIOUS

PDF

42.1 KB Created: 2021-04-27 05:24:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 10a50bf2b1f77bfb0c56d29a5372a824 SHA-1: 25eccdb297520552ae364b8760cfe2dda01d3edd SHA-256: 8c0da7fb25c12a8ea83d808597afb75b655f5171e0285b48dbe92b81278c0bbc
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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/how-to-do-the-hack-in-lab-experiment-roblox-game-hack PDF link annotation
    • https://lib-stie.yai.ac.id/repository/free-robux-script-tampermonkey.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/como-hackear-cuentas-de-roblox.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-roblox-accounts-with-robux-generator.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/autoboss-roblox-free-robux-pastebin-2021.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-get-free-roblox-cards-no-surveys.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-robux-no-human-verification-2021-no-human.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/tutorial-hack-roblox-robux.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-cheat-in-roblox-2021.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-backdoor-hacking-roblox.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-join-players-that-arent-freind-hack-2021.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_off000043dd.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x43DD 25644 bytes
SHA-256: cf065d94552aa40ea8b33a8a5af6346c1009b6e116165fdb2d5e2d91f4fc94bd
font_01_sfnt_off00007fd6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FD6 19340 bytes
SHA-256: c53bc53e62eb0b323fc6443d1c30376b40e30b7b12856ec28bf8fd68509efd92

Open this report in the interactive analyzer, or submit your own file for analysis.