Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d86110886397c40…

MALICIOUS

PDF

47.4 KB Created: 2021-04-27 10:30:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: a35a1187a04e755f001b3863d02c1387 SHA-1: bea543a954a77059b1bb6b21568a9d0275a8bd13 SHA-256: 9d86110886397c40b42189e5cb03f883488a79f46dce0f0646e911b1186c571a
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document employs a lure related to 'Roblox Hack Prision Life 2021' to entice users into clicking a malicious URL. The document also contains instructions suggesting a password-protected archive, a common tactic to evade security scanning. The primary malicious URL identified is https://netcdn.xyz/app/431946152/roblox-hack-prision-life-2021-game-hack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

Heuristics 5

  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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/roblox-hack-prision-life-2021-game-hack PDF link annotation
    • http://www.saburai.ac.id/elibrary//repository/how-to-hack-in-to-builder-mans-acount-roblox.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-rich-roblox-accounts-2021.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-robux-promo-codes-september-2021.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-get-doge-head-on-roblox-for-free.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-hack-999999-robux-movil.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/cheat-to-win-obby-roblox-yt.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-obby-gives-you-free-robux-july-no-password-2021.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-cheat-engine-wall-hack.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-get-free-faces-on-roblox-2021.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-robux-promo-cides.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_off00004244.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4244 38768 bytes
SHA-256: e788c48af05a767e90c458d53f4e7ffaa21fe393632f6109a7c353465feb51a8
font_01_sfnt_off00009647.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9647 18856 bytes
SHA-256: 9effb298e66127d4551ac07ce18995df265a401c506852af794d249c2403c057

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