Malicious PDF — malware analysis report

Static analysis result for SHA-256 7792f7b5a0db242d…

MALICIOUS

PDF

44.6 KB Created: 2021-04-27 05:23:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 1697db55ea89e756549d7c6d3e100c8c SHA-1: 7f26857e78091633432ec702c64e30a870ba2966 SHA-256: 7792f7b5a0db242d4aa05a108b5f0477fecabf9ba18237daaf4e5c0369f36ed6
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a lure for a "free generator / game hack" which redirects to the URL https://netcdn.xyz/app/431946152/izuku-midoriya-roblox-free-schop-game-hack. The document body also contains numerous other URLs pointing to alleged Roblox-related hacks and generators, suggesting a phishing or scam attempt. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of malicious intent, likely to lead the user to a malicious website.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9863

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/izuku-midoriya-roblox-free-schop-game-hack PDF link annotation
    • http://www.saburai.ac.id/elibrary//repository/free-roblox-video.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/robux-hack-without-verification-or-survey.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/moon-tycoon-roblox-gives-free-robux.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/redeem-promo-codes-for-free-robux.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/hats-roblox-free.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-get-free-robux-in-roblox-iphone.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-play-a-game-that-cost-robux-free.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/cool-tshirts-for-roblox-free.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-hack-de-dragon-ball-rage.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-hack-account-real.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000043ea.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x43EA 25732 bytes
SHA-256: f64b469089a54792eca5553bf2316adb9c21cf07d0b7b33aad33c229b2ce9881
font_01_sfnt_off00007ee4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EE4 2832 bytes
SHA-256: 77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2
font_02_sfnt_off00008894.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8894 19580 bytes
SHA-256: 972c948b3853ff8bc6e7b079670abdb2cbd8060ad0c70723e273b26db54532e7

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