Malicious PDF — malware analysis report

Static analysis result for SHA-256 1169a0a9a2bf4b6b…

MALICIOUS

PDF

35.0 KB Created: 2021-07-04 07:55:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: a5137ed3899989c0c5cb92e66645cbeb SHA-1: 03a14964b1c6259c703c7f597eb51a1d1f0ba1fa SHA-256: 1169a0a9a2bf4b6b5cbe8469cc4e61a198d441ea214de5194e8de4dbab86ef32
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a high-risk heuristic indicating it links to a 'free generator / game hack' lure. The embedded URL, http://netcdn.tw/app/431946152/how-to-make-a-free-robux-generator-game-hack, is presented as a call-to-action within the document body. The primary purpose appears to be directing users to a potentially malicious website under the guise of offering game-related cheats or currency.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/431946152/how-to-make-a-free-robux-generator-game-hack PDF link annotation
    • http://fkunismuh.org/perpustakaan//repository/pubg-uc-new-freepik_GM1330123889.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/free-roblox-gift-card_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/coin-master-spins-free-2021_GM406889139.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/free-tiktok-fans-no-verification_GM835599320.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/coin-master-free-mighty-lion-card_GM406889139.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/free-spins-and-coins-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/robux-com-free_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/roblox-surf-hacks_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/ajc-tech-free-roblox_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/roblox-auto-clicker-free_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/roblox-hack-dll-download_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/bad-business-roblox-cheats_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/real-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/coin-master-hack-no-human-verification-2021_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/free-robux-stream_GM431946152.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
font_00_sfnt_off00003099.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3099 22588 bytes
SHA-256: ea7ccc876725c317fc0ce56738cfd9f832b1f884e092a19df86e48e8339a06f2
font_01_sfnt_off0000637d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x637D 19164 bytes
SHA-256: d74b6c56c4de0383c64671ed0cef8eae2389c263d57c42fbc84c1c8f41579427

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