Malicious PDF — malware analysis report

Static analysis result for SHA-256 00f2afb6a9198ea7…

MALICIOUS

PDF

22.2 KB Created: 2021-07-04 00:18:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 749beae7f7553203ce810b1773f65f42 SHA-1: e1603d9e67a53b3410bf7f00fea8fe0ce636794c SHA-256: 00f2afb6a9198ea7af7d0f090e042de9593deb64e281e570d81a0a1dd28bdc6b
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. It uses a password-protected-archive lure. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9978

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.
  • 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
  • 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/free-robux-redeem-codes-game-hack PDF link annotation
    • https://elibrary.sttar.ac.id/repository/roblox-arcane-adventures-cheats_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/minecraft-free-download-android_GM479516143.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/how-to-get-minecraft-bedrock-edition-on-pc-for-free_GM479516143.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/how-to-hack-robux-simulator_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/hackear-contraseas-de-roblox_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/free-robux-picture_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/minecraft-classic-free_GM479516143.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/coin-master-free-spins-link-iphone_GM406889139.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/free-code-for-roblox-december-2021_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/how-to-buy-free-robux-for-money_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/robux-free-fr_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/minecraft-windows-10-hacked-client_GM479516143.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/games-that-give-you-free-stuff-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/comoobtener-robux-usando-cheat-engine_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/how-to-play-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/cheat-engine-62-roblox-mac_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/roblox-bit-slicer-fly-hack_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/como-volar-en-roblox-sin-hacks_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/how-do-you-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/free-robux-hack-us-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002d45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D45 22232 bytes
SHA-256: 548b3cb7b3a62e220396e5f24bb13f884a7bfb3ccdc1e03f0d2779456ac20858

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