Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ff7815322bc7aeb…

MALICIOUS

PDF

35.2 KB Created: 2021-07-06 01:10:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 2b1e7f7b4daac90fe9663a0f18e7efbd SHA-1: 727afde321bae123450510388f4236f5d86ef4a3 SHA-256: 7ff7815322bc7aeb100e339046f9fbc7a31e32c0815d3423133ecdb25259a17d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a high-confidence heuristic indicating it links to a 'free generator / game hack' redirector. The document body and embedded URLs reinforce this by mentioning game hacks and free generators. This suggests the primary goal is to trick the user into visiting a malicious URL, likely for malware distribution or phishing.

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/479516143/free-online-games-like-minecraft-game-hack PDF link annotation
    • https://perpustakaan.stiq-amuntai.ac.id/repository/cheat-pour-roblox_GM431946152.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/roblox-free-robux-promo-codes-2021_GM431946152.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/roblox-mad-city-cheat_GM431946152.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/how-to-script-on-roblox-hack_GM431946152.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/how-to-save-in-free-draw-2-on-roblox_GM431946152.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/free-robux-claimrbx_GM431946152.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/how-to-hack-roblox-in-3-steps_GM431946152.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/free-robux-scams_GM431946152.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/tips-and-hints-to-get-robux-for-free-hack_GM431946152.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/free-coin-and-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/credit-card-hacked-from-roblox_GM431946152.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/wallbanck-hack-roblox_GM431946152.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/roblox-generator-2021-hack_GM431946152.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/free-robux-no-verification-no-download_GM431946152.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/cheat-buddy-roblox-scripts_GM431946152.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/body-roblox_GM431946152.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/coin-master-free-daily-spins-today_GM406889139.pdfIn PDF document text
    • https://perpustakaan.stiq-amuntai.ac.id/repository/coin-master-hack-pc-free_GM406889139.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_off00003487.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3487 22536 bytes
SHA-256: caf5563460c223399f6cfa1c990d0c64483a740e70f27c45b4a7b6b916999d4d
font_01_sfnt_off000066e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66E0 18360 bytes
SHA-256: 12edbdb7e5e8eae93a28056102ef5b2f042e925c05f1aad9c56af9a659e3286a

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