Malicious PDF — malware analysis report

Static analysis result for SHA-256 9fe24eac162ae88a…

MALICIOUS

PDF

33.0 KB Created: 2021-07-07 23:46:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: f143651ab9d3e92afb71fdb856c1f78f SHA-1: 26264bd56b7be5de0ef99732be9ea943615e8033 SHA-256: 9fe24eac162ae88ab4b4f27deb0c72e08eaa7ef36fc5411f0920cb9959b54030
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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-get-free-gamepasses-on-roblox-game-hack PDF link annotation
    • http://stitqi.ac.id/website/repository/coin-master-ios-hack_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/how-to-hack-coin-master-ios-2021_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/roblox-hack-scripts-pastebin_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/free-coin-master-spins-hack_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/roblox-studio-free-download_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/tiktok-free-3d_GM835599320.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/free-disney-plus-accounts-tiktok_GM835599320.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/coin-master-in-app-purchase-hack_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/60-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/coin-master-free-spins-daily-link-updated_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/how-to-get-free-robux-fast_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/v3rmillion-roblox-admin-hack_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/pokemon-go-free-levels_GM1094591345.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/free-robux-kid-friendly_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/how-to-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/hackear-coin-master-sin-verificacion_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/get-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/roblox-piano-hack_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_off00002ad3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD3 21904 bytes
SHA-256: 5d3597f578cbb9f9b8c3dccb7f1c55384acce398bca42fc96608eb456862bae9
font_01_sfnt_off00005b24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B24 19356 bytes
SHA-256: c4896df15a0e6a62920d63d504b7f77c5e25ec731e2dd301a46ee6934e748c38

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