Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d0004e717897290…

MALICIOUS

PDF

45.0 KB Created: 2021-06-03 08:08:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: d32cfbaf858fa72945fb57c00d261925 SHA-1: 4800e67e56797a130333f8d21a8411e71e33ab15 SHA-256: 1d0004e71789729048ed508559c16b9cdbaf70c56e13ca035598794e84a2854b
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 0.9865

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.online/app/406889139/coin-master-free-spins-reddit-game-hack PDF link annotation
    • http://librarysenior.com//repository/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • http://librarysenior.com//repository/coin-master-free-gift-link-2021_GM406889139.pdfIn PDF document text
    • http://librarysenior.com//repository/coin-master-free-spins-2021-app_GM406889139.pdfIn PDF document text
    • http://librarysenior.com//repository/roblox-hacking-website_GM431946152.pdfIn PDF document text
    • http://librarysenior.com//repository/free-minecraft-capes_GM479516143.pdfIn PDF document text
    • http://librarysenior.com/repository/daily-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://librarysenior.com/repository/roblox-skins-boy-free_GM431946152.pdfIn PDF document text
    • http://librarysenior.com/repository/free-coin-and-spin-for-coin-master_GM406889139.pdfIn PDF document text
    • http://librarysenior.com//repository/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://librarysenior.com//repository/get-more-robux_GM431946152.pdfIn PDF document text
    • http://librarysenior.com//repository/how-to-become-a-hacker-in-roblox_GM431946152.pdfIn PDF document text
    • http://librarysenior.com/repository/coin-master-hack-2021-ios_GM406889139.pdfIn PDF document text
    • http://librarysenior.com/repository/google-play-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://librarysenior.com/repository/claimrbx-free-robux_GM431946152.pdfIn PDF document text
    • http://librarysenior.com//repository/free-spin-app-for-coin-master_GM406889139.pdfIn PDF document text
    • http://librarysenior.com//repository/hack-coin-master-for-android_GM406889139.pdfIn PDF document text
    • http://librarysenior.com//repository/roblox-hack-client_GM431946152.pdfIn PDF document text
    • http://librarysenior.com//repository/coin-master-free-spin-realme-products_GM406889139.pdfIn PDF document text
    • http://librarysenior.com/repository/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
    • http://librarysenior.com/repository/pokemon-go-hack-free-pokecoins_GM1094591345.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
stream_004_off000051af.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x51AF 25724 bytes
SHA-256: 00ac69010ba639fd5232afc7e78f9c324faf94238226014e72cbf5d35386478d
font_01_sfnt_off00008e17.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E17 18060 bytes
SHA-256: 4e5c9128e0a9fa60b92eedd1f31c2e3424560d9f599dff1a3da25a642fd73c7b

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