Malicious PDF — malware analysis report

Static analysis result for SHA-256 7eaae6792f1276ba…

MALICIOUS

PDF

42.8 KB Created: 2021-05-18 02:43:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: c6f7c633d149871c2fccb8f548ac1018 SHA-1: 60cabfcfb19628570a2e0de2b8ccc0aa934f3d32 SHA-256: 7eaae6792f1276baa7a816d52243f7d32ebe2f6d6f3f1736d00460b8e3f33203
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to external websites, many of which are disguised as game-related resources like 'free generators' or 'hacks'. The primary link, 'https://netcdn.xyz/app/406889139/juego-hackeado-de-coin-master-game-hack', strongly suggests a lure for potentially malicious content. While no scripts were explicitly extracted, the PDF structure and embedded links indicate an attempt to redirect users to malicious sites, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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.xyz/app/406889139/juego-hackeado-de-coin-master-game-hack PDF link annotation
    • http://reggieslockandkey.com/images/free-roblox-templates_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-minecraft-addons_GM479516143.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-robux-gift-card-generator_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/how-to-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/coin-master-heaven-free-spins-link_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/get-more-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/minecraft-pe-hack-client_GM479516143.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-robux-hack-generator_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/how-to-get-free-robux-by-playing-games_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/roblox-script-hacks_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/robux-website_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/uprobuxcom-free-robux_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-hack-tool-v1-9-download-free-pc_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/hack-coin-master-apk-mod_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/minecraft-free-apk-download-016-0_GM479516143.pdfIn PDF document text
    • http://reggieslockandkey.com/images/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/how-to-get-free-coins-in-coin-master-game_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
stream_003_off00004b7d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B7D 24596 bytes
SHA-256: 9417a509b35a3f7da09d19f58c958ba1d8452755b5b81fed0991afffcb526185
font_01_sfnt_off000083eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83EB 18652 bytes
SHA-256: e8c9da89df0fd7ae09b27778bbdced4cbf3d472d54c646d402828623a8476954

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