Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb9007a73b9c41d0…

MALICIOUS

PDF

41.8 KB Created: 2021-05-14 15:09:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 45584a93d111d279c60e53812fc82fd0 SHA-1: 26fd00ab84ad06888d8be39efe4f6c8a118f1a11 SHA-256: fb9007a73b9c41d025dec6677283086e2ae3ef03324dfbdf9d61cd19ae6130cc
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to known malicious redirectors and game hack lures, indicating a phishing or scam attempt. The ML classifier also flagged this PDF as malicious with high confidence. Although no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lures suggest an attempt to redirect users to malicious sites, likely for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/can-you-really-hack-coin-master-ios-game-hack In PDF document text
    • http://legs11.co.za/images/card-hack-for-coin-master_GM406889139.pdfIn PDF document text
    • http://legs11.co.za/images/whats-robux_GM431946152.pdfIn PDF document text
    • http://legs11.co.za/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://legs11.co.za/images/robux-free-promo-codes_GM431946152.pdfIn PDF document text
    • http://legs11.co.za/images/how-do-you-get-roblox-money_GM431946152.pdfIn PDF document text
    • http://legs11.co.za/images/minecraft-dungeons-download-free_GM479516143.pdfIn PDF document text
    • http://legs11.co.za/images/coin-master-free-link-daily_GM406889139.pdfIn PDF document text
    • http://legs11.co.za/images/no-human-verification-hack-for-coin-master_GM406889139.pdfIn PDF document text
    • http://legs11.co.za/images/how-do-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://legs11.co.za/images/classic-minecraft-net-hacks_GM479516143.pdfIn PDF document text
    • http://legs11.co.za/images/coin-master-hack-app_GM406889139.pdfIn PDF document text
    • http://legs11.co.za/images/1x1x1x1-roblox-id_GM431946152.pdfIn PDF document text
    • http://legs11.co.za/images/how-to-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://legs11.co.za/images/free-free-robux_GM431946152.pdfIn PDF document text
    • http://legs11.co.za/images/60-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://legs11.co.za/images/coin-master-free-spins-generator-no-verification_GM406889139.pdfIn PDF document text
    • http://legs11.co.za/images/can-you-get-robux-for-free_GM431946152.pdfIn PDF document text
    • http://legs11.co.za/images/codes-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://legs11.co.za/images/best-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • http://legs11.co.za/images/mobihack-roblox-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_off000047ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47AE 24908 bytes
SHA-256: 77b9039cb10a08f6e0c40b2af4064d50be1a76f84fdeba3b400b03ad2958d8e9
font_01_sfnt_off000080f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80F3 18272 bytes
SHA-256: d6dbfa26c4735c509ef21bc2fb5cbfc43e5651c474b450515f522a35f82f0c88

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