Malicious PDF — malware analysis report

Static analysis result for SHA-256 3eceeb5f27a4ebbd…

MALICIOUS

PDF

46.7 KB Created: 2021-05-14 06:09:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f35c695d223382c3f0f6bdfb3866c129 SHA-1: 1c369dddfadadede0e38cf5121c787a90d74d020 SHA-256: 3eceeb5f27a4ebbda075b577ea2ff02108d32f02317384426ef5533df01f2619
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to known malicious redirectors, disguised as 'free generators' or 'game hacks'. The document body and embedded URLs suggest a lure for popular mobile games, aiming to redirect users to potentially harmful websites. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

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/free-links-for-coin-master-2021-game-hack In PDF document text
    • http://rlsaluminios.com.pt/images/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/coin-master-hack-tool-2021_GM406889139.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/free-coin-master-spins-hack_GM406889139.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/free-spins-coin-master-links-2021_GM406889139.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/coin-master-hack-1021_GM406889139.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/coin-master-tiradas-gratis-2021_GM406889139.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/get-me-robux-for-free_GM431946152.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/robux-com-roblox_GM431946152.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/roblox-gift-card-online-free_GM431946152.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/free-roblox-hack-us_GM431946152.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/free-robux-com-roblox_GM431946152.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/free-coin-master-spins-2021-link_GM406889139.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/free-robux-easy-and-fast_GM431946152.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/coin-master-free-spin-daily-link_GM406889139.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/free-download-coin-master_GM406889139.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/apps-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://rlsaluminios.com.pt/images/roblox-hacks-and-cheats_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004af7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AF7 27380 bytes
SHA-256: dcc527505ce3d627af478f7b176ef42a19c6a417e64dcb4febc47b4d6e39f5a1
font_01_sfnt_off000089a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89A8 2944 bytes
SHA-256: fcfcd28869b8d6c7503d63ed8d48371ec5b580fea2733193e2acbb82b3d30a76
font_02_sfnt_off000093d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x93D3 18284 bytes
SHA-256: a2acd8bf1a51d4e254a7633d59ee55714bf8557f87202f8b12d552e9cd1876aa

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