Malicious PDF — malware analysis report

Static analysis result for SHA-256 63da697507b25dc5…

MALICIOUS

PDF

34.8 KB Created: 2021-06-27 00:01:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 14fbbb07e52a17cb61a301a962701e0f SHA-1: f6f28b8ddba4d69c305b5d324d461a365a130695 SHA-256: 63da697507b25dc593b704117b517e2cdbe1738bdaa2af5324712023e6a0310d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to external websites, including a known malicious redirector at http://netcdn.co/app/431946152/roblox-dll-injector-hack-game-hack. The document body and heuristics indicate a lure for game hacks and in-game currency, likely leading to a malware download. No scripts were extracted from this sample, but the embedded URLs and the nature of the lure strongly suggest a malicious intent to trick users into downloading a payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/roblox-dll-injector-hack-game-hack In PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/give-me-free-robux_GM431946152.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/free-roblox-dominus_GM431946152.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/deineschuber-free-robux_GM431946152.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/free-spins-coin-master-app-iphone_GM406889139.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/new-dtfb-test-server-roblox-hack_GM431946152.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/how-to-download-minecraft-for-free-on-windows-10_GM479516143.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/roblox36com-free-robux_GM431946152.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/are-there-any-coin-master-hacks-that-actually-work_GM406889139.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/roblox-hack-scripts-pastebin_GM431946152.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/coin-master-free-mighty-lion-card_GM406889139.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/robuxmatch-com-free-robux_GM431946152.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/amazon-free-robux_GM431946152.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/roblox-fly-hack_GM431946152.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/tiktok-free-folowers-4tiktok-site_GM835599320.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/pubg-uc-iraq_GM1330123889.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/real-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/robux-in_GM431946152.pdfIn PDF document text
    • https://www.goldeneye-group.com/uploaded_files/userfiles/files/get-free-cards-coin-master_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000314a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x314A 22224 bytes
SHA-256: 2d89acb9e77102a234609e08ffe32114d1999b18bcea0b5ae8bb10ef9907b660
font_01_sfnt_off0000629e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x629E 19116 bytes
SHA-256: eefd4db8304e2b0c2cda661fbbaf9859ef2ecd1ce728fcd3a8e50c4d2147e50c

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