Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c6eacdfa68c30ee…

MALICIOUS

PDF

41.9 KB Created: 2021-05-12 18:38:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9de3d7555110af3398a37493beae7bdb SHA-1: edfeadffbb3a8ef298c6f781248e1bef6c1b28ae SHA-256: 9c6eacdfa68c30ee50d152b62280f26366defebec1584d1a21b39c36828f0549
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a game hack lure to trick users into clicking malicious links. The primary link directs to known malicious redirector infrastructure, which likely serves as a gateway to further malicious content or downloads. The document body and embedded URLs reinforce this theme by referencing popular games and "hack" tools.

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/play-coin-master-online-free-game-hack In PDF document text
    • http://autoskola-scp.com/files/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • http://autoskola-scp.com/files/roblox-gift-card-online-free_GM431946152.pdfIn PDF document text
    • http://autoskola-scp.com/files/coin-master-card-collection-link_GM406889139.pdfIn PDF document text
    • http://autoskola-scp.com/files/tiradas-coin-master_GM406889139.pdfIn PDF document text
    • http://autoskola-scp.com/files/how-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://autoskola-scp.com/files/best-free-robux-sites_GM431946152.pdfIn PDF document text
    • http://autoskola-scp.com/files/coin-master-free-gifts_GM406889139.pdfIn PDF document text
    • http://autoskola-scp.com/files/coin-master-hack-progamers_GM406889139.pdfIn PDF document text
    • http://autoskola-scp.com/files/how-to-hack-coin-master-pc_GM406889139.pdfIn PDF document text
    • http://autoskola-scp.com/files/minecraft-tower-defense-2-hacked_GM479516143.pdfIn PDF document text
    • http://autoskola-scp.com/files/minecraft-hacks-pc_GM479516143.pdfIn PDF document text
    • http://autoskola-scp.com/files/coin-master-event-hack_GM406889139.pdfIn PDF document text
    • http://autoskola-scp.com/files/coin-master-2021_GM406889139.pdfIn PDF document text
    • http://autoskola-scp.com/files/how-to-get-1-million-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://autoskola-scp.com/files/how-to-make-a-minecraft-server-for-free-java_GM479516143.pdfIn PDF document text
    • http://autoskola-scp.com/files/rblx-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://autoskola-scp.com/files/coin-master-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • http://autoskola-scp.com/files/roblox-jailbreak-hack_GM431946152.pdfIn PDF document text
    • http://autoskola-scp.com/files/free-coin-master-cheats_GM406889139.pdfIn PDF document text
    • http://autoskola-scp.com/files/minecraft-java-code-free_GM479516143.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_off00004a78.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A78 24276 bytes
SHA-256: ff4b9a030fa18a977c306f6890680385f95ffb5f4c42e3629c7c56a4e236eae2
font_01_sfnt_off0000820f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x820F 18116 bytes
SHA-256: 75e6da456e5777836686d8f4e9fdcb9a5e34bbb59f632c942c20d619e2f7343d

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