Malicious PDF — malware analysis report

Static analysis result for SHA-256 54507e005a1048b2…

MALICIOUS

PDF

34.0 KB Created: 2021-07-07 08:01:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 139e7f65c2509f703ff61d3d3c610f9b SHA-1: aae5e88193934f4ee377e70694179e7195cd7686 SHA-256: 54507e005a1048b2576f07d7a839ae894c0f303dad917598edb2b69989d6b795
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors and lures users with promises of game hacks and free in-game currency. The primary link, http://netcdn.tw/app/479516143/best-free-minecraft-server-hosting-game-hack, is identified as a malicious redirector. The document's content and embedded URLs strongly suggest a phishing or scam attempt to trick users into downloading further malware or visiting malicious sites.

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.tw/app/479516143/best-free-minecraft-server-hosting-game-hack In PDF document text
    • http://www.eucorro.com/arquivos/files/coinmaster-rewards_GM406889139.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/ulgames-resources-free-robux_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/coin-master-game-hack-app_GM406889139.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/comment-avoir-des-truce-free-sur-roblox_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/free-robux-mod-roblox-2021-pc_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/roblox-com-catalog-free_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/coin-master-unlimited-spin-hack-apk_GM406889139.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/free-thing-sin-roblox_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/roblox-heroes-online_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/equillex-how-to-hack-into-any-roblox-account_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/free-minecraft-account-and-password_GM479516143.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/promo-codes-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/is-minecraft-free-on-computer_GM479516143.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/how-to-get-roblox-premium-for-free_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/coin-master-free-coins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/roblox-cheat-engine-framed-hack_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/how-to-get-robux-free-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/coin-master-hack-8-ball-pool_GM406889139.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/free-roblox-avatar_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/coin-master-free-spins-ios-app_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

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_off000030e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30E5 22144 bytes
SHA-256: 4806088180b84f9a51936e51e69deedbfae38fd2bd180cc257308a7bcdcce1cc
font_01_sfnt_off00006201.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6201 18328 bytes
SHA-256: 0b2d28431e5234c57104fb234e5f183f246f5a4819408a3d571d7ab08b18c1e5

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