Malicious PDF — malware analysis report

Static analysis result for SHA-256 25983c7b649839ba…

MALICIOUS

PDF

42.7 KB Created: 2021-05-11 03:13:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d72d7e2952eaa6c764b38e97a0bd21d2 SHA-1: d66481e5ea0e1afa4789efa708150f2c69e0b3f2 SHA-256: 25983c7b649839ba1b4018719a7dfa4949d9cb69d87b2e63f26f028c7c96a19d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a common lure of game hacks and free in-game currency to entice users. It contains multiple embedded URLs, including a primary redirector at `https://netcdn.xyz/app/431946152/roblox-verification-game-hack`, which is known to lead to malicious infrastructure. The document's structure and embedded links strongly suggest it is designed to redirect users to potentially harmful websites, likely for further malware delivery or phishing.

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/431946152/roblox-verification-game-hack In PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/roblox-bloxburg-hack_GM431946152.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/coin-master-free-coins_GM406889139.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/robux-com-free_GM431946152.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/coin-master-hacks-no-surveys_GM406889139.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/how-to-get-free-robux-without-verifying_GM431946152.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/roblox-hack-me_GM431946152.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/roblox-free-vip-server_GM431946152.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/chisel-and-bits-mod-pe_GM479516143.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/roblox-password-hacker_GM431946152.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/best-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/2021-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/android-coin-master-3433-apk-hack_GM406889139.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/free-robux-websites-that-actually-work_GM431946152.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/generator-robux_GM431946152.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/roblox-promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/coin-master-hack-download_GM406889139.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/free-robux-no-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://yontemakademi.com.tr/public/uploads/files/free-robux-codes_GM431946152.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_off0000496b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x496B 26324 bytes
SHA-256: 32f0218e412c5d93ae21f1787b97e08267e7c7fac36e3ce37e8e392bed76824f
font_01_sfnt_off0000843a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x843A 18372 bytes
SHA-256: 8e16c624761c7815a00ee9013e3827e71f8aa93179f7b81ef6a1eeeaa97f0eaa

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