Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e10d648864b615a…

MALICIOUS

PDF

44.1 KB Created: 2021-05-15 08:35:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: bd14c7d3af384fa88465aa1caf993d82 SHA-1: 6ceaab929d02ddb34d149e4ce31dcace48c986de SHA-256: 0e10d648864b615a31b95b264404da8a92f590e70ccfc8d8689215a346130e9b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links that are flagged as malicious redirectors, specifically promoting 'free generator' or 'game hack' lures. The document body and embedded links strongly suggest a social engineering tactic to drive users to potentially harmful websites. The ML classifier also indicated a high probability of maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9976

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/get-free-robux-2021-game-hack In PDF document text
    • https://www.zagorjeadventureteam.hr/files/coin-master-hack-apk-2021-download_GM406889139.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/coin-master-hack-tool-access-online-generator_GM406889139.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/coin-master-free-spins-link-download_GM406889139.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/free-robux-hack-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/mcpe-free-download_GM479516143.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/hack-free-spin-coin-master_GM406889139.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/roblox-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/coin-master-free-spin-link-list_GM406889139.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/flip-master-free-coins_GM406889139.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/como-descargar-coin-master-hackeado_GM406889139.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/how-to-get-free-robux-gift-cards_GM431946152.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/can-you-actually-get-free-robux_GM431946152.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/coin-master-free-coins-hack_GM406889139.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/android-coin-master-3433-apk-hack_GM406889139.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/coin-master-hack-quora_GM406889139.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/legit-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/free-headless-head-roblox_GM431946152.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/coin-master-free-spins-hack-ios_GM406889139.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/how-to-get-free-coins-on-flip-master_GM406889139.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_off0000498d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x498D 28424 bytes
SHA-256: 2762c7676f138a72750c3076b07efcee8c1ed958a22153532fea171ef46ad41f
font_01_sfnt_off00008946.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8946 18520 bytes
SHA-256: 6fe0ff66a16b6ee6dc50657e9361d5c62c74e6da0263e26ac7f67f588141101f

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