Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d684d96f4da016f…

MALICIOUS

PDF

45.8 KB Created: 2021-05-14 10:02:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 25612e0de171f4fd10a16b6b7c2d7f99 SHA-1: 6c9de392dd55679ca062269bb212501322ab3f16 SHA-256: 2d684d96f4da016f05d0d7fa78acb0fd06610d50859a7ac69bcd47dcc6bf9f47
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to redirector domains, specifically promoting 'game hacks' and 'free coins' for Coin Master. The primary link, https://netcdn.xyz/app/406889139/coin-master-free-coins-today-game-hack, is flagged as a malicious redirector. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to lead the user to a malicious site, likely for credential harvesting or malware delivery. The document body contains obfuscated text and URLs, reinforcing the malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9432

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/coin-master-free-coins-today-game-hack In PDF document text
    • https://creationegyptco.com/userfiles/files/free-coin-master-spins-hack_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/how-to-get-free-spins-on-coin-master-2021-links_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-download_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/how-to-get-free-food-on-coin-master_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/haktuts-coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/can-you-get-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-free-link-daily_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-minecraft-server_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/minecraft_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-pc-hack-tool_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/roblox-hax_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/get-more-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/robux-free-c_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-minecraft-mods_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/no-human-verification-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-exploits-for-roblox_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/minecraft-windows-10-mod-menu_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004b93.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B93 25260 bytes
SHA-256: e601e44226ff50d92f3f3d97a255b46ac46b0a207f63b7c321f045b1844c13f4
font_01_sfnt_off000085fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85FC 3400 bytes
SHA-256: 4b3e0f36ad1e0c7e3ea5c178fd2b4f097d1e01575fc6a4101a8b520db34dfe07
font_02_sfnt_off00009125.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9125 18064 bytes
SHA-256: e394056c4eb74bb544619b5782ef65607dab53e2149678f6173de5f10ac76a14

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