Malicious PDF — malware analysis report

Static analysis result for SHA-256 47c0bb3bc72a6166…

MALICIOUS

PDF

48.1 KB Created: 2021-05-15 12:17:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 47e1a0c27e39701fd9b22cbec3b1ac8d SHA-1: d1766db287699d960344af636d9733bcea1d6472 SHA-256: 47c0bb3bc72a6166c3534dcbba34d49744e087aab79fda17d0db72388b272d14
140 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains embedded links that redirect to a malicious application download, impersonating the brand Coinbase and offering a "Coin Master Hack Apk". The ML classifier also flagged this PDF as malicious. The presence of a visual download button further supports the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9013

Heuristics 4

  • 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.
  • Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://netcdn.xyz/app/406889139/coin-master-hack-apk-3.5-11-game-hack.
  • 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-hack-apk-3.5-11-game-hack In PDF document text
    • http://verenacrow.at/images/free-robux-com-roblox_GM431946152.pdfIn PDF document text
    • http://verenacrow.at/images/master-coin-hack-app_GM406889139.pdfIn PDF document text
    • http://verenacrow.at/images/how-to-get-free-roblox-items_GM431946152.pdfIn PDF document text
    • http://verenacrow.at/images/coin-master-spins-hack-iphone_GM406889139.pdfIn PDF document text
    • http://verenacrow.at/images/how-to-get-free-robux-without-email_GM431946152.pdfIn PDF document text
    • http://verenacrow.at/images/free-coins-app-for-coin-master_GM406889139.pdfIn PDF document text
    • http://verenacrow.at/images/free-daily-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://verenacrow.at/images/free-spin-gratis-coin-master_GM406889139.pdfIn PDF document text
    • http://verenacrow.at/images/hack-the-game-coin-master_GM406889139.pdfIn PDF document text
    • http://verenacrow.at/images/www-roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://verenacrow.at/images/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://verenacrow.at/images/free-roblox-hack_GM431946152.pdfIn PDF document text
    • http://verenacrow.at/images/roblox-free-roblox_GM431946152.pdfIn PDF document text
    • http://verenacrow.at/images/roblox-land-free-robux_GM431946152.pdfIn PDF document text
    • http://verenacrow.at/images/master-8-ball-pool-free-coins_GM406889139.pdfIn PDF document text
    • http://verenacrow.at/images/free-robux-obby-2021_GM431946152.pdfIn PDF document text
    • http://verenacrow.at/images/coin-master-invite-friends-free-spins_GM406889139.pdfIn PDF document text
    • http://verenacrow.at/images/free-minecraft-skins-pe_GM479516143.pdfIn PDF document text
    • http://verenacrow.at/images/free-minecraft-skin-maker_GM479516143.pdfIn PDF document text
    • http://verenacrow.at/images/free-spins-and-coins-for-coin-master-game_GM406889139.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_off000049cb.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49CB 25676 bytes
SHA-256: d5a9cb48414e73d0837bff950bd3c04b956489ad8ca4121b1c34da0fd63f52b2
font_01_sfnt_off000084a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84A0 8676 bytes
SHA-256: e06aca5f85e50ae6cefda302c5299c18ab6d27c174f74f0bb0ee8efa7ccb4468
font_02_sfnt_off0000992b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x992B 18372 bytes
SHA-256: 17df93aaa0a20aa5c042e4bfc901dcd28212527af948c4b2f830898a8d4628be

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