Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea65d0c318c3e0c9…

MALICIOUS

PDF

43.9 KB Created: 2021-05-14 07:25:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d0be8584610d3310ab71cceb98551fc4 SHA-1: bedae4f58f3b06bb96bae870073c4349086de85e SHA-256: ea65d0c318c3e0c98bcc4645eb4fd9896ed6d3ed83d57950f214e88e9f5f0723
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing for a malicious redirector link pointing to `https://netcdn.xyz/app/406889139/freespinandcoin.blogspot-com-2021-11-coin-master-free-spins-game-hack`. The document body and numerous other extracted URLs suggest a lure related to free spins or hacks for games like Coin Master and Robux, indicating a scam or phishing attempt. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 3

  • 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/freespinandcoin.blogspot-com-2021-11-coin-master-free-spins-game-hack In PDF document text
    • http://giolantapepe.gr/images/coin-master-hacks_GM406889139.pdfIn PDF document text
    • http://giolantapepe.gr/images/free-coin-master-spins-blog_GM406889139.pdfIn PDF document text
    • http://giolantapepe.gr/images/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://giolantapepe.gr/images/coin-master-daily-free-spins-haktuts_GM406889139.pdfIn PDF document text
    • http://giolantapepe.gr/images/claim-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://giolantapepe.gr/images/coin-master-free-spins-link-2021-hack_GM406889139.pdfIn PDF document text
    • http://giolantapepe.gr/images/free-minecraft-account-list_GM479516143.pdfIn PDF document text
    • http://giolantapepe.gr/images/robux-free-online_GM431946152.pdfIn PDF document text
    • http://giolantapepe.gr/images/roblox-promo-code-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://giolantapepe.gr/images/how-to-play-minecraft-online-for-free_GM479516143.pdfIn PDF document text
    • http://giolantapepe.gr/images/coin-master-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • http://giolantapepe.gr/images/coin-master-free-coins-hack_GM406889139.pdfIn PDF document text
    • http://giolantapepe.gr/images/free-draw-2-roblox_GM431946152.pdfIn PDF document text
    • http://giolantapepe.gr/images/how-many-levels-are-there-in-coin-master_GM406889139.pdfIn PDF document text
    • http://giolantapepe.gr/images/how-to-get-free-cards-sets-for-coin-master_GM406889139.pdfIn PDF document text
    • http://giolantapepe.gr/images/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://giolantapepe.gr/images/robux-hack-free-robux_GM431946152.pdfIn PDF document text
    • http://giolantapepe.gr/images/minecraft-multiplayer-free_GM479516143.pdfIn PDF document text
    • http://giolantapepe.gr/images/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
    • http://giolantapepe.gr/images/coin-master-hack-extension_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_off00004a3a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A3A 25736 bytes
SHA-256: b98f9757fe1b83b329d2209af1fab19dc543cd39cd52078b803b0a388d33af01
font_01_sfnt_off00008626.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8626 19340 bytes
SHA-256: 14ce521359a7158f17c6acd2645c88b11b0ebef116c2a70c2bac94c6f6b86304

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