Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc570877bd97e3c6…

MALICIOUS

PDF

42.8 KB Created: 2021-05-11 08:01:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 60542a2996f4028cb547feea9fae2583 SHA-1: 884370bc35e1cfaf65b7ddb698e658ac110b1d59 SHA-256: bc570877bd97e3c6d33b145531cf7a64f59163ee3d00b5afbfd8c09e1be7e868
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to a URL hosting a "Coin Master Hack Apk". The presence of a visual download button and the ML classifier's high confidence score indicate a malicious intent to trick users into downloading potentially harmful software. The document's content and linked URLs suggest a lure for game-related cheats or hacks.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/coin-master-hack-apk-3.3-download-game-hack In PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/coin-master-spin-cheat_GM406889139.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/hack-coin-master-download-ios_GM406889139.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/100-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/free-free-robux_GM431946152.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/free-roblox-toys_GM431946152.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/unlimited-robux-2021_GM431946152.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/coin-master-free-spin-27_GM406889139.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/free-roblox-accounts-2021-with-robux_GM431946152.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/minecraft-hacks-xbox-one_GM479516143.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/free-robux-master_GM431946152.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/roblox-comroblox_GM431946152.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/coin-master-hack-apk-no-survey_GM406889139.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/free-draw-roblox_GM431946152.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/how-do-i-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/how-to-download-minecraft-windows-10-edition-for-free_GM479516143.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/give-me-robux-now_GM431946152.pdfIn PDF document text
    • http://www.thalanghospital.go.th/UserFiles/File/roblox-hackers-list_GM431946152.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_off000049c5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49C5 25244 bytes
SHA-256: f7b1c3c99d054b376c171ebbd3a8c2ba4dd4d1596ce02b22fba3d11e57535ba4
font_01_sfnt_off00008397.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8397 18712 bytes
SHA-256: 7b0d73c3c947b4b69b0dacd8ee9d54ac186f3f25f445d7c75a3629d774cbcc62

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