Malicious PDF — malware analysis report

Static analysis result for SHA-256 a20023e2f2d6bad8…

MALICIOUS

PDF

44.6 KB Created: 2021-05-19 13:18:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c76c69407237a1ad68f663e697f6790a SHA-1: e1873f8683008fe4b1e00027c997f7fb5a9e20d9 SHA-256: a20023e2f2d6bad82e9889b0fae0c4a1deb89a78c865bf122c9abfa3d0e9af5f
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains a link to a known malicious redirector, which is designed to lead users to download potentially unwanted or malicious applications. The document body and embedded links suggest a lure related to game hacks and in-game currency, indicating a social engineering tactic to trick users into clicking the malicious link. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9632

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-3.5.33-android-hack-game-hack In PDF document text
    • https://proviant.kz/images/coin-master-free-spins-and-coins-app_GM406889139.pdfIn PDF document text
    • https://proviant.kz/images/get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://proviant.kz/images/roblox-generator_GM431946152.pdfIn PDF document text
    • https://proviant.kz/images/coin-master-free-cards_GM406889139.pdfIn PDF document text
    • https://proviant.kz/images/show-me-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://proviant.kz/images/coin-master-free-spin-link-today-50_GM406889139.pdfIn PDF document text
    • https://proviant.kz/images/coin-master-free-generator_GM406889139.pdfIn PDF document text
    • https://proviant.kz/images/was-minecraft-ever-free_GM479516143.pdfIn PDF document text
    • https://proviant.kz/images/robux-free-online_GM431946152.pdfIn PDF document text
    • https://proviant.kz/images/daily-spin-and-coin_GM406889139.pdfIn PDF document text
    • https://proviant.kz/images/coin-master-hack-tool-pc-download_GM406889139.pdfIn PDF document text
    • https://proviant.kz/images/robux-robux_GM431946152.pdfIn PDF document text
    • https://proviant.kz/images/roblox-hacking-website_GM431946152.pdfIn PDF document text
    • https://proviant.kz/images/coin-master-free-spins-no-survey_GM406889139.pdfIn PDF document text
    • https://proviant.kz/images/minecraft-free_GM479516143.pdfIn PDF document text
    • https://proviant.kz/images/real-roblox_GM431946152.pdfIn PDF document text
    • https://proviant.kz/images/todays-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • https://proviant.kz/images/free-coins-on-coin-master-generator_GM406889139.pdfIn PDF document text
    • https://proviant.kz/images/coin-master-hack-apk-facebook-login_GM406889139.pdfIn PDF document text
    • https://proviant.kz/images/minecraft-classic-free_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_off000048a5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48A5 25268 bytes
SHA-256: 41ca8e7c58a095870b3c32e19bf29125a28fe42a9dc699e231b72021ffed2c85
font_01_sfnt_off000081a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81A8 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off00008b93.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B93 18264 bytes
SHA-256: 55c2b7ac9e268c18f22df13ff8772fb9709c3f9370fdb7d4bb72adcf8037ad96

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