Malicious PDF — malware analysis report

Static analysis result for SHA-256 32f1251d251a2e10…

MALICIOUS

PDF

33.3 KB Created: 2021-06-28 07:05:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7c251f3b3101e32815332af1f700b9e9 SHA-1: 9f3962035eacd83c1f0b3654bc601af7284efd80 SHA-256: 32f1251d251a2e106a96e0c23a1b74e316a68ace05d1db753473ed18431ea18f
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links to known malicious redirector infrastructure, specifically http://netcdn.co/app/431946152/how-to-hack.in-anybody-account-in-roblox-game-hack. The document body text and numerous extracted URLs suggest a lure related to game hacks and currency, aiming to trick users into visiting these malicious sites. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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 http://netcdn.co/app/431946152/how-to-hack.in-anybody-account-in-roblox-game-hack In PDF document text
    • https://cleansui.com.tw/image/data/files/free-robux-generator-no-human-verification-or-surveys_GM431946152.pdfIn PDF document text
    • http://cleansui.com.tw/image/data/files/wurst-hacked-client-112-2_GM479516143.pdfIn PDF document text
    • http://cleansui.com.tw/image/data/files/are-robux-generators-safe_GM431946152.pdfIn PDF document text
    • https://cleansui.com.tw/image/data/files/free-roblox-passwords_GM431946152.pdfIn PDF document text
    • https://cleansui.com.tw/image/data/files/descargar-hacks-para-roblox-dragon-ball-rage_GM431946152.pdfIn PDF document text
    • http://cleansui.com.tw/image/data/files/freespins-coin-master_GM406889139.pdfIn PDF document text
    • http://cleansui.com.tw/image/data/files/claim-free-robux_GM431946152.pdfIn PDF document text
    • http://cleansui.com.tw/image/data/files/offers-for-free-robux_GM431946152.pdfIn PDF document text
    • https://cleansui.com.tw/image/data/files/how-to-execute-code-with-cheat-engine-on-roblox_GM431946152.pdfIn PDF document text
    • https://cleansui.com.tw/image/data/files/roblox-army-free-robux_GM431946152.pdfIn PDF document text
    • https://cleansui.com.tw/image/data/files/level-coin_GM406889139.pdfIn PDF document text
    • https://cleansui.com.tw/image/data/files/roblox-gae-free_GM431946152.pdfIn PDF document text
    • https://cleansui.com.tw/image/data/files/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
    • https://cleansui.com.tw/image/data/files/pubg-uc-20210_GM1330123889.pdfIn PDF document text
    • https://cleansui.com.tw/image/data/files/hack-coin-master-net_GM406889139.pdfIn PDF document text
    • http://cleansui.com.tw/image/data/files/minecraft-tower-defense-hacked_GM479516143.pdfIn PDF document text
    • http://cleansui.com.tw/image/data/files/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://cleansui.com.tw/image/data/files/roblox-hack-safe-download_GM431946152.pdfIn PDF document text
    • https://cleansui.com.tw/image/data/files/www-rbxhut-com_GM431946152.pdfIn PDF document text
    • http://cleansui.com.tw/image/data/files/how-do-you-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000029cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x29CF 22404 bytes
SHA-256: 3fe49d723899b3beea107219555a01eace90b6aab9cfe7e5ea032cbf2cdd146b
font_01_sfnt_off00005b82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B82 19604 bytes
SHA-256: 7e70e21c058c4ff86b773a37b0f362c89fcc90b8eaf8fde899c5e01509973913

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