Malicious PDF — malware analysis report

Static analysis result for SHA-256 8de700dbf6996121…

MALICIOUS

PDF

33.8 KB Created: 2021-07-19 07:41:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9957006be43a68c1907c4885cf1f0131 SHA-1: 1e8a638a258d60496fd0cbe1f5bba92420570b55 SHA-256: 8de700dbf6996121404b7cb1f694b0492ef8fd3ea776544db1ca8107ea0d0a9d
100 Risk Score

Malware Insights

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

The PDF document contains embedded links to malicious infrastructure, specifically a redirector at http://netcdn.tw/app/479516143/minecraft-hacked-client-1.12-2-game-hack, which is designed to lure users into downloading potentially harmful software. The presence of a "download button" heuristic further supports the social engineering aspect of this attack. While no scripts were explicitly extracted, the malicious URLs and the overall context suggest an attempt to deliver a second-stage payload, likely exploiting a client execution vulnerability.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9946

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.tw/app/479516143/minecraft-hacked-client-1.12-2-game-hack In PDF document text
    • https://jdlrelocation.com/images/free-robux-gift-card-codes_GM431946152.pdfIn PDF document text
    • https://jdlrelocation.com/images/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • https://jdlrelocation.com/images/minecraft-free-download-windows_GM479516143.pdfIn PDF document text
    • https://jdlrelocation.com/images/coin-master-free-coins_GM406889139.pdfIn PDF document text
    • https://jdlrelocation.com/images/tiktok-likes-for-free_GM835599320.pdfIn PDF document text
    • http://jdlrelocation.com/images/free-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • https://jdlrelocation.com/images/how-to-get-minecraft-pe-for-free_GM479516143.pdfIn PDF document text
    • https://jdlrelocation.com/images/free-followers-for-tiktok_GM835599320.pdfIn PDF document text
    • https://jdlrelocation.com/images/tiktok-followers-for-free_GM835599320.pdfIn PDF document text
    • https://jdlrelocation.com/images/free-fans-on-tiktok_GM835599320.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
font_00_sfnt_off00002e01.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E01 23840 bytes
SHA-256: 40d0b218c8cd96bcc4380b286f79b878a8990fccad1618c5a79df280e2826273
font_01_sfnt_off00006253.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6253 18280 bytes
SHA-256: 63e0cf813ec8bc820137db86bcb3617ef7dd45146c6ac783cccfa5d71b9aece7

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