Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba5cd22d145c0962…

MALICIOUS

PDF

39.2 KB Created: 2021-05-22 13:48:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6ba6f744dbdea90df103489decb46e92 SHA-1: ead002c2932482aa2aa9fc08012f0e534a35df51 SHA-256: ba5cd22d145c096216223f0299f0fa6ed48e1e32e1ce355d7fe9ab4a0184570f
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a malicious redirector link pointing to a Minecraft hacked client download. The document body also includes a call-to-action phrase and multiple embedded URLs, some of which are associated with free game items or cheats, further supporting the lure. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

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/479516143/minecraft-hacked-client-1.12-2-game-hack In PDF document text
    • https://elearning.min6bandarlampung.sch.id/__statics/gudangsoal/files/free-spins-for-coin-master-without-human-verification_GM406889139.pdfIn PDF document text
    • https://elearning.min6bandarlampung.sch.id/__statics/gudangsoal/files/minecraft-launcher-download-free_GM479516143.pdfIn PDF document text
    • https://elearning.min6bandarlampung.sch.id/__statics/gudangsoal/files/free-robux-ad_GM431946152.pdfIn PDF document text
    • https://elearning.min6bandarlampung.sch.id/__statics/gudangsoal/files/free-robux-apk_GM431946152.pdfIn PDF document text
    • https://elearning.min6bandarlampung.sch.id/__statics/gudangsoal/files/free-custom-minecraft-skins_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_002_off000034a1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x34A1 26212 bytes
SHA-256: 05121575ff250f112c68d841f9d45be65f2c7c57268defc5ad27c344fb9554c6
font_01_sfnt_off00006db7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DB7 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off000077c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77C6 18280 bytes
SHA-256: 63e0cf813ec8bc820137db86bcb3617ef7dd45146c6ac783cccfa5d71b9aece7

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