Malicious PDF — malware analysis report

Static analysis result for SHA-256 752d622d494dce03…

MALICIOUS

PDF

38.7 KB Created: 2021-05-21 15:51:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 7b9c17b0984208eda5d8b238471a9760 SHA-1: b14f904b99e6f0875644c91b201ee8789933210c SHA-256: 752d622d494dce03ae77d9442b9c25cdf4315321a33aacf0fdc132431feef82a
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that are designed as lures for game hacks and generators, such as 'Roblox Avatar Editor Free'. The primary malicious URL identified is https://netcdn.xyz/app/431946152/roblox-avatar-editor-free-game-hack. The document's structure and content suggest it is intended to trick users into clicking these links, likely leading to further malicious activity or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9476

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/431946152/roblox-avatar-editor-free-game-hack PDF link annotation
    • http://e-learning.man2jombang.sch.id/__statics/gudangsoal/files/how-to-get-free-tiktok-followers-without-downloading-apps_GM835599320.pdfIn PDF document text
    • http://e-learning.man2jombang.sch.id/__statics/gudangsoal/files/minecraft-servers-that-allow-hacks_GM479516143.pdfIn PDF document text
    • http://e-learning.man2jombang.sch.id/__statics/gudangsoal/files/free-robux-generator-without-verification_GM431946152.pdfIn PDF document text
    • http://e-learning.man2jombang.sch.id/__statics/gudangsoal/files/free-minecraft-pe-server_GM479516143.pdfIn PDF document text
    • http://e-learning.man2jombang.sch.id/__statics/gudangsoal/files/free-robux-generator-com-roblox-hack_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_002_off00003582.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3582 27560 bytes
SHA-256: 918cd4d705b2837a55ceabd371f9f461f47bd21a31373f0a20130646db5a25ee
font_01_sfnt_off000074fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74FB 18688 bytes
SHA-256: df5bcc24373e296ec4817c651a2102fa03399b65c3de23d7ceb8af082f98641c

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