Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b885b3e1f5a66ed…

MALICIOUS

PDF

36.2 KB Created: 2021-05-13 10:31:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7c84a4a48878e7191c55870c389e4645 SHA-1: 04b9aa6f3ffe7161c02f8bb78ecfe4b594552916 SHA-256: 0b885b3e1f5a66ed7ffc4070e36c65e52eb199c6b061885c83844e5d2ec64993
110 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a malicious redirector link to a file hosted on 'netcdn.xyz', disguised as a download for a game hack. It also includes heuristics indicating a fake download button and a lure for a remote support tool, suggesting a social engineering attempt to trick the user into downloading and potentially executing a malicious payload. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier clean score 0.0302

Heuristics 4

  • 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.
  • Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
    Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
  • 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/wurst-1.12-game-hack In 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_003_off000034ed.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x34ED 24824 bytes
SHA-256: 6265ccb315e578dfc8485f1a97bde16a895b46877763ed516b570a68ee57517c
font_01_sfnt_off00006d7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D7B 17856 bytes
SHA-256: 231ed0e7957a5c445c778f0fe1c9318810f2b5562dc1cd2ae15ff2a5633334db

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