Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed8300bc20fb830d…

MALICIOUS

PDF

36.5 KB Created: 2021-05-10 23:45:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-23
MD5: 1b57deb4edca55b94d21c33c3cc7e9d0 SHA-1: be69871826ff44727850a34663367a9527854386 SHA-256: ed8300bc20fb830de8299858398b448530d47cd87f9974b79119b1e629dafa1d
110 Risk Score

Malware Insights

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

The PDF document contains embedded links and text that mimic a game hack client, including a prominent 'CLICK HERE TO ACCESS MINECRAFT GENERATOR' call to action. It also employs a remote support tool lure, suggesting the user install such software. The primary URL points to a known malicious redirector, indicating the intent to deliver a secondary payload.

Machine Learning

  • Nyx PDF Classifier clean score 0.0312

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-hacked-client-1.12-2-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_off0000335e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x335E 25368 bytes
SHA-256: c4f5bf2db18ca5267cc81df9636d5f3bcebeba4698c6f8a82edf5bdc557465e8
font_01_sfnt_off00006c5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C5C 18620 bytes
SHA-256: 80e22772db7eca57705c0187b86df7abc8931c2a6d79ddee303f8eb1dbbde651

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