Malicious PDF — malware analysis report

Static analysis result for SHA-256 700f525fd4f325ac…

MALICIOUS

PDF

37.0 KB Created: 2021-05-23 23:21:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-22
MD5: 5ebdec9dd4683cc10907cddb6ec72e49 SHA-1: 4a01575a0bf0fc850b766795c644a0e43f72353f SHA-256: 700f525fd4f325acc04a73771244bb365d70f70ad73c5b09f81f485781580230
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://netcdn.xyz/app/479516143/minecraft-hacks-1.15-2-game-hack'. The document body also contains this URL and a call-to-action phrase, suggesting a lure to download or access malicious content. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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-hacks-1.15-2-game-hack In PDF document text
    • https://www.markettraderacademy.com/uploaded_files/userfiles/files/free-tiktok-followers_GM835599320.pdfIn PDF document text
    • https://www.markettraderacademy.com/uploaded_files/userfiles/files/coin-master-free-spins-instagram_GM406889139.pdfIn PDF document text
    • https://www.markettraderacademy.com/uploaded_files/userfiles/files/today-free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.markettraderacademy.com/uploaded_files/userfiles/files/coin-master-hack-apk-download-latest-version_GM406889139.pdfIn PDF document text
    • https://www.markettraderacademy.com/uploaded_files/userfiles/files/minecraft-free-download-pc_GM479516143.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_off00003638.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3638 24988 bytes
SHA-256: 8da21d61a7f569bb9953b757af25d5854220c5c1b138aa03c98e4287953293cb
font_01_sfnt_off00006fb5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FB5 18168 bytes
SHA-256: 304447a64c9c9da34caed164523f062cdaeb71933cc5e9c334f07884a33f2f76

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