PDF static analysis report

Static analysis result for SHA-256 6c91d5aad006fd18…

SUSPICIOUS

PDF

28.7 KB Created: 2021-07-18 23:22:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 7956866fec825939649faec5682799f3 SHA-1: a3c063d3d3cff0e0150aa93cfe5299b76775a396 SHA-256: 6c91d5aad006fd18b915a2e48d31104279fc30ca4d8f56d2418e9d81179a3790
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a call-to-action phrase, suggesting it is a lure for downloading a payload. The ML classifier also flagged the PDF as malicious. The primary URL, http://netcdn.tw/app/479516143/free-minecraft-java-account-game-hack, is likely the download location for the secondary stage. No scripts were extracted, but the presence of embedded URLs and the ML classification indicate a suspicious document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7617

Heuristics 3

  • 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 http://netcdn.tw/app/479516143/free-minecraft-java-account-game-hack PDF link annotation
    • https://www.kambati.co.za/images/free-spins-for-coin-master-app_GM406889139.pdfIn PDF document text
    • https://www.kambati.co.za/images/adopt-me-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001ff7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1FF7 21504 bytes
SHA-256: 3e8295ef7a8273e05d41ee6008c96b0ce2a550d6824675bce6f7882890be2fbe
font_01_sfnt_off00004ef3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4EF3 18128 bytes
SHA-256: ad2a0848393495eee102bd1b36be1bc15cd9afc8a8e02692ab65cad6db8d4212

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