Malicious PDF — malware analysis report

Static analysis result for SHA-256 74044344da54c91e…

MALICIOUS

PDF

37.4 KB Created: 2021-05-11 00:20:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-14
MD5: b010c2a8bcfbcd8fe5d5920c2dd00caa SHA-1: 7b1e038e15c461630d7a7831f3c6bc01159a5b70 SHA-256: 74044344da54c91e4892eeec7b51a0fbd69ac88b55a533f1dd18e4bb4a159554
70 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a prominent "CLICK HERE TO ACCESS MINECRAFT GENERATOR" call-to-action, which is a common lure for malicious downloads. The embedded link directs to `https://netcdn.xyz/app/479516143/wurst-1.12-game-hack`, identified as a malicious redirector. This suggests the document is part of a phishing campaign designed to trick users into downloading malware.

Machine Learning

  • Nyx PDF Classifier clean score 0.0334

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/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_off000038bf.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x38BF 25552 bytes
SHA-256: 9d61bad29c2d67a77228013585d00f6473089cd9c3c484ab2a95f9abd0975d31
font_01_sfnt_off00007286.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7286 17856 bytes
SHA-256: 231ed0e7957a5c445c778f0fe1c9318810f2b5562dc1cd2ae15ff2a5633334db

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