Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a2aa1fd2fe29c17…

MALICIOUS

PDF

38.6 KB Created: 2021-05-17 00:38:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 90caef2a7faee84d43a2cad4dca0b391 SHA-1: b6c65f13b09f6d502b0baf1656b1bfda94d917a4 SHA-256: 1a2aa1fd2fe29c17322184060faf7427422bca02ebea718c0bdf173709ca0736
70 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a lure related to hacking Roblox accounts, directing users to a URL hosted on netcdn.xyz. This URL is flagged as malicious and likely serves as a redirector to a further stage of the attack. The presence of embedded URLs and a call-to-action button suggests a phishing or social engineering attempt.

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/431946152/how-to-hack-someone 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
font_00_sfnt_off000031f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31F4 29272 bytes
SHA-256: 18d86ccc8d7593fddde270e14856439626d9378732a1d492f028dcb7878a176d
font_01_sfnt_off00007383.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7383 18912 bytes
SHA-256: 9f53b096903929334954973b1f22b9a4d0ba47253044b0676b0b61e1e4f10122

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