Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f32945d79f9bf52…

MALICIOUS

PDF

38.2 KB Created: 2021-05-15 09:32:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 0df40da0023739a7e9e2404a2d45860f SHA-1: 8a4a983ee5d376a5953b007c6dc50326f42e34dd SHA-256: 8f32945d79f9bf5231bcb7660687482f5162d6a93a5b04e8ed8cdda9963e7d78
70 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains a prominent call-to-action disguised as a download button for a Roblox account hack. This button links to a known malicious redirector URL, indicating a phishing or scam attempt. The document body and heuristics confirm the presence of malicious links and a lure for user interaction.

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
stream_003_off000036b8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x36B8 25696 bytes
SHA-256: c7dd2a9357a661f7126418fc99fa3ac42f321f6f0412ff40f9503a4d217d01f0
font_01_sfnt_off00007218.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7218 18912 bytes
SHA-256: 9f53b096903929334954973b1f22b9a4d0ba47253044b0676b0b61e1e4f10122

Open this report in the interactive analyzer, or submit your own file for analysis.