Malicious PDF — malware analysis report

Static analysis result for SHA-256 735d9a7e5c4a4550…

MALICIOUS

PDF

34.1 KB Authoring application: pdf-parser
MD5: 6c1d6f400d1274ec9b6616547ae10566 SHA-1: 18bffd6d27382934964ac4544a1100b816749174 SHA-256: 735d9a7e5c4a4550a2929bab2936106c459fa3f3965f2d084c34e2190a788dbb
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to other PDF files and an HTML page. ClamAV also detected this as Pdf.Phishing.TtraffRobotInstall-7605656-0, indicating a phishing or redirection attempt. The embedded URLs are likely used to host malicious content or redirect users to phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://2handsstudio.net/uploads/1/3/0/4/130476506/2469d7115cc1.pdf
    • http://takebackministries.com/uploads/1/3/0/5/130589100/sowegugutibofof_salirogak.pdf
    • https://bejujomo.weebly.com/uploads/1/3/0/6/130604778/rujozu.pdf
    • http://parameciumparlor.com/uploads/1/3/0/4/130483384/130483384.html#partitura+bohemian+rhapsody+piano+fa

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000ff5.bin
453f73417e2de4a2d0494096e1aa63a01fc6ab2dd3b430b45181d8eb9a32aa20		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFF5 8600 bytes

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