Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3952d2403b1dc25…

MALICIOUS

PDF

51.2 KB Authoring application: Soda PDF
MD5: 9edfe5b96e29207e8c5ad47aba95b065 SHA-1: 1ac71dbd883135d7e2841a1a3653e3b33689c74f SHA-256: e3952d2403b1dc25a6ed2543774d4f6d52ab73bf2d7db6899f65914495d74905
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF was flagged by multiple heuristics, including a critical finding for a PDF link farm and ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0. The embedded URLs suggest a phishing or redirection attempt. The document body contains garbled text and references to external URLs, further supporting the phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://veniwonat.indasoft.online/uploads/2020/01/28/2555678.pdf
    • http://farmtablecatering.ca/uploads/1/3/0/6/130621201/c3c1c021.pdf
    • http://northeconstruction.com/uploads/1/3/0/3/130323196/9006328.pdf
    • http://stoneysbarandgrill.com/uploads/1/3/0/3/130323822/267dc8fd89b24e.pdf
    • http://trentriverdesigns.com/uploads/1/3/0/4/130476378/130476378.html#camel+rabbitmq+manual+ack

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001079.bin
949f120dd078d87499ed81f94457c3237b355ea8b079159982cb3720f9c0c5cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1079 9208 bytes
font_01_sfnt_off00006749.bin
43ae47fdaf4fd812bfd5187493581e2c1634f3c72dafd80acabcb2ae76d89ee4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6749 15880 bytes

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