Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba348c843fc79f87…

MALICIOUS

PDF

31.8 KB Authoring application: Inkscape
MD5: 06b2d44a86cd12e96eb81a2477f7cae7 SHA-1: b5a1bee166663b1194f83844e0a3d720693a8c0f SHA-256: ba348c843fc79f877f903489f2e8cabd6432a846110454992043bc4997a40607
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links to other PDF files, a technique commonly used to obscure malicious content or distribute phishing lures. The ClamAV detection and ML classifier strongly indicate malicious intent. The embedded URLs suggest a link farm designed to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://mklmok.com/uploads/1/3/0/5/130588290/9650798f89d20.pdf
    • http://mercadohuanacaxtle.com/uploads/1/3/0/7/130776674/1853713.pdf
    • http://pvelmmelstem.weebly.com/uploads/1/3/0/5/130541208/nuragim_fiburimoketowa_mijonevofopegan.pdf
    • http://cheryljack.com/uploads/1/3/0/5/130540437/362111.pdf
    • http://mekagogaza.ancientstudio.online/uploads/2020/01/29/jisaxosuris.pdf
    • http://dr-pratt-emotional-mastery.com/uploads/1/3/0/6/130620619/5357999.pdf
    • http://wearthenature.com/uploads/1/3/0/6/130605115/1106849.pdf
    • http://securities-analysis.com/uploads/1/3/0/5/130551241/5d62ac.pdf
    • http://mycorsicanabedding.com/uploads/1/3/0/6/130639477/kusofalivep-xuzotis-gekufebovosaged.pdf
    • http://colddiamnd.com/uploads/1/3/0/5/130589328/130589328.html#steam+ark+survival++size

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000122c.bin
8219711ff1bf21e4478313d2d541e1bb493fa0509893d5a2004e1ca216d6e5af		 pdf-font-stream PDF embedded font (sfnt) at offset 0x122C 8048 bytes

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