Malicious PDF — malware analysis report

Static analysis result for SHA-256 39b3847d9ecb39c1…

MALICIOUS

PDF

38.7 KB Authoring application: Soda PDF
MD5: 32aaf7e37565a22c3180b3f15f5671f8 SHA-1: e6922a334080f78441695f3ae48cb1b1c11817bb SHA-256: 39b3847d9ecb39c1fff3338840e2990a8e48ca859293194ce049937faf740615
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

This PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious intent. The primary attack pattern involves a link farm of 18 external PDF files, with the first URL being https://lakagagapida.weebly.com/uploads/1/3/0/2/130291689/34a4debe085096.pdf. This suggests a phishing or SEO manipulation campaign designed to redirect users to potentially harmful content hosted across various domains.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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 https://lakagagapida.weebly.com/uploads/1/3/0/2/130291689/34a4debe085096.pdf
    • http://mythicarmory.com/uploads/1/3/0/5/130542831/tasowovexirowe.pdf
    • http://ncmodern.com/uploads/1/3/0/5/130538923/perukoxevenixobo.pdf
    • http://aaceconsulting.org/uploads/1/3/0/6/130604810/meletawatab.pdf
    • http://christinevanwalraven.com/uploads/1/3/0/7/130775935/95f70.pdf
    • http://tideviewcider.ca/uploads/1/3/0/3/130379352/197761.pdf
    • http://mentoringthroughmovement.com/uploads/1/3/0/4/130483540/kofadazozemokemunedo.pdf
    • https://revajosojukeja.weebly.com/uploads/1/3/0/4/130436258/122025.pdf
    • http://runsquadopo.org/uploads/1/3/0/5/130551656/fojijogelulosomawad.pdf
    • http://sharedtravel.voyagerwebsites.com/uploads/1/3/0/6/130639467/130639467.html#absolute+threshold+psychology+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000127b.bin
458b925f588219a12a3e8e88eea392591c31b2fc7b80854965f8a15a0c9cb971		 pdf-font-stream PDF embedded font (sfnt) at offset 0x127B 9028 bytes

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