Malicious PDF — malware analysis report

Static analysis result for SHA-256 986814c51af89d0c…

MALICIOUS

PDF

26.8 KB Created: 2020-04-11 04:23:32 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6e8fb113a728754b88a1b69f3f9cfa1f SHA-1: 99c004be9da1d3015f9214aa89d75f280e64423d SHA-256: 986814c51af89d0c98dd42942c71466aadc98e7d5d3456d3d153dd5f68f3789e
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded external links, many of which point to domains that appear to be part of a link farm. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, suggesting a malicious intent to redirect users to potentially harmful content or for SEO manipulation. No scripts were extracted from this sample, limiting the ability to determine further payload delivery or execution mechanisms.

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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://74-123-75-152.mgwnet.com/uploads/1/3/0/3/130323206/130323206.html#exploring+wine+3rd+edition+pdf
    • http://www.midwalesgolfcentre.co.uk/uploads/1/3/0/7/130739987/f4444bea0534960.pdf
    • http://diekunstderfuehrung.de/uploads/1/3/1/4/131452987/gufoneluku-fatokegijimabi-metexifofa.pdf
    • http://requiroimports.com/uploads/1/3/1/4/131438313/34237b6089985f8.pdf
    • http://geoffhanzlik.com/uploads/1/3/0/2/130291975/garakugafo_diwirexuzotu.pdf
    • http://triyogadueren.com/uploads/1/3/1/4/131437776/8489900.pdf
    • http://villagearch.com/uploads/1/3/0/6/130604351/sitigexebalo-wukimikigimib-kudoretavimi.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004353.bin
93ba70967f3519399e4282ea9b771a358a4d181589ec6f60a3f516dedeb0ec93		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4353 6908 bytes

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