Malicious PDF — malware analysis report

Static analysis result for SHA-256 aaeb5e2af15ecb08…

MALICIOUS

PDF

36.5 KB Created: 2020-04-05 05:38:35 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4276e95e647729ff581e4216cbe5000f SHA-1: e775cbc7138b39b2c6f42fd101cf394e17f29c7f SHA-256: aaeb5e2af15ecb087d7acf518bc851c82960047ea0086421d961e72bc22ac5d3
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or SEO poisoning attempt. The document body contains the phrase 'Tortillas de yuca con queso', which appears to be a lure to disguise the malicious intent. No scripts were extracted from this sample, limiting the ability to determine further payload delivery or execution details.

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://ttthardstyle.com/uploads/1/3/1/0/131069970/131069970.html#tortillas+de+yuca+con+queso
    • http://twenty1-design.com/uploads/1/3/0/8/130874385/3379257.pdf
    • http://instaznap.com/uploads/1/3/0/4/130476045/1f354e9ca2.pdf
    • http://adentamalaysia.com/uploads/1/3/0/9/130969963/wevomujulazanuj-rokusi.pdf
    • http://cresilient.com/uploads/1/3/0/6/130620644/e9e1902b7341ef.pdf
    • http://mouracontabilidadeonline.net/uploads/1/3/0/5/130588721/ginenobufuzud-wemuvugiv-texivaxogivazo-tipaf.pdf
    • http://exoticpettingzoo.com/uploads/1/3/0/6/130621527/ximetuvuxev-zexubiwosopej-muxiga.pdf
    • http://jdberko.com/uploads/1/3/0/3/130379409/8606956.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_off00006560.bin
1da770955c36250171d828baba73141a7c41469a88264984534f33b4d3e92c7e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6560 8396 bytes

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