Malicious PDF — malware analysis report

Static analysis result for SHA-256 dde033e5b17762ac…

MALICIOUS

PDF

34.1 KB Created: 2020-06-08 22:22:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 849bcb028002585936ce8e2d2f17bb0d SHA-1: 8d59490212820da4cc9cb539e245fe3fcebbdcaa SHA-256: dde033e5b17762acc423c7690ce759da14ec5ec819d3576f3a164c09fece33ba
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, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains. The primary purpose appears to be to create a link farm, potentially for SEO manipulation or to distribute further malicious content through the linked PDFs. No scripts were extracted from this sample.

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://heartsoulandmindtravel.voyagerwebsites.com/uploads/1/3/0/7/130739619/130739619.html#mapa+mudo+comunidades+autonomas+espa%25C3%25B1a+pdf
    • http://ftp.iprwyoming.org/uploads/1/3/0/2/130271028/ba0806b47b093f6.pdf
    • http://moonroadmarketing.com/uploads/1/3/0/6/130620618/kujuraw-lebiwezosejigo.pdf
    • http://thevillage410.org/uploads/1/3/0/4/130436234/4360899.pdf
    • http://onthego-essentials.com/uploads/1/3/1/1/131163955/47017d3baaaa92c.pdf
    • http://cpcontacts.irishoil.ie/uploads/1/3/0/2/130288602/22a537fce6.pdf
    • http://leftcoastextract.com/uploads/1/3/0/5/130539336/fepefer.pdf
    • http://poddlepublications.com/uploads/1/3/0/7/130775848/90962.pdf
    • http://naturalfest.net/uploads/1/3/0/5/130589218/vorenikukumav.pdf
    • http://mta-sts.mx.pensbyscott.com/uploads/1/3/0/6/130620293/ce5a3b.pdf
    • http://cambiumhomedecor.com/uploads/1/3/0/7/130775181/mavugaxu.pdf
    • http://ravenstedefarms.com/uploads/1/3/0/3/130313183/fc4c6ef3.pdf
    • https://didebonuruta.files.wordpress.com/2020/06/zesewijedamomudegob.pdf
    • https://ludajokafa.files.wordpress.com/2020/06/zopijuzurefumowolukar.pdf
    • https://xupidurodofa.files.wordpress.com/2020/06/64033149176.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_off000056b5.bin
3c802a6f1be20575ddfbdcd371d6f7a0aaf4dd1f42777a9c945d69a20c649a19		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56B5 11388 bytes

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