Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec1977f40cafa7d1…

MALICIOUS

PDF

37.9 KB Created: 2020-03-27 05:20:55 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7086b99970197ff549553c87e73cb4d0 SHA-1: 7b5c4f981e43ab11c746db77de8f85ef79578614 SHA-256: ec1977f40cafa7d19ad7b52946efe36b9d6236b1b545aa76b808e082c419859d
62 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Gather Victim Identity Information T1204 Malicious Link

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, contains a URL pointing to 'kreativekidsworld.com' and appears to be a lure related to car pricing. The primary function of this PDF seems to be acting as a gateway to a large number of other PDF documents hosted on various domains, likely for SEO manipulation or to distribute further malicious content.

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://kreativekidsworld.com/uploads/1/3/0/6/130620942/130620942.html#precio+del+kia+picanto+nuevo
    • http://bioticbeginnings.com/uploads/1/3/0/6/130603977/99256.pdf
    • http://cassandrebolan.com/uploads/1/3/0/5/130551103/2344348.pdf
    • http://westcoastpowerwashing.com/uploads/1/3/0/6/130604632/kevixizogexasusala.pdf
    • http://www.okanagansolarpower.com/uploads/1/3/0/6/130604150/5868376.pdf
    • http://helloworld-media.com/uploads/1/3/0/6/130639679/8575340.pdf
    • http://hollowboneartistry.com/uploads/1/3/0/6/130640218/ragowalave_wagunowubi_sozitaw_jariteruzopi.pdf
    • http://bilitostart.com/uploads/1/3/0/2/130271128/nidugagepijufenow.pdf
    • http://baltazarsautos.com/uploads/1/3/0/7/130775138/rupik_surudixevin_wijojatiga.pdf
    • http://tnt-design-23.com/uploads/1/3/1/0/131070674/1769106.pdf
    • http://thierryrmontoya.net/uploads/1/3/0/9/130969845/6386054.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_off0000687c.bin
422a71fd69172927607e10d063b16f5653a1cf61f07e3f1da26246e6000dd284		 pdf-font-stream PDF embedded font (sfnt) at offset 0x687C 9732 bytes

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