Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6764773a4065a14…

MALICIOUS

PDF

43.7 KB Created: 2020-04-09 20:47:01 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 90ca5aebaec85052179a547a85958401 SHA-1: f3e33197bb8105965688865334ea7db6c3069cb9 SHA-256: a6764773a4065a1428ac911a89396919876ddafc77047fea2284bc67b0729dba
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, a technique often used for SEO manipulation or to distribute malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, indicating the document's primary purpose is to redirect users to a network of potentially harmful websites. No scripts were extracted, limiting the analysis of direct payload delivery 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://whatthehulla.org/uploads/1/3/0/5/130539099/130539099.html#five+dysfunctions+of+a+team+field+gu
    • http://epc-energiedeskundige.net/uploads/1/3/0/7/130775471/fivad-zalefulewuniju-zalafosul.pdf
    • http://scotlandcp.com/uploads/1/3/1/4/131453459/sofirefonotisow.pdf
    • http://traceysartglass.com/uploads/1/3/1/4/131437607/86595899.pdf
    • http://stephaniefranco.com/uploads/1/3/0/7/130775724/terasorilupa_ruvinumari_somum_tavelezenenanut.pdf
    • http://afsdocs.com/uploads/1/3/0/6/130621683/jewevolatezan_jurupuvoxuti.pdf
    • http://ehplumbingllc.com/uploads/1/3/0/2/130272241/8459f06019.pdf
    • http://shakingsheep.com/uploads/1/3/1/3/131381003/3068081.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_off000081b6.bin
60c723340c6f60b415ac554e017eae56ba43cab417c7407a5567470fb6b1b989		 pdf-font-stream PDF embedded font (sfnt) at offset 0x81B6 8388 bytes

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