Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0137cd9da8f0aed…

MALICIOUS

PDF

36.2 KB Created: 2020-03-30 02:24:10 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3fc282962f7f6a54410101ad288f4e1d SHA-1: ca622770207b9e0d3b73d6de48974adad2aac8f3 SHA-256: f0137cd9da8f0aedb2eb6754caf30a7cfd2ed8dcd84595d2762cedf5db7a6944
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links pointing to other PDFs hosted on various domains. This behavior is indicative of a link farm or SEO manipulation tactic, likely intended to drive traffic or distribute further malicious content. No scripts were extracted, and the document body is heavily obfuscated, making it difficult to determine a more specific attack pattern beyond link distribution.

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://www.equestrianeliteatapplejackfarm.com/uploads/1/3/0/3/130313316/130313316.html#science+project+judging+criteria
    • http://outsmart-consulting.com/uploads/1/3/0/7/130738850/ed0f6e.pdf
    • http://evolvecounseling.net/uploads/1/3/0/6/130620573/vunipis-tevikawinelipu-kuziwilozidel.pdf
    • http://oranair.net/uploads/1/3/0/3/130312924/5096722.pdf
    • http://deeptok.com/uploads/1/3/0/3/130313595/546324.pdf
    • http://renewingcovenant.com/uploads/1/3/0/2/130270808/78b3642aa1075c.pdf
    • http://thepharmacysage.co/uploads/1/3/1/0/131070237/gopuvebawepexiziwog.pdf
    • http://anderson-missions.com/uploads/1/3/0/7/130775244/de07682c7c01810.pdf
    • http://fivewaysengineeringhealthsafetyenvironment.com/uploads/1/3/0/5/130589047/lojijobateze.pdf
    • http://mondobaldo.com/uploads/1/3/0/5/130588403/maxere.pdf
    • http://easycompmx.com/uploads/1/3/0/4/130483638/7655464.pdf
    • http://gravity-nightclub.com/uploads/1/3/0/8/130874594/9430145.pdf
    • http://runstrong-ie.org/uploads/1/3/0/5/130588349/3642176.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_off000065cd.bin
93a3c7bd9851a1fd2f919197dbbf90723f8b8cc03105e354c943fc0538b21693		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65CD 7756 bytes

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