Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7077223ea301762…

MALICIOUS

PDF

31.8 KB Created: 2020-05-13 10:33:12 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 789ff46b307e35ea194ac04233159aea SHA-1: 29f9b9e7150ea109c84126187baec959377a4901 SHA-256: d7077223ea301762f946527c9cef94e372f2d55c71b28f70283182591c0d4611
62 Risk Score

Malware Insights

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

The PDF file contains numerous external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or SEO poisoning tactic. The document body, though partially corrupted, contains text related to 'lesson plan template for ontario teachers' and references wkhtmltopdf, indicating a lure to disguise malicious links. The primary intent appears to be directing users to potentially malicious websites hosted on domains like marketsquaresp.com and supportbef.com.

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://marketsquaresp.com/uploads/1/3/0/4/130477170/130477170.html#lesson+plan+template+for+ontario+teachers
    • http://supportbef.com/uploads/1/3/0/8/130874384/majigotalel.pdf
    • http://thearmory.io/uploads/1/3/0/4/130436390/6834916.pdf
    • http://solardisinfection.org/uploads/1/3/0/2/130289247/pusogeletene-xabigikobipog-puzagal.pdf
    • http://heavenly-couture.shop/uploads/1/3/0/2/130287311/liranediz.pdf
    • http://voltinovations.com/uploads/1/3/0/7/130738706/gijuvixopo-xaxuladakiva-gerixatiz.pdf
    • http://4cornerscenter.com/uploads/1/3/0/5/130539449/zakumov.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_off000050fe.bin
06384a1ea97870f9191373d670beed95d06e978b04a1a89a350aa1ff68c3800a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x50FE 10324 bytes

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