Malicious PDF — malware analysis report

Static analysis result for SHA-256 5313403f168dac6f…

MALICIOUS

PDF

50.3 KB Created: 2020-04-02 01:11:01 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4eb5d188783c7a6b1734390b26752341 SHA-1: 04717777ca002221cfd72839f0a43c822990ec27 SHA-256: 5313403f168dac6f6b9552692b6b37fa9bc7e85ba5ac9f66bbc3f27746beca74
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, many of which point to other PDF files on different domains. This behavior is indicative of a link farm designed to manipulate search engine results or distribute malicious content. The primary URL found in the document body, http://premierropeaccessmanagement.com/uploads/1/3/0/5/130540026/130540026.html#que+significa+el+petroleo+brent, is part of this link farm. No scripts were extracted, limiting the analysis of direct malicious actions.

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://premierropeaccessmanagement.com/uploads/1/3/0/5/130540026/130540026.html#que+significa+el+petroleo+brent
    • http://reallifelearn.ca/uploads/1/3/0/8/130813658/2345933.pdf
    • http://dangerouslydriven.com/uploads/1/3/0/5/130543539/xegezijivivurup-vanazur-tagodun.pdf
    • http://carolinabenefitsagency.com/uploads/1/3/0/4/130435978/wuxegejuwevudex_xuvak.pdf
    • http://plussizebridaldressesnh.com/uploads/1/3/0/3/130323148/fizaxunafuwip.pdf
    • http://wagonwheelproductions.com/uploads/1/3/0/6/130621383/fawam.pdf
    • http://portlandyouthguitar.com/uploads/1/3/0/3/130323339/0acbc72e.pdf
    • http://worldwidejewishdating.com/uploads/1/3/0/6/130639801/gufuzuzozapojomegas.pdf
    • http://truebluewealth.com/uploads/1/3/0/6/130639853/bovidutef_bugupi_bajifatasega_rifozizine.pdf
    • http://psychcasting.com/uploads/1/3/0/6/130604509/a82808a314.pdf
    • http://viabahia.net/uploads/1/3/0/5/130539107/1c7da38.pdf
    • http://ideac.cl/uploads/1/3/0/3/130379458/dololuzupipize.pdf
    • http://lisascreationsllc.com/uploads/1/3/0/8/130874170/2a0235b.pdf
    • http://madisontrees.com/uploads/1/3/0/6/130621622/62a78.pdf
    • http://kaiathoreson.com/uploads/1/3/1/3/131398493/fatobopaji_donisutixoka_gugukanopupevo.pdf
    • http://homeawayconciergeteam.com/uploads/1/3/0/7/130775222/dokikubos.pdf
    • http://winningedgegaming.com/uploads/1/3/0/8/130814863/kebagubirawevoze.pdf
    • http://maranathabtr.org/uploads/1/3/0/2/130289774/razusizezow.pdf
    • http://driveintrucksalvage.net/uploads/1/3/0/5/130543568/bovixobakel.pdf
    • http://mta-sts.mx.valerianaq.com/uploads/1/3/0/7/130775395/8b86b9601d4.pdf
    • http://kzoobalance.com/uploads/1/3/0/7/130776674/dotefepuzis.pdf
    • http://email.capecoralchamber.com/uploads/1/3/0/6/130639107/fa10b99a3dc7f5f.pdf
    • http://rosemarysaromatiking.com/uploads/1/3/0/6/130639891/f98d8da1.pdf
    • http://appbinc.com/uploads/1/3/0/3/130379319/sibenax-dumesilubuz-luwib-bobanijobib.pdf
    • http://okrecyclingsolutions.com/uploads/1/3/0/9/130969813/riresamegukotop.pdf
    • http://3737beemanwilliamston.com/uploads/1/3/0/5/130538987/xulizubido_biwedepotemof_wojubefodika_pegan.pdf
    • http://appbinc.com/uploads/1/3/0/3/130379319/sibenax-dumesilubuz-luwib-bob
    • 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007932.bin
74c2e3274c1a507c1a82931f8f571c06bb241430c2de68d854efce7703e408a7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7932 9844 bytes
font_01_sfnt_off00009c72.bin
e91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9C72 2652 bytes
font_02_sfnt_off0000a5d9.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA5D9 16036 bytes

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