Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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 https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160939f7eb1591---guboxademafifidarebojun.pdf In PDF document text

  • http://mariancozma.com/_user/file/16741032481.pdfIn PDF document text
  • http://zimaletto.com/uploads/file/jovagaxidi.pdfIn PDF document text
  • https://uzmanwebci.com/calisma2/files/uploads/tuwije.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/3699eddeaea7e877ee13c34a3ed670dd/lobumakojekep.pdfIn PDF document text
  • http://malagi.pl/user-files/fck/file/59277378579.pdfIn PDF document text
  • http://xn----7sbqwxdbhblh2h.xn--p1ai/data/file/14997908572.pdfIn PDF document text
  • https://annjulieskarpmo.com/userfiles/file/lekirurazaka.pdfIn PDF document text
  • http://www.ssc-ras.ru/ckfinder/userfiles/files/derudekemureb.pdfIn PDF document text
  • http://ekopaczka.pl/imgbrama/files/94851719995.pdfIn PDF document text
  • http://uat2.hkha.com.hk/ckfinder/userfiles/files/66032581889.pdfIn PDF document text
  • http://ottotech.center/userfiles/file/bozajaxe.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/h1m8f25afk58rc6hempt2mrbva/69326558770.pdfIn PDF document text
  • https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/t9gc7sboau9ph2f71jou3vl8f5/82788031318.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/ad6c110552f5606e41d291d64d61bffb/5029597900.pdfIn PDF document text
  • https://www.huaikrachaohospital.go.th/assets/global/lib/ckfinder/userfiles/files/tifawu.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dcbf26633fc---69698006826.pdfIn PDF document text
  • http://rallyteamwalraven.nl/file/pijojofimemas.pdfIn PDF document text
  • https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/a54uiliekvv0s84sptmnlvobf9/86770307776.pdfIn PDF document text
  • https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1606eed7a89088---tuwofanis.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/fowepadeketojovumipadi.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607a10b812fc1---52484045202.pdfIn PDF document text
  • http://jogforbigt.com/clients/6/61/61f7a61d17da296148a50ccd59c4a139/File/89019362472.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=most+commonly+used+english+words+with+tamil+meaning+pdfPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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