Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://crewmak.ru/uplcv?utm_term=soal+spmb+uin+jakarta+2018+pdf PDF link annotation

  • http://mothertheresapublicschool.com/userfiles/file/93112258315.pdfIn PDF document text
  • http://lamorenj.com/userfiles/files/sewedopixifigoge.pdfIn PDF document text
  • http://gabortech.com/admin/file/79239931785.pdfIn PDF document text
  • http://pileshoppen.dk/userfiles/file/metob.pdfIn PDF document text
  • http://roland-toys.eu/userfiles/file/jafobetirupasumipim.pdfIn PDF document text
  • https://tecnicadovolante.com/images/file/nefokerijudu.pdfIn PDF document text
  • http://piri-piri.pl/ckfinder/userfiles/files/41797302030.pdfIn PDF document text
  • http://busankid.com/webfiles/board/file///95760701016.pdfIn PDF document text
  • https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/8aa2b427b27caac5341545d527cb6910/gezibo.pdfIn PDF document text
  • http://akicgiyim.com/userfiles/file/jixexojabitop.pdfIn PDF document text
  • http://liebherr-tr.com/userfiles/file/ribuxunidoledegozaxijosig.pdfIn PDF document text
  • http://xn--49s538bo8ux8c.net/userfiles/file/55852375586.pdfIn PDF document text
  • https://cochleartudaskozpont.hu/files/fitawofonixelela.pdfIn PDF document text
  • http://windowsplusllc.com/ckfinder/userfiles/files/86064446909.pdfIn PDF document text
  • https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/1610c95d7db19d---1972353130.pdfIn PDF document text
  • https://projectmine.hu/ckfinder/userfiles/files/naxefaxakuvevajupizorelo.pdfIn PDF document text
  • http://newmob.it/userfiles/files/67912711549.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f45a492c03a---pudepuk.pdfIn PDF document text
  • http://cl-pub.com/files/files/13127686318.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607062dac5cf9.pdfIn PDF document text
  • https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/161270954b7330---45773401514.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/piranumekopimof.pdfIn PDF document text
  • https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/m4nu7sj3598kh33f95lqljrl11/56002311750.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/1d143d34609cbb34b7c55065f8e1353e/nonuvetuzikapemolegi.pdfIn PDF document text
  • http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609472a178cc4---ravobisitol.pdfIn PDF document text
  • 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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