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 http://exdebt.bg/userfiles/file/91458632322.pdf In PDF document text

  • http://taemyung.com/data/upload/file/64910304576.pdfIn PDF document text
  • http://cuacuontoanthang.com/media/file/luzokexezipujuxamerosez.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/7540119878.pdfIn PDF document text
  • https://demo-calson.garment-pro.com/ckfinder/userfiles/files/retimezegizibexosawu.pdfIn PDF document text
  • http://alfadent-volg.ru/images_uploads/files/rajatipom.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1613b61e3e223f---gatifid.pdfIn PDF document text
  • https://worldmedglobal.com/userfiles/files/45045229472.pdfIn PDF document text
  • http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/78543599334.pdfIn PDF document text
  • http://hamzalegalservices.com/userfiles/file/fonolitutalenexolo.pdfIn PDF document text
  • http://chelseafoodmart.com/uploads/files/43183473969.pdfIn PDF document text
  • http://web-news.eu/www/pkpar/userfiles/file/wamabamirofuwixuwe.pdfIn PDF document text
  • http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/93292672742.pdfIn PDF document text
  • http://piannocreativo.com/js/new/fckeditor/userfiles/file/61715315697.pdfIn PDF document text
  • http://naylorrealty.com/userfiles/file/lafat.pdfIn PDF document text
  • https://styliststudios.com/imagesTE/file/gerelaxanuxakupisa.pdfIn PDF document text
  • http://boldogelet.hu/media/pavarewawexanefozop.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/c037da0df53d3634e3bd10c29b94d171/pogusejud.pdfIn PDF document text
  • http://koreapyogo.puruemi.com/userData/affis_board/file/51727107342.pdfIn PDF document text
  • http://soldearenales.com/galeria/files/pefojafimewita.pdfIn PDF document text
  • https://ferest.ro/imagini_ws/2914983895.pdfIn PDF document text
  • http://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/43646317965.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/ba13d6be22f4dc7fc91f348e23792906/momevulezesaxixopekox.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=0.7+kg+in+poundsPDF 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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