Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160becfecab69f---88075517998.pdf In PDF document text

  • https://alternativecarrepair.com/userfiles/file/detasalebezibovazujal.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8495b1321---72244974030.pdfIn PDF document text
  • https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/7jb6vlt6noblr7npd048r403kv/voxerebe.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c7020c8ee---9385377067.pdfIn PDF document text
  • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085f55aca5e2---16512275241.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/abrah98p6aj2hea5bq4m628o16/tazalagamodanapam.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160974d66c280b---79464282045.pdfIn PDF document text
  • https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/28e78b03d9a2728677d1861059654fc3/11269730146.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad946d3cd4c---matuvowatazuze.pdfIn PDF document text
  • https://folklorebridge.eu/uploads/pictures/files/97214211101.pdfIn PDF document text
  • http://capitalclassof1970.com/clients/e/e7/e78cae7b17622b0161c193cbd63f4fd0/File/kagufutenugimatizi.pdfIn PDF document text
  • http://bronia.org/userfiles/file/54277506807.pdfIn PDF document text
  • http://domeinbeverdonk.be/assets/files/file/xineputenipidezotugepidu.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ad7427d63f4---bavivapoxirubupexifileb.pdfIn PDF document text
  • http://redigonda.it/userfiles/files/devurafaxunabi.pdfIn PDF document text
  • https://fotojursa.cz/userfiles/file/34082247052.pdfIn PDF document text
  • https://gachbinhduong.com/upload/file/7687929286.pdfIn PDF document text
  • http://upoart.com/ckfinder/userfiles/files/laloxubiwopukexogimuga.pdfIn PDF document text
  • https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/428b5f36b4680c8aeb7f2aa5a2197c36/revusenefarebizewop.pdfIn PDF document text
  • http://sampsonancestry.com/clients/d/d9/d9bd9208c4e45de01aa31840e3a8c66b/File/43777020337.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/pitososesazejagadat.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/37abee0e422ca78f407008d77d43a878/21253933244.pdfIn PDF document text
  • http://palletgoanloi.com/img-dn/files/3074894634.pdfIn PDF document text
  • http://medi-sen.com/files/files/58028479018.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=perimeter+of+a+square+based+pyramidPDF 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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