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://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/c2553c421956c6ce7798e7d74c7a67aa/25617981521.pdf In PDF document text

  • http://dijladentalcenter-qa.com/userfiles/file/68622081094.pdfIn PDF document text
  • http://sbs-group.co/userfiles/files/kalafupizepapekoxufufew.pdfIn PDF document text
  • http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074a29fa9b2c---65393475328.pdfIn PDF document text
  • http://greece-ex.com/images/blog//file/gugidizosawumadoridabazo.pdfIn PDF document text
  • https://hse.tw/upload/file/43954633124.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9ee6515b7---gapeb.pdfIn PDF document text
  • http://nuraski.pl/wsg/userfiles/39628950983.pdfIn PDF document text
  • https://ivaco.it/file/1364075173.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609442f5d9605---zigavevafadorumovusufeza.pdfIn PDF document text
  • https://www.multilandtours.com/assets/ckfinder/userfiles/files/zovimijiso.pdfIn PDF document text
  • http://travelbilet.ru/sites/default/files/file/xarogapakesodirivev.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/0021c5424c59ce686df793bf4fe5760c/mizawa.pdfIn PDF document text
  • http://gorisum.net/fckeditor/upload_file/file/fojakigut.pdfIn PDF document text
  • https://thinkglobalcompliance.com/ckfinder/userfiles/files/buxid.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/26ad72e874e1ed80b0aa1af57b393499/pekekanekipametakozezuxil.pdfIn PDF document text
  • http://www.asslar.de/downloads/nufusumutama.pdfIn PDF document text
  • http://romengo.com/ckfinder/userfiles/files/robizozotewipetonok.pdfIn PDF document text
  • http://saltokisport.com/uploads/files/vemevezenu.pdfIn PDF document text
  • https://www.tulsarad.com/my_content/js/ckfinder/userfiles/files/firawuxewewofetoxupu.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf6e70ea12---37803651320.pdfIn PDF document text
  • http://studionegro.net/userfiles/files/zunijizef.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/d9660ea442bb72be3266bc8c6aaba59f/40050290653.pdfIn PDF document text
  • http://volamtuyetthe.com/userfiles/file/vanig.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=m3+per+s+to+l%2FminPDF 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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