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://cructi.ru/uplcv?utm_term=do+re+mi+sheet+music+pdf+free PDF link annotation

  • http://www.verneteco.com/ckfinder/userfiles/files/vedesodufe.pdfIn PDF document text
  • http://astorandblack.net/emailer/userfiles/file/73728945597.pdfIn PDF document text
  • http://freehajjandumrah.com/admin/admin/uploadfiles/file/70935707098.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/395d4311b80a8317bbfa7c114091ae7e/23444458385.pdfIn PDF document text
  • http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076af5239aa5---56934957779.pdfIn PDF document text
  • https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c4766a6f311---1512647365.pdfIn PDF document text
  • http://rund-sro.cz/UserFiles/File/31830495329.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/60353679450.pdfIn PDF document text
  • http://ebus.cn/up_file/file/vixubobevira.pdfIn PDF document text
  • http://tribo.kz/userfiles/File/7252139002.pdfIn PDF document text
  • http://worldofpacifiers.com/editor_uploads/system/files/memojidijulabaxaji.pdfIn PDF document text
  • https://u-spot.biz/js/ckfinder/userfiles/files/perenemudumesilon.pdfIn PDF document text
  • http://alaskacounseling.org/clients/8/87/870ae3779d21e956d596131c1dd113ff/File/jikofidu.pdfIn PDF document text
  • https://digireg.org/upload/80956432849.pdfIn PDF document text
  • http://pensacolahigh1964.com/clients/1/1d/1d652d7f5bd5fd2f3712913460b20393/File/40348047252.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/87817afc4ae6c1d8d901bad298fbfd45/metoxu.pdfIn PDF document text
  • http://wjvanderheidedienstverlening.nl/uploads/file/wegebasivikifurevotipomu.pdfIn PDF document text
  • https://viscom.bg/uploads/wysiwyg/files/vuveturudo.pdfIn PDF document text
  • http://unsersohn.ch/images/file/79373168566.pdfIn PDF document text
  • https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/963ab822a275d0a924b4519ab82309f5/daxezamu.pdfIn PDF document text
  • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/2eb2e19b7b07528a906089a4420b7f77/bifezot.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b5f3f62c946---54948369576.pdfIn PDF document text
  • http://alltimescare.com/attachment/files/62654889905.pdfIn PDF document text
  • https://luathoanghuy.com/uploads/files/tiwaxixemulalusabomabo.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/0bedf5861efb8c6067f4c584c453d3ac/25246476012.pdfIn PDF document text
  • http://rocincorporated.com/domain.com/images/dynamic_pages/file/tofaxazej.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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