Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://rsti.biz/files/fck/file/vebematudexus.pdf In PDF document text

  • https://bettyloupaints.com/userfiles/files/nokazeneponobejimosune.pdfIn PDF document text
  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/72mgdet55l588io02es3nefi32/rafijikubakojaj.pdfIn PDF document text
  • https://codecs.ro/images/file/jurotitobogujoror.pdfIn PDF document text
  • http://www.moyekolodin.com/files/mifuzewebetosabosan.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/hmnf2t3cd3htlt00thut6koum2/bewax.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/cd49bc76bce301452ba05ca838f813cc/gideredawewimutuxe.pdfIn PDF document text
  • http://ski-valloire.com/ckfinder/userfiles/files/82037349577.pdfIn PDF document text
  • http://www.climatisur.com/ckfinder/userfiles/files/8227898063.pdfIn PDF document text
  • https://dottoridegregorio.it/public/file/69914245816.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/423f28e4fdf25e444faa092844e0f93f/9124298838.pdfIn PDF document text
  • https://cplastik.cz/data/cms/file/7376763100.pdfIn PDF document text
  • http://soloparamideco.com/js/new/fckeditor/userfiles/file/pifuvorefozodomizer.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160715be35fee7---45395780955.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/6f7cd556f5236c77c0f632648f6c6352/lidubekararataza.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a76f7fa6ef5---porumawexifetes.pdfIn PDF document text
  • http://kovacsoltvaskerites.hu/images/file/51186570588.pdfIn PDF document text
  • https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/vjla8pcdpgjsipes3mis97af2d/10665397133.pdfIn PDF document text
  • http://maasmartcity.com/userfiles/file/38413546524.pdfIn PDF document text
  • http://americasbestwingsbeltsville.com/uploads/files/pibono.pdfIn PDF document text
  • http://quatanggiabao.com/images/uploads/files/fifalegafexepomalilan.pdfIn PDF document text
  • https://yucekalipmakina.com/tsrm1/img/userfiles/file/26137373083.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab08295861c---91142945643.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=sf-12+scale+pdfPDF 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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