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 https://irlanc.ru/uplcv?utm_term=program+manager+widget+android PDF link annotation

  • https://www.hemingway.bg/app/templates/js/ckfinder/userfiles/files/50807368074.pdfIn PDF document text
  • http://kaymccarthy.com/immagini/file/17600764565.pdfIn PDF document text
  • http://www.physedu.in/newsite/userfiles/files/49292204037.pdfIn PDF document text
  • http://yevres.fr/ckfinder/userfiles/files/dosufavogiruf.pdfIn PDF document text
  • https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/197769ab42dd9b69de6e7357bb06d799/lesixutanizikobisebofa.pdfIn PDF document text
  • http://bahtiyardishekimi.com/fckfiles/file/61184654769.pdfIn PDF document text
  • https://glory-aqua.com/userfiles/file/13757004920.pdfIn PDF document text
  • http://leton.pl/userfiles/file/benujisu.pdfIn PDF document text
  • https://nutrishop.in/ci/userfiles/files/87872664149.pdfIn PDF document text
  • http://hoadon-dientu.net/images/files/37654750535.pdfIn PDF document text
  • http://wonsakai.com/uploads/files/satajoropiremoniloderile.pdfIn PDF document text
  • http://www.salac.cz/ckfinder/userfiles/files/87457023577.pdfIn PDF document text
  • http://sasolution.kr/userfiles/file/92107484356.pdfIn PDF document text
  • https://kuraniterbiye.com/resimler/files/84163185187.pdfIn PDF document text
  • http://www.galiantsolutions.com/emailimages/file/28692121138.pdfIn PDF document text
  • http://compagniaviaggi.gattinonimondodivacanze.it/themes/userfiles/files/77637943032.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/12099253218.pdfIn PDF document text
  • http://tygodnikzuzlowy.pl/ckfinder/userfiles/files/wiraxevisejudifotimede.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139b57f6f580---54680302266.pdfIn PDF document text
  • http://mijinmotor.com/fckeditor/userfiles/file/zutiwuramajavatufojajur.pdfIn PDF document text
  • http://shacklefordlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jenef.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141901611c97---36633090085.pdfIn PDF document text
  • http://conhantaoankhanh.com/webroot/img/files/botulufu.pdfIn PDF document text
  • https://manajrgvaaradhi.com/cms-uploads/files/92281616215.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135866791478.pdfIn PDF document text
  • http://ecme.site/2015/vat/upload/files/xavuzegigepukadadofirozu.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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