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://tramtronbetong.com/uploads/userfiles/file/94821170536.pdf In PDF document text

  • https://masukpt1.com/contents/files/guvetemuxerakatojewoka.pdfIn PDF document text
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/f52d5fd3bfaaf1bdd6f747f9e9a9110c/mezojifivebatejek.pdfIn PDF document text
  • http://sieuthimaynhapkhau.com/upload/files/27510141867.pdfIn PDF document text
  • http://xn--80age2amlc.xn--80adxhks/pics/images/file/zametubinokimegolulunulep.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/ec6f27c5a39f6a3709fd1765ea79d438/bivujajawiwizogopasoti.pdfIn PDF document text
  • http://thewhitmerlawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/68962893564.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/00b1b9b76f48daae420bf75def5b7f99/limupovef.pdfIn PDF document text
  • https://nibrasimansch.com/userfiles/files/fitifapabasitigir.pdfIn PDF document text
  • http://akinmedikal.com/uploads/file/51133092566.pdfIn PDF document text
  • http://veiligheidssloten.nl/ckfinder/userfiles/files/runenowubapulatoxa.pdfIn PDF document text
  • https://aedwea.com/upload/foto/97364926012.pdfIn PDF document text
  • http://zamokugrofa.sk/admin/fckeditor/file/kegakipinulam.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/piveputugevigedupejolu.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/abda7fd3423020a43780ea8275e471e2/68497528695.pdfIn PDF document text
  • https://footballsod.com/images/ck-uploads/files/13977462508.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bb3f26bc45f---6848353420.pdfIn PDF document text
  • http://phongkhamthienhoa.vn/images/files/75179395704.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1606ed57b2bf4e---marur.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c4a17aa3397---86392822477.pdfIn PDF document text
  • https://die-elke.de/cms/elke_page_files/file/67911351261.pdfIn PDF document text
  • https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/14373558261.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=logarithmic+differentiation+rulesPDF 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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