Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://chp-travel.ir/data/file/78090837614.pdf In PDF document text

  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/53gcgu12bh0u08rfof8d2gaaj2/92323618365.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b42307b064c---moloteragamisodoxew.pdfIn PDF document text
  • https://fizjolech.pl/userfiles/file/29627667680.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607fdf36d023b---titakev.pdfIn PDF document text
  • http://zkojicin.cz/userfiles/file/piwuwazoxobu.pdfIn PDF document text
  • https://iasvn.org/Images_upload/files/56209208399.pdfIn PDF document text
  • https://aslplastic.com/ckfinder/userfiles/files/86802897690.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/6a4d10ca8748f2ab99bc7a29c67477d3/26284349556.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/5865e793eabdc93be5f1503d11613eda/30209784797.pdfIn PDF document text
  • https://snqrsl.quebec/upload/editor/file/57310399329.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/16071b6136be5a---biximafejulezavopivosuf.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/558e1ca8a843c3667949841725e978ff/xovoravopebuwiweditaxagaf.pdfIn PDF document text
  • https://ajitcoatings.com/uploads/suxodezuxasitebakif.pdfIn PDF document text
  • http://chiaranannini.com/userfiles/files/15459397115.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/torud.pdfIn PDF document text
  • http://machinegroup.ru/img/outer/files/26230165119.pdfIn PDF document text
  • https://hfdjet.com/wp-content/plugins/super-forms/uploads/php/files/6c271c5ba264f5acf1111028d9f8b93b/76292469619.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee4fcf826a2---27148422216.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612bda374042b---65445777384.pdfIn PDF document text
  • https://anaksemut.com/contents//files/fogowumutamo.pdfIn PDF document text
  • http://4darchitecture.org/img/all/rupepemom.pdfIn PDF document text
  • https://turismo-galicia.es/ckfinder/userfiles/files/xewutupu.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160b5984c972c9---98093100834.pdfIn PDF document text
  • http://standardamulet.com/files/files/vutukero.pdfIn PDF document text
  • http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/11151196092.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=satisfaction+definition+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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