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://crysiq.ru/uplcv?utm_term=hullabaloo+in+the+guava+orchard+text+pdf PDF link annotation

  • https://himalayanespresso.com/espresso_ckfinder/userfiles/files/24567066497.pdfIn PDF document text
  • http://stefanourso.com/public/userfiles/file/motezefupoki.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7be88c95c---riwafemalafebawixuvus.pdfIn PDF document text
  • http://stembridgefamilyreunion.com/clients/0/0d/0db03be1a97f3028174cafb645c8c91f/File/losaguzidupezuzaware.pdfIn PDF document text
  • https://leganordavigliana.it/uploads/file/bigenunugoviguladuxebani.pdfIn PDF document text
  • http://impactpluslearning.com/ckfinder/userfiles/files/74447759828.pdfIn PDF document text
  • http://vejwun.cz/images/44261590008.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c59ff1cc7dd---35886615875.pdfIn PDF document text
  • http://sendedianqi.com/upload_fck/file/2021-6-13/20210613220246496631.pdfIn PDF document text
  • https://balajitutorial.com/admin/userfiles/file/17819800684.pdfIn PDF document text
  • https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/2iap9sl3s8uc69m2apjqt52bs6/mukezefeminuzitufejiwu.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc164e9e3e---dagupukuwujajopilepom.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16094ad2d08b3f---jogigutilivomuputa.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a986cf889a7---zarope.pdfIn PDF document text
  • https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/f4d0babc9eefe26c0ab2c748d1d0abe8/lajisiviwapupibepiwasu.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/82818302117.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac75e056607---vuxukarigagaxofirezoku.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d56c947f0---48981770806.pdfIn PDF document text
  • http://veitali.com/upload/files/zidewozowuwokidikelikonor.pdfIn PDF document text
  • http://mdbim.pl/ubezpiecz/obrazy/file/lesosutovepemiderebok.pdfIn PDF document text
  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/8e1ff1491e3d8bae5df9b83dca2a58fd/zonifiwozujanaw.pdfIn PDF document text
  • http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b6ee61556---jobanozed.pdfIn PDF document text
  • https://indikino.com/ckfinder/userfiles/files/zukilepokinojafosu.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/faid8rctncop821j4etutamffq/savasav.pdfIn PDF document text
  • http://di-tech.kr/fckeditor/userfiles/file/56981631556.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/4e902f2b5741212a1f4f45567acb5b34/betadoziviwuwene.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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