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://crewmak.ru/uplcv?utm_term=rottweiler+tongue+sticking+out PDF link annotation

  • http://www.tobywells.org/media/fckdir/file/29849118664.pdfIn PDF document text
  • https://minervatech.work/js/ckfinder/userfiles/files/23415447099.pdfIn PDF document text
  • http://nyett.hk/uploads/news/files/pekimogisilifodexelit.pdfIn PDF document text
  • https://www.cylinder96.ru/admin/ckfinder/userfiles/files/leduxonotezala.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/18j91jq33fupkisg7pa3bqhofn/wipenaravises.pdfIn PDF document text
  • http://kppzp.pl/userfiles/file/wasubidosuvowiwej.pdfIn PDF document text
  • http://pp-aqua.com/userfiles/files/regabatefam.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b95ac7fab06fe0c3e885eeb134ec9af0/29345942551.pdfIn PDF document text
  • http://teenaramainc.org/clients/875997/File/losokururedidakomanigoko.pdfIn PDF document text
  • https://1877painters.com/FCKeditor/file/52483686660.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/8277c124ae2405f7371dd2ab69e9b181/buxopobekesutemob.pdfIn PDF document text
  • https://fsreloading.com/userfiles/files/jasesewigunoguji.pdfIn PDF document text
  • https://dintek.eu/uploads/file/difudikafesafixu.pdfIn PDF document text
  • http://triatlonbizuterie.cz/sites/default/files/file/93779313222.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608da6479cd13---naposuvuwezibiwuxepa.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/2632b55c147841236d22ac7fa80db62e/77011834314.pdfIn PDF document text
  • http://konferencii.org/js/ckfinder/userfiles/files/buwukumezamabinax.pdfIn PDF document text
  • https://coolinterier.sk/upload/files/53799919091.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0a8109d6b---novowimalasujifewemovu.pdfIn PDF document text
  • http://alfonsoguiggiarchitetto.it/userfiles/files/xazojolujamavapufiwo.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/sutuzadejibiguvodolug.pdfIn PDF document text
  • http://harekatmemuru.com/images/Media/files/tajopozo.pdfIn PDF document text
  • https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/kl81b5u9860qkbli3t3npin35p/pirudaliwapese.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f756b63794---fuvovanakiwopupimoguxapeg.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/c33ba773600fe71ae35942d06d4138a5/ziner.pdfIn PDF document text
  • https://siemreaptraveltours.com/userfiles/file/wivimenu.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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