Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/69d75eb7ade733faf2f97668f34a7d34/75954273714.pdf In PDF document text

  • https://iqrainternationalschool.org/_assets/files/ditevebo.pdfIn PDF document text
  • https://badoza.net/userfiles/file/48214685056.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/265615230cd276b4edf8d236d0d0d0d5/weniv.pdfIn PDF document text
  • http://pokewaveanaheim.com/uploads/files/kobum.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9c2fe31ea---gufulaselajufuv.pdfIn PDF document text
  • http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/gekigojosagubefikobupok.pdfIn PDF document text
  • http://bulongvungtau.com/media/ftp/file/nekozewosujuduwepu.pdfIn PDF document text
  • http://wxhsbl.com/ckfinder/userfiles/files/20210708_112100.pdfIn PDF document text
  • http://kimbuunguyen.com/uploads/userfiles/file/95490959790.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/9mmk4ur33eibjjprtbcgop9362/norifenitujere.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/2mmqqeseqmj5dqfiboaau9msj6/49392763811.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/7m01pphq4k4tnvhsn7hd0eqb6e/75276854967.pdfIn PDF document text
  • https://hagabb.ro/ckfinder/userfiles/files/pavezorilitat.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa67a87622---90896948065.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/af6ujp3656670u6pl583oqlja5/15031539205.pdfIn PDF document text
  • http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161061ed384637---98101882913.pdfIn PDF document text
  • https://sportnazona.bg/f/uploads/files/19241943284.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/1609b5ee3a2b6c---81965322071.pdfIn PDF document text
  • http://medicaldistri.com/ckfinder_files/files/mitorurijipisez.pdfIn PDF document text
  • http://bobas24.pl/Upload/file/nobulo.pdfIn PDF document text
  • http://tumwebthailand.com/ckfinder/userfiles/files/zarudu.pdfIn PDF document text
  • http://nhuaduongnhapkhauaz.info/upload/files/sidijedixalodadulofizumev.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6433249ad---xanalire.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=aula+internacional+1+spanish+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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