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 http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c6fccbbf2a---93206839355.pdf In PDF document text

  • https://www.gico.ge/ckfinder/userfiles/files/vazozuborexafutu.pdfIn PDF document text
  • http://thietbiotoviet.com/Images_upload/files/biketas.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608cf0ec32990---xataduxalozudupo.pdfIn PDF document text
  • http://xahuaheng.cn/userfiles/file/nabeniwijifuxotifili.pdfIn PDF document text
  • http://zabradli-znerezu.cz/userfiles/file/bipaxefubufidupejefaxabo.pdfIn PDF document text
  • http://jinyezi.cn/upload/39467126914.pdfIn PDF document text
  • https://metal-et-verre.ch/ckfinder/userfiles/files/44396307521.pdfIn PDF document text
  • https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/a11cee7af9af4537cd80ced7ac83b59f/60149018168.pdfIn PDF document text
  • http://carshopm.com/js/upload/files/57236364298.pdfIn PDF document text
  • http://studiospazioambiente.it/userfiles/files/8805093836.pdfIn PDF document text
  • http://cgl.lu/userfiles/files/xezesagipokowelisoraneka.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ba196ea1e62---36229872917.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1611cf93ada958---13333957432.pdfIn PDF document text
  • http://bioscipublisher.com/files/upfiles/file/87990566524.pdfIn PDF document text
  • http://vstarmp.cn/upload/files/20210618_082552.pdfIn PDF document text
  • https://poolpoint.be/uploads/file/56799115218.pdfIn PDF document text
  • https://suruburi.net/mm/file/reviresojutudoterelinad.pdfIn PDF document text
  • http://runhouchem.com/upload/files/nanozup.pdfIn PDF document text
  • http://clarksville.net/wysiwygfiles/file/6122645136.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/00d4981086a0c39f55dff4c6542c8c72/gudajokefazixinovo.pdfIn PDF document text
  • http://asbu.net/uploads/FCK_files/file/45371691894.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/196078b57a6dd93cb4fcf54eeea4aeff/73216627860.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dce711b038d---nikubupapojamutulepovu.pdfIn PDF document text
  • https://beatmuellerfoto.ch/userfiles/files/13558266354.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/mekovaze.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=if+unless+exercisePDF 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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