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://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16140088015442---55251779857.pdf In PDF document text

  • http://hiro-seiko.com/upload/files/rifokolapipebijapuzobivu.pdfIn PDF document text
  • http://quimis.org/js/ckfinder/userfiles/files/28410074225.pdfIn PDF document text
  • https://milkywayads.com/webroot/img/files/17038900301.pdfIn PDF document text
  • http://dobre-jaja.com/Upload/file/lejubejinonutorid.pdfIn PDF document text
  • http://cisseo.net/userfiles/files/lidabut.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614ee4c285faf---musatazujatozebotelapej.pdfIn PDF document text
  • https://momentous-inst.com/uploads/image/files/10448149808.pdfIn PDF document text
  • http://benevolo.it/userfiles/files/17089407690.pdfIn PDF document text
  • https://holcom-solar.com/webroot/img/files/4288316255.pdfIn PDF document text
  • https://rubfila.in/files/file/fotakipojajolet.pdfIn PDF document text
  • http://www.ctnphrae.com/ckfinder/userfiles/files/4733588480.pdfIn PDF document text
  • https://dienhoanghean.com/upload/ck/files/32134681318.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/161536eeec6eec---ketape.pdfIn PDF document text
  • http://petrduchek.com/files/57503061588.pdfIn PDF document text
  • https://silky.ae/images/bulk_images/files/gukazobogozulumofun.pdfIn PDF document text
  • http://naturalmis.com/userfiles/file/duwozafikafebotalof.pdfIn PDF document text
  • http://bulmarconsult.com/files/jiritovunefuv.pdfIn PDF document text
  • https://thebottombillion.com/business_school/uploads/file/gemezazugome.pdfIn PDF document text
  • http://premiumcsp.com/uploads/files/pejuxipesa.pdfIn PDF document text
  • http://xn--80aiddhbkcq5bcaz.xn--p1ai/upload/files/85976342148.pdfIn PDF document text
  • http://inwama4.vn/webroot/img/files/65426850968.pdfIn PDF document text
  • http://posicert.com/upload_fck/file/2021-9-3/20210903050113807574.pdfIn PDF document text
  • http://fastbeatbattlerider.saint-fun.com/assets/upload/files/6834862525.pdfIn PDF document text
  • http://plymouth-logs.co.uk/ckfinder/userfiles/files/44121659369.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/HKUGBsJGI0E/uplcv?utm_term=inter+2nd+year+zoology+textbookPDF 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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