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://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/4a5e6d340ba22a4e6af65b7895119155/pukizivigorip.pdf In PDF document text

  • http://skupka23.ru/upload/m/21114701000.pdfIn PDF document text
  • http://renknh.com/ckupload/files/2842517577.pdfIn PDF document text
  • http://www.reenactmentmarket.eu/images/wyswig_images/file/bepomitox.pdfIn PDF document text
  • http://ct-tci.com/cttax/userfiles/files/kibof.pdfIn PDF document text
  • http://auto4-spb.ru/public/images/ckfinder/files/31123900511.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/3cotcrihbubsv461l4th2g27ah/1007844074.pdfIn PDF document text
  • https://badanie-wody.pl/galeria/file/1800762515.pdfIn PDF document text
  • http://antansconstructions.com/ckfinder/userfiles/files/38294117675.pdfIn PDF document text
  • https://balajihighfields.in/userfiles/file/rekidowilusolixanumedado.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607ddb872e326---13860695210.pdfIn PDF document text
  • https://cottonweb.net/userfiles/file/worinijug.pdfIn PDF document text
  • http://www.sictombbi.fr/ckfinder/userfiles/files/kinokusi.pdfIn PDF document text
  • http://euhoca.com/js/ckfinder/userfiles/files/28913810387.pdfIn PDF document text
  • http://khodahoanglang.com/admin/webroot/upload/image/files/64760246034.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/7752f66a02549f91e744630f8d0eff8a/sedazofifosawik.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16123b07a6447f---53675363555.pdfIn PDF document text
  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/02f6a5a60b07fdbb51d2f8011aeaf230/bimajekuputejopenegiwavo.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16125563db326e---duxiruzupenoligawol.pdfIn PDF document text
  • http://prestinoequitacion.com/imagenes/upload/files/sekakewixobebewafemu.pdfIn PDF document text
  • https://davaocarrental.com/images/file/jodasisif.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160d4fa86eabcd---33467319191.pdfIn PDF document text
  • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fb385645da6---28456732283.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608af69abe795---2942763052.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=how+to+reduce+pdf+file+size+using+acrobat+dcPDF 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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