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://inwebjor.ru/uplcv?utm_term=stilton+blue+cheese+nutrition+facts PDF link annotation

  • https://aradovan.com/userfiles/file/6358840019.pdfIn PDF document text
  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/409abcf297bb0b9d3dd208d89ad76b1b/93478002761.pdfIn PDF document text
  • http://cherryontop.pl/upload/fotki/file/70544977450.pdfIn PDF document text
  • http://www.bluewhaleline.com/image/upload/File/resepamidu.pdfIn PDF document text
  • http://all-vehicle.net/js/upload/files/59678111307.pdfIn PDF document text
  • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/8307a3ac074e1d4210ddd3281054f966/23414218716.pdfIn PDF document text
  • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab4e0225c5---5408318738.pdfIn PDF document text
  • https://dreamscapes.ca/dream_scapes/userfiles/files/sewugebizozawipowuvitiv.pdfIn PDF document text
  • http://capableapp.com/uploads/files/sajepafisivit.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160818e2eb052b---kigob.pdfIn PDF document text
  • http://ty-universe.com/image/files/20210606_151000.pdfIn PDF document text
  • http://tlxzkj.com/uploads/file/151911371881.pdfIn PDF document text
  • https://binhvi.com/upload/files/mikufo.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/nasawaribazibawarul.pdfIn PDF document text
  • http://sakaryakasaplarodasi.org/userfiles/file/37617227256.pdfIn PDF document text
  • http://candybeauty.vn/upload/files/debowudurasu.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/f3ece897853cf7ab534fac5d9f092f39/90025743778.pdfIn PDF document text
  • http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/47dd618710274f0b13c8aad262fb53e8/83301881964.pdfIn PDF document text
  • https://soudurelauziere.com/upload/editor/file/kozokupikanijixun.pdfIn PDF document text
  • https://deshpanday.com/ckfinder/userfiles/files/33466517886.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/aldlcd4ssi4b7ft25ae10m92gm/denerawaxaxizu.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160bfe1f2a3b5a---19986039791.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609978a3bfcb4---23241670933.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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