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://medvor.ru/uplcv?utm_term=puntos+de+auriculoterapia+para+adelgazar+pdf PDF link annotation

  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/83eb2adc5d3ca6b6d1a32d0b3a8c7b3b/dopibojesuberoz.pdfIn PDF document text
  • https://clinicamanila.com/ckfinder/userfiles/files/pimowadaxupazalase.pdfIn PDF document text
  • https://thinkglobalcompliance.com/ckfinder/userfiles/files/mowutu.pdfIn PDF document text
  • http://vuoncotichdep.com/upload/files/70087953881.pdfIn PDF document text
  • http://pnktools-th.org/ckfinder/userfiles/files/39196936671.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/75beae8d60c6251d5642348bb3e8b34b/pixog.pdfIn PDF document text
  • http://denki-shonan.com/uploadsfile/15166581759.pdfIn PDF document text
  • http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/4olamif9c0qqsi2knh2a3scei3/tugokuxigezad.pdfIn PDF document text
  • https://daquin-ferriere.fr/userfiles/file/durimujetufiguku.pdfIn PDF document text
  • http://chrisdepanneservices.com/Sites/cds/files/legukoziwanidixal.pdfIn PDF document text
  • http://jpind.pl/userfiles/file/13848876573.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ffdecde20a4---29809813918.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/22384eb443d6d7b29876db12bdfd47ee/58443334239.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e31dc896d2.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/64180812460.pdfIn PDF document text
  • http://slippersymposium.com/clients/875641/File/83348613973.pdfIn PDF document text
  • http://bezagsecurity.cz/userfiles/12011854589.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160820ed9961e8---23774531900.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a15fd6cfda0---xuwoduti.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160943e19bd184---99068988594.pdfIn PDF document text
  • http://nanumed.ro/uploads/files/didinoxajilapema.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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