Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=kindle+owners+lending+library+android+hack PDF link annotation

  • http://oldadmin.k12cart.com/media/files/vutosovalonabokugedenalas.pdfIn PDF document text
  • https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613534f6c4a47---fadij.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161300a6deb4e6---29868567110.pdfIn PDF document text
  • http://tce.vn/imagesflashupload/file/79565163930.pdfIn PDF document text
  • http://xn--b1amishc2fb.xn--p1ai/ckfinder/userfiles/files/97527141787.pdfIn PDF document text
  • http://gopherandsquirrelcontrol.com/admin/images/file/fipugadupususa.pdfIn PDF document text
  • http://autoscuolemontagna.it/userfiles/files/89912684573.pdfIn PDF document text
  • http://penzionnakrizankach.cz/ckfinder/userfiles/files/jujibenudibezuwan.pdfIn PDF document text
  • http://thietkewebbacninh.com/webroot/img/files/lifevikoto.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/f0f848409ff496e21a90bdf2b93e94c9/18083509487.pdfIn PDF document text
  • http://freetds.net/userfiles/file/nafuvaju.pdfIn PDF document text
  • http://fusen-es.info/yamituki-n/uploads/files/kewifufusivolonud.pdfIn PDF document text
  • http://idrogastermoclima.it/Utentifile/FCKPage/file/zolugifegenafakatotuve.pdfIn PDF document text
  • https://laetitiabernard.fr/images/file/16759015624.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/ao38jcnio496vk896g6c5j0n1j/vowiwexuv.pdfIn PDF document text
  • https://latework.cz/soubory/77498516764.pdfIn PDF document text
  • https://mar3ol.com/Files/files/molik.pdfIn PDF document text
  • http://woykoff.hu/upload/file/muterubobejemebonet.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613425846c4db---72690630328.pdfIn PDF document text
  • http://cateringkieuan.com/uploads/userfiles/file/53631297998.pdfIn PDF document text
  • https://www.pollackmihalyiskola.hu/ckfinder/userfiles/files/41083633446.pdfIn PDF document text
  • http://ateliergermain.net/sites/default/files/file/nubofokalur.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/1c5f437d6eebee3d1d9d76a34927b37a/raruzetopum.pdfIn PDF document text
  • http://dok-vo.ru/userfiles/file/10054952720.pdfIn PDF document text
  • http://defhjdrjioo.friend-match.com/upload/files/19530268013.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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