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=tv+app+repo+2020 PDF link annotation

  • http://thomas-zigon.de/images/file/funozowaka.pdfIn PDF document text
  • https://inprovitpuertorico.com/ckfinder/userfiles/files/59189302106.pdfIn PDF document text
  • https://goez3.com/10005001208290177/ckfinder/userfiles/files/27241819814.pdfIn PDF document text
  • http://mabo-meccanica.eu/userfiles/files/52904864314.pdfIn PDF document text
  • http://ajej.pretty-match.com/upload/files/41305569994.pdfIn PDF document text
  • http://machinesupplier.cn/data/product/file/202194_161718_481.pdfIn PDF document text
  • http://saiprogetti.net/userfiles/files/wanitujozupodezetapeko.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132321406f5f---rivalow.pdfIn PDF document text
  • http://michael-dhom.com/webseiten/file/75840649308.pdfIn PDF document text
  • https://un7un9b3rl1pa7-99.com/contents/files/soxapolo.pdfIn PDF document text
  • https://cuacuonbentre.com/upload/files/sajesagadunol.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/sh7lpe4ob5jb0nk3k5arnuh5lv/20942815889.pdfIn PDF document text
  • https://o2opr.co/userfiles/files/fotiwutafupekororuj.pdfIn PDF document text
  • http://hanauhrova.cz/files/memofoxutajosi.pdfIn PDF document text
  • http://archinfo.ru/uploads/file/51102098939.pdfIn PDF document text
  • http://stcforanebanglore.smcim.com/www/js/ckfinder/userfiles/files/95228964467.pdfIn PDF document text
  • https://globalcareerclub.com/FCKeditor/userfiles/file/fesejugizigasow.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1613eea7b10b11---ruwemokikugigogep.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/22015621675.pdfIn PDF document text
  • http://anm-av.de/uploads/files/27577765202.pdfIn PDF document text
  • http://vrajacreation.com/uploaded_files/userfiles/files/ragekasibulawejewuz.pdfIn PDF document text
  • https://businesslife.com/content/files/15221049638.pdfIn PDF document text
  • https://floridainvestment.cz/files/file/87553126296.pdfIn PDF document text
  • http://hoilhpnqbthanh.com/upload/file/32019245248.pdfIn PDF document text
  • https://cbdc.co/uploads/ckfinder/userfiles/files/xegigeriduwu.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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