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://laborke.ru/uplcv?utm_term=android+tv+clear+cache+app PDF link annotation

  • http://jvcc.cn/ckfinder/userfiles/files/210907060216502227hlhnx.pdfIn PDF document text
  • http://www.prakashirrigation.com/uploads/fck/files/71911182038.pdfIn PDF document text
  • https://bharatiyabhashaparishad.org/ckfinder/userfiles/files/wepurikim.pdfIn PDF document text
  • http://asirakademi.com/resimler/files/56728459908.pdfIn PDF document text
  • http://hanabi-la.com/uploads/files/toxulezopekafenukokat.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135533d9f93d---52396255497.pdfIn PDF document text
  • http://sibaco.ru/ckfinder/userfiles/files/3795539087.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/3eaa3a79e34ea4d2e3f8d41239e86b63/widejepenifapoti.pdfIn PDF document text
  • https://thietbivesinhsonhoa.com/webroot/img/files/bumudapikoboweleputudofeb.pdfIn PDF document text
  • https://lmbri.com/WYSIWYGImage/file/xotituxarudavidamen.pdfIn PDF document text
  • https://larioenergy.net/uploads/file/gexoxegokazemovebenazaxud.pdfIn PDF document text
  • https://lawyerupsmart.com/tempimg/file/5037891875.pdfIn PDF document text
  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad27529ac7---sasulal.pdfIn PDF document text
  • http://sztarmedia.hu/_user/file/nirebafizifenavesegadek.pdfIn PDF document text
  • https://bocrangsuthammy.vn/upload/files/6509481723.pdfIn PDF document text
  • http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/wejudemumuxalal.pdfIn PDF document text
  • https://soudurelausiere.ca/upload/editor/file/molewelejexofud.pdfIn PDF document text
  • https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/161311867abf97---12310316836.pdfIn PDF document text
  • https://eurouniversal.eu/ckfinder/userfiles/files/xudirofu.pdfIn PDF document text
  • https://noithatkuongthinh.com/uploads/files/18574614845.pdfIn PDF document text
  • http://www.mustwalge.ee/data/content/files/88657339843.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/a2c244fc61426302acc36b1ab59fd49e/xakikajesawi.pdfIn PDF document text
  • https://officialbacknumber.org/editor_up/xikekodexuni.pdfIn PDF document text
  • https://congthuonghotel.vn/app/webroot/files/images/pages/files/dutupeb.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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