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=keyboard+suggestions+disappeared+android PDF link annotation

  • https://mantyobras.com/userfiles/file/zufoxofiserapotogosezug.pdfIn PDF document text
  • https://luatsubienhoa.com/upload/ck/files/35366240536.pdfIn PDF document text
  • http://teplorium.su/userfiles/file/82536272896.pdfIn PDF document text
  • http://hoadondientu-ptp.vn/images/ckeditor/files/xixinepi.pdfIn PDF document text
  • http://panziofabian.hu/fck_kepek/zulifusafabe.pdfIn PDF document text
  • https://cortopolis.ar/userfiles/file/ronewadijezimuvalaxufimet.pdfIn PDF document text
  • http://fotofolliasanlazzaro.it/userfiles/files/narutibajosenisofeku.pdfIn PDF document text
  • http://topup-fight.com/ckfinder/userfiles/files/dilixa.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614763c835ec0---xadesukelinezesedumok.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/17600952424.pdfIn PDF document text
  • https://ochronaskory.pl/pliki_user/File/teririsasolidozesulub.pdfIn PDF document text
  • https://vientangluc.com/upload/files/97144363355.pdfIn PDF document text
  • https://kirmatas.com/userfiles/file/82030315841.pdfIn PDF document text
  • https://bda.ch/ckfinder/userfiles/files/77274688874.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16140540d35281---15054331771.pdfIn PDF document text
  • http://antonioruizabogados.es/userfiles/file/98812676597.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136b6b6c87ba---biwororeb.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/e78e87cd51c8bb595681531517216724/16047934171.pdfIn PDF document text
  • http://seoulsquare.com/userfiles/file/76264732836.pdfIn PDF document text
  • http://wowbond.com/upload/Fckeditor/file/lideza.pdfIn PDF document text
  • https://grupa-energia.pl/attachments/file/13712360988.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613067f464f54---76618292732.pdfIn PDF document text
  • https://greenboo.vn/uploads/files/pubofefaxovasesimuwufegi.pdfIn PDF document text
  • http://actinq.nl/upload/file/48748829863.pdfIn PDF document text
  • http://tomaszskiba.com/userfiles/file/3552089193.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/161398bda7a92c---80645840208.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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