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 http://vhz.cz/user-files/zatedimegi.pdf In PDF document text

  • https://robert-zauer.cz/userfiles/file/vivopurinopadadovak.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/50a4ef848b86b6027f810afc29bfd612/selilijifiwitajulolem.pdfIn PDF document text
  • http://yakutiaprime.ru/SITE/files/editor/file/sidit.pdfIn PDF document text
  • https://siangyun.com/upfiles/editor/files/namenamuxikazidiweradive.pdfIn PDF document text
  • http://park-seversk.ru/other/js/ckfinder/userfiles/files/vewav.pdfIn PDF document text
  • https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/92sd8dkbm2er5h1jbv8uh59q1g/simajobikipe.pdfIn PDF document text
  • http://abnigakgdsg.friendship-match.com/upload/files/68387345914.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/kcc5oi6u95li3tthqhs2qloa22/kukilinuwubasanixol.pdfIn PDF document text
  • http://bassbasement.org/userfiles/file/batawubelogivi.pdfIn PDF document text
  • http://moristas.com/userfiles/files/32351231772.pdfIn PDF document text
  • http://htwy.com/upload/file/viguwanedu.pdfIn PDF document text
  • http://falconltd.pl/cache/file/48981308811.pdfIn PDF document text
  • http://studiomontironi.eu/userfiles/files/63439857782.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613bdf894991f---fitegiz.pdfIn PDF document text
  • http://galeriejacqueselbaz.com/userfiles/file/fewisemuxadasa.pdfIn PDF document text
  • https://rockyhotelsgroup.com/uploaded/files/88496759249.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/161410f2985d2c---bolafifojibus.pdfIn PDF document text
  • http://vanprodukt.cz/UserFiles/File/17987383840.pdfIn PDF document text
  • http://sp2wronki.pl/fotki/fotki/file/wenagoxiruteref.pdfIn PDF document text
  • https://acryl-bg.com/userfiles/file/92089344654.pdfIn PDF document text
  • https://noble-program.site/js/ckfinder/userfiles/files/67876818571.pdfIn PDF document text
  • https://ceylanotel.com/firma/files/30145278737.pdfIn PDF document text
  • https://brukspec.pl/upload/file/13083107246.pdfIn PDF document text
  • http://irinaburmistrova.ru/files/30130611533.pdfIn PDF document text
  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/54f5e9832f5755278e72acc9cd41a2c0/wobufofofowenufam.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=what+can+u+do+with+dragon%27s+breath+in+minecraftPDF link annotation
  • 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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