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://chcial.ru/uplcv?utm_term=manualidades+navide%C3%B1as+con+botellas+de+plastico+paso+a+paso PDF link annotation

  • http://shangrilayunnan.com/ckfinder/userfiles/files/funar.pdfIn PDF document text
  • http://enjoyisagenix.com/ckfinder/userfiles/files/rejotun.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e009d0843ad---52714966267.pdfIn PDF document text
  • http://modamoda.nl/uploads/pic_lib/file/galuseluwamewidomasoda.pdfIn PDF document text
  • http://maasmartcity.com/userfiles/file/31906044241.pdfIn PDF document text
  • http://cjandjunemillerfarm.com/clients/75830/File/26945509478.pdfIn PDF document text
  • http://iltorg.ru/upload/file/96567461380.pdfIn PDF document text
  • http://elard-group.com/ckfinder/userfiles/files/70033148764.pdfIn PDF document text
  • http://ahdongjiu.com/upload_fck/file/2021-7-30/20210730001228663053.pdfIn PDF document text
  • http://piau-po21inn.com/CKEdit/upload/files/84243132746.pdfIn PDF document text
  • http://vanphongphamhienluong.com/upload/files/sutono.pdfIn PDF document text
  • https://totounited.com/contents//files/66439161370.pdfIn PDF document text
  • http://autoscuolavalerio.it/userfiles/files/kaxenatovevukub.pdfIn PDF document text
  • http://hkbroadwin.com/userfiles/82157298910.pdfIn PDF document text
  • https://bi-kiesabbau.de/cmsimple/images/file/80366621625.pdfIn PDF document text
  • https://rozgarnetwork.com/ckfinder/userfiles/files/sasuzilewilukunaroza.pdfIn PDF document text
  • http://come2menorca.com/images/file/27203541353.pdfIn PDF document text
  • http://taiwan-casters.com/userfiles/file/26301299144.pdfIn PDF document text
  • http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077b6ec63723---35081891819.pdfIn PDF document text
  • http://daieimotors.com/js/upload/files/54748399808.pdfIn PDF document text
  • https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/36365913574.pdfIn PDF document text
  • https://rubenoferro.com/userfiles/file/70032425866.pdfIn PDF document text
  • http://birzebbugastpetersfc.com/files/file/58557402018.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1611ee73a6b20c---83680306031.pdfIn PDF document text
  • http://beta-rc.com/upload/files/jumopetirijakudewusiparu.pdfIn PDF document text
  • http://atomleasing.ru/media/File/lovovewexisasajufozubafak.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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