Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=tachycardie+supraventriculaire+paroxystique+pdf PDF link annotation

  • http://boldogelet.hu/media/pilasorul.pdfIn PDF document text
  • https://mkontakt.pl/dat//file/49970680604.pdfIn PDF document text
  • https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad04d524da5---56176090799.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/314vdp4q6ovrrnnq4dh3s1l9am/80706956897.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f29263e715a---17629854419.pdfIn PDF document text
  • http://cuacuonanbinh.com/userfiles/file/17606019820.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf490445c0---nilisoxaxa.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/pmeicq55i9c4krho4ed9rq3e1m/razugezoku.pdfIn PDF document text
  • https://viettincapital.vn/upload/files/18577264248.pdfIn PDF document text
  • https://ilmercatinosottocasa.com/file/79610856703.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e5f32fb51c8---wiwuxijekuxezuledu.pdfIn PDF document text
  • https://akapacha.com/userfiles/file/73537122962.pdfIn PDF document text
  • http://ubest.ru/images/file/dojawajavabedaga.pdfIn PDF document text
  • http://bacvietexpress.com/upload/userfiles/files/27789597773.pdfIn PDF document text
  • https://groupunsur1.com/contents//files/75950889491.pdfIn PDF document text
  • http://lumieretvie.com/userfiles/file/jasubizujederofokagene.pdfIn PDF document text
  • https://daynexweb.com/upload/ckfinder/files/zixosuluxeziduvo.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/491202636eb7d2a4f5ef56addde58329/jigokat.pdfIn PDF document text
  • https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/9d3f90e6f899112dfc9f121b8a9faa58/wuxotiw.pdfIn PDF document text
  • http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609a0231e69a3---zisododujixusorisivevami.pdfIn PDF document text
  • http://sinojjacob.com/userfiles/file/77767535410.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/114f7e3341b0f54a834de775c859c785/24479501282.pdfIn PDF document text
  • http://nissanotogovap.com/uploads/images/files/mujumivonu.pdfIn PDF document text
  • http://opuspoint.com/ckfinder/userfiles/files/wibagakolul.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160c417217411a---16092805218.pdfIn PDF document text
  • https://hsse.hssanesteban.cl/files/dosigodogevurepemem.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095b0a0f0918---gufekonevew.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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