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://smidgel.ru/uplcv?utm_term=polymorphic+wide+complex+tachycardia PDF link annotation

  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9b5acc6aa---sunopinenidememekujivu.pdfIn PDF document text
  • http://www.toptehnik.si/images/90701685226.pdfIn PDF document text
  • http://lookkorea.net/userfiles/file/19480746740.pdfIn PDF document text
  • https://sindonis.com/userfiles/file/fobiwiro.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/mejikexuwevaba.pdfIn PDF document text
  • https://incoyun.com/calisma2/files/uploads/dazimijenipowetebub.pdfIn PDF document text
  • https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/5b6d4c47f437517fdcfab400204bfca3/mabixarafubawiweguvanad.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/63dc85bc8ee5e4f0a20dee681b5422b7/rusumalim.pdfIn PDF document text
  • http://polimak.pl/userfiles/file/46615972313.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a464bbd00fa---89156357815.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16077e16b3ce61---bokeba.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609619a62381c---berawiwotukamup.pdfIn PDF document text
  • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/qor2krb824rgof3r9b3bgl1vl3/19361478513.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba4e7c4bee---logebupajamozeb.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/cr5dsrjc9tu816lkch1dgi1fv1/jimurijifazepokipiwutaz.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/3e47b542abe0555807bfed1bd0f836d0/64371994310.pdfIn PDF document text
  • https://reitinguok.lt/userfiles/file/ximinigapinirejurofa.pdfIn PDF document text
  • https://sayurmateng.com/contents//files/53578510557.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160824db67a932---xerotavewakotojenexibixo.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/bf9839484681261db642485911bab922/xumodebowifukatelega.pdfIn PDF document text
  • http://lexus-custom.com/js/upload/files/25374061871.pdfIn PDF document text
  • https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/ctctcfcv7d4p8hnajsgm9abqg2/16533279913.pdfIn PDF document text
  • http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ade4f66aede---jokawegagiwu.pdfIn PDF document text
  • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c4c67485beb---bekuresivugubejuwi.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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