Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Document signing service impersonation lure medium SE_DOCUSIGN_LURE
  Document impersonates DocuSign, Adobe Sign, or a similar signing service in a signing-request context
• 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://ketchas.ru/uplcv?utm_term=create+pdf+fillable+form+from+word PDF link annotation

  • http://coffee33.ru/archive/file/fepevamuluwejugedifejapev.pdfIn PDF document text
  • https://uudanbury.life/files/file/13994347775.pdfIn PDF document text
  • http://casaatlantida.com/userfiles/file///xefapujozukuwifonudo.pdfIn PDF document text
  • http://daiichibus.vn/uploads/news_file/ginajan.pdfIn PDF document text
  • http://vytvarnyobchod.cz/UserFiles/File/nositok.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/4990cs76bss4cgbcpu008hfhk6/39160639496.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096a02e85a57---6698101443.pdfIn PDF document text
  • http://stellamaris.cz/userfiles/bavemapexetokilozuvinefi.pdfIn PDF document text
  • http://naplesredeals.com/userfiles/files/mesavozar.pdfIn PDF document text
  • http://ventima.ru/userfiles/file/nujudogagokumofedenesapo.pdfIn PDF document text
  • http://kfnmdg.com/upfolder/e/files/20210623225015.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb17c0f03e---doxelo.pdfIn PDF document text
  • http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609af91507c80---6582809634.pdfIn PDF document text
  • https://ehotelgateway.com/bot/ckfinder/uf/files/rapirakakunoxitobigo.pdfIn PDF document text
  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/f1ea72948c9187eeb4797bb9022e4397/nafitawawelesugujase.pdfIn PDF document text
  • https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/ambds7s5d148vkuts7kle8r577/nugiwotoxuvepizuvow.pdfIn PDF document text
  • http://ac-kenigsberg.ru/files/file/zinib.pdfIn PDF document text
  • http://mintaialuminum.com/d/files/mupobizigipanuv.pdfIn PDF document text
  • http://alituncer.com/userfiles/file/setexobagazanafanafiziw.pdfIn PDF document text
  • http://synergytaekwondo.com/click2buy_newp/userfiles/file/mabuzoxibinoluru.pdfIn PDF document text
  • https://mzlpro.com/web/img/podborky/files/69887630426.pdfIn PDF document text
  • http://secohthailand.com/file_media/file_image/file/dazisobe.pdfIn PDF document text
  • https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/93fb10bde185ca479330a1bef688c8ff/52347009213.pdfIn PDF document text
  • http://novosib-sport.ru/ckfinder/userfiles/files/nasupazadopali.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/73771490206.pdfIn PDF document text
  • http://gazdalkodjokosan.hu/img/userfiles/file/47274482571.pdfIn PDF document text
  • http://vodnik48.ru/content/file/vamubiluvob.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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