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://catamma.ru/uplcv?utm_term=cubase+apk+download PDF link annotation

  • http://resheto.ru/users_images/fck/file/46845150513.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613bdfb86dd93---metemozatokeveguvo.pdfIn PDF document text
  • https://bczenekar.hu/files/file/5468635941.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/f155b54263502f530c3730be10f1d856/fukiwubowofisokekal.pdfIn PDF document text
  • http://webbyshoe.com/fckeditor/userfiles/file/55084535000.pdfIn PDF document text
  • http://sunriverps.com/data/editor/file/22903673045.pdfIn PDF document text
  • https://ixiu-23.com/uploads/files/202109060247392859.pdfIn PDF document text
  • https://pmcp-avac.com/files/upload-ckfinder/files/26534890941.pdfIn PDF document text
  • http://immobilieninvestors.eu/userfiles/file/jopapexidewufib.pdfIn PDF document text
  • http://www.pvvc.cz/files/mogakem.pdfIn PDF document text
  • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/65cbc68b75941e59fcaa313c1b8a44b6/pexinowezamavevidanepu.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613586a9a8f88---6458636262.pdfIn PDF document text
  • http://architettoletiziamasciotta.eu/userfiles/files/11152858615.pdfIn PDF document text
  • http://arcomproltd.com/userfiles/file/544899671.pdfIn PDF document text
  • https://www.marjojaspers.nl/ckfinder/userfiles/files/31414912602.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/036ljkeqbe63ena1q0n7ga7gj9/39319990444.pdfIn PDF document text
  • http://indianspringhomes.com/userfiles/files/jatalowobuririw.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210907135102189.pdfIn PDF document text
  • http://entryexpress.online/chapter_images/files/natizuxurirazuvebizelogel.pdfIn PDF document text
  • https://drproperty.in/userfiles/file/70347372826.pdfIn PDF document text
  • https://walnutcreekguide.com/wysiwygfiles/file/kekobunelumafalope.pdfIn PDF document text
  • https://deitratech.com/userfiles/file/bujipafekopem.pdfIn PDF document text
  • http://avandcie-automation.fr/ckfinder/userfiles/files/70724233147.pdfIn PDF document text
  • http://yomamasushitogo.com/uploads/files/56708745855.pdfIn PDF document text
  • https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/1d540a66d7c04f66bfbbd7835cf29fce/77288279663.pdfIn PDF document text
  • http://willbramephotography.com/47871694104.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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