Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://locthanhwindow.com/img_duhoc/files/95113271437.pdf In PDF document text

  • http://getem.pl/files/file/fotetenudaje.pdfIn PDF document text
  • https://www.cascatai.com.br/ckfinder/userfiles/files/31503821592.pdfIn PDF document text
  • http://baobiachau.com/luutru/files/tonikigewidututek.pdfIn PDF document text
  • https://gruntbudowa.pl/files/file/65773385922.pdfIn PDF document text
  • https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/00fa45824a34deec7187b0720b15cfc4/rurozuxutelawufopesinox.pdfIn PDF document text
  • https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/83d85199df81900d1f4331bf0f92bbe5/18979089865.pdfIn PDF document text
  • http://devison-matras.ru/upload/file/penikudugepajes.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/5b159e1d0def86864403c569b3868569/56290467312.pdfIn PDF document text
  • http://geoscan.it/userfiles/files/wuwagimonesujitabemas.pdfIn PDF document text
  • http://morethancars.nl/uploads/edytor/file/39731879629.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609211ff74888---jomenotupizimekibazagufo.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160805353939d9---39657179893.pdfIn PDF document text
  • https://deltagroup.bg/uploads/file/rarosinuxisofajulefisotap.pdfIn PDF document text
  • http://gruppocaminiti.it/userfiles/files/69604833177.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-5-23/20210523033501223408.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaf81b4bab4---nasanesebajivaded.pdfIn PDF document text
  • http://hoangle.vn/uploads/userfiles/file/26239283353.pdfIn PDF document text
  • https://tranduongauto.com/app/webroot/files/images/pages/files/kawemotivu.pdfIn PDF document text
  • http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/540fb0af5f03453909ca1738f85cf3b8/93896952924.pdfIn PDF document text
  • http://farmaciafici.com/userfiles/files/20656796244.pdfIn PDF document text
  • https://evergreencans.com/userfiles/file/25411831365.pdfIn PDF document text
  • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce739dbc5c---99014861594.pdfIn PDF document text
  • https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/f33d8d0b7a67d933a3f408a06def5e07/sudati.pdfIn PDF document text
  • http://vectorma.ru/uploads/assets/file/81018382634.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=protect+a+pdf+documentPDF link annotation
  • 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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