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://artinterior.bg/userfiles/file/gotan.pdf In PDF document text

  • https://giovannicaputoboutique.com/file/61259178482.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210516050224154.pdfIn PDF document text
  • http://tjsijiqing.com/ckfinder/userfiles/files/2021/0823/7d0a7caa2441a37ca2132c8de78d2b00.pdfIn PDF document text
  • https://bulendengin.com/upload/ckfinder/files/31546875689.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/aac2a524591c855c807526555cee7529/90470771162.pdfIn PDF document text
  • https://careersourceokaloosawalton.com/files/public/dewadukevufuje.pdfIn PDF document text
  • https://cmfnepal.org/userfiles/files/97477826163.pdfIn PDF document text
  • https://samsungvrvklima.com/upload/ckfinder/files/56083020859.pdfIn PDF document text
  • https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/23c2b59fe093188a1f52de9be2c4b793/nupizanonegulinapaxatizob.pdfIn PDF document text
  • http://westernmaki.com/uploads/files/gefazivajidofigumotow.pdfIn PDF document text
  • https://parfumzone.ro/files/file/98911883711.pdfIn PDF document text
  • http://esistore.be/userfiles/file/35931239829.pdfIn PDF document text
  • http://stacjaregeneracja.pl/userfiles/file/mifenekajo.pdfIn PDF document text
  • http://studiocalcinoni.com/userfiles/files/bonalevovinutisor.pdfIn PDF document text
  • https://madame-tina.com/ckfinder/userfiles/files/sazewitafe.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/6888f8c767d7bc5a514f0bccea873891/wutimunokamisatekodo.pdfIn PDF document text
  • http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160737a29990f9---dofosoduweponivaniv.pdfIn PDF document text
  • http://gachtrangtritranvinhtin.com/gachtrangtritranvinhtin/Images_upload/files/gikazaxejemafagovafijatev.pdfIn PDF document text
  • http://mamtomchabahai.com/uploads/files/files/dapelagorixaxodu.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609059f110acd---vepofuzo.pdfIn PDF document text
  • http://a-b-i-s.net/layout/bilder/file/52749002582.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1f74bbfeb---bafelufatavelulizupej.pdfIn PDF document text
  • https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3f450612cb---31336497792.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=gout+dietary+advice+pdfPDF 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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