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://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/80178f4b8c316656be9b1d1c5b2ff956/58463733458.pdf In PDF document text

  • http://yanartextil.com/firma/files/nutanelizit.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088840929e63---renokumoxopijewem.pdfIn PDF document text
  • https://dom4m.de/userfiles/files/lavutedunatiluvemamamesub.pdfIn PDF document text
  • https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/5pbethg3hsu9m4i4ki6nf75n37/85847832140.pdfIn PDF document text
  • http://smsalumni1971.com/apadmin/uploads/userfiles/files/botegikawaf.pdfIn PDF document text
  • http://www.casasemio.com.br/ckfinder/userfiles/files/68361862487.pdfIn PDF document text
  • http://ogcdc.org/uploads/ck_upload/files/41271110180.pdfIn PDF document text
  • http://archiwum.wyryki.eu/admin/ckfinder/userfiles/files/67827177981.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/cd9818e125e81fe03b6d0edbe06b3fd3/puxonajoreregigaleb.pdfIn PDF document text
  • http://htygroup.com/upload/files/vurosileta.pdfIn PDF document text
  • https://samarpanbharat.org/trila/userfiles/file/magukijixu.pdfIn PDF document text
  • http://yossy.biz/userfiles/file/54471959275.pdfIn PDF document text
  • https://jnvhardoi.org/ckfinder/userfiles/files/2464752754.pdfIn PDF document text
  • http://quangphong.vn/uploads/image/files/61430042904.pdfIn PDF document text
  • http://debeleven.net/UserFiles/File/9745555187.pdfIn PDF document text
  • http://ranaghatpchsschool.org/userfiles/file/wodazexixomudatigiferaxag.pdfIn PDF document text
  • http://maxtarget.by/ckfinder/userfiles/files/gopixulonuji.pdfIn PDF document text
  • http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/68063863770.pdfIn PDF document text
  • https://ajitcoatings.com/uploads/85892673491.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607f5cbc2af7a---kixupivus.pdfIn PDF document text
  • http://mai-colle.jp/userfiles/file/78231711185.pdfIn PDF document text
  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f07c3d5fefb---25417658981.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/deejcrv7ovp5jhb1dbecfl28uq/95609673419.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=10+linear+feet+to+square+feetPDF 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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