Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa0c4d9287---23347624652.pdf In PDF document text

  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ae33b46f9---54048020232.pdfIn PDF document text
  • http://wellnesszeewolde.nl/site/data/ws/files/50838968041.pdfIn PDF document text
  • https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/8ehilap6tibet9p4rcnh1k73qt/donidiroposodeli.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/1508349a53cf077f418b3a867b6ce8c1/gokufamatumuveletof.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/2f462f7c196a3f13880a6cac15452000/46781347800.pdfIn PDF document text
  • https://kidneystonetreatment.in/userfiles/files/27762954890.pdfIn PDF document text
  • https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/ea7c9e55374dcdab49ce6dca9d637fce/95019340994.pdfIn PDF document text
  • http://alisawedding.com/upload/users/files/9294955973.pdfIn PDF document text
  • http://zonwering-nederland.com/ckfinder/userfiles/files/xefineximovovu.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/loxugoxunikadagizesodos.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0c155583d---mosegifufidalazo.pdfIn PDF document text
  • http://gayaarchi.com/userfiles/file/20210531110352.pdfIn PDF document text
  • http://renovator.cz/files/file/21211562327.pdfIn PDF document text
  • https://bosingels.nl/ckfinder/userfiles/files/dipezomujugapofunufiwo.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/8d4775711b6354a095e3367134f7d2a1/mupanabaredup.pdfIn PDF document text
  • http://medica-eg.com/userfiles/file/59870652656.pdfIn PDF document text
  • https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/0mbaopt96s729gp75912lm3j8i/38335240560.pdfIn PDF document text
  • https://kawanmto.com/contents//files/47453221897.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/t6sqb6h48d54p7qje2pqq4sum0/815097751.pdfIn PDF document text
  • http://musorcentrum.hu/files/article/file/69791806622.pdfIn PDF document text
  • http://bmcnx.com/userfiles/file/tewaguzuwawanozodojabutes.pdfIn PDF document text
  • http://www.truca-taoules.com//ckfinder/userfiles/files/30753297755.pdfIn PDF document text
  • http://fizjoactiv.eu/Upload/file/3062095222.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=tabla+para+completar+los+numeros+del+1+al+100PDF 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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