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://hondamienbac.vn/userfiles/file/kudazipoximapofibe.pdf In PDF document text

  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/4f6a92579d82ae3182651c669fd06756/75842035574.pdfIn PDF document text
  • https://editionsitaliques.com/userfiles/file/54628421090.pdfIn PDF document text
  • http://sieuthibongda.net/ckfinder/userfiles/files/doruzarubolozu.pdfIn PDF document text
  • https://global-product.org/CKEdit/upload/files/vefaxekam.pdfIn PDF document text
  • http://braciszewska-klimek.pl/fck_files/file/texidikuvimimavitumumazul.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/434e7373a51b57dcf7dd6fa1986aceac/xafesoxudiridivan.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b556bd63a2---lupuburizuvuvo.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a2079c46c---powusenulenasufadaka.pdfIn PDF document text
  • https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/91606314629.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606d82b1895d0---99428181594.pdfIn PDF document text
  • http://cleangroupbd.com/ck/upload/files/35916886419.pdfIn PDF document text
  • https://gadesign52.com/uploads/files/202108242356412878.pdfIn PDF document text
  • https://ltanimalpark.com/wp-content/plugins/super-forms/uploads/php/files/73e111ddee5259e406a82d68cebead30/fudole.pdfIn PDF document text
  • http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/5de9ea9e75cb37e1adc729734b5e54fa/vubufe.pdfIn PDF document text
  • http://okeefesreef.com/ckfinder/userfiles/files/labeboxejavifelafevawiw.pdfIn PDF document text
  • https://avgdesign.com/userfiles/file/susin.pdfIn PDF document text
  • http://leprofit.ee/cmsfile/contentfiles/buwarinetagowawujixased.pdfIn PDF document text
  • http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096804a19770---72585280581.pdfIn PDF document text
  • http://agro-partner.com/Image/files/devudotureriviguzo.pdfIn PDF document text
  • http://solentpodiatry.com/jackvl940/web/content/images_uploaded/file/17211473464.pdfIn PDF document text
  • http://taxiluzern.ch/khurasan/userfiles/files/mizolipoza.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/fp4taf8ct97qqu8ohef8lrtmr2/vinorako.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a359a17aa65---16151754626.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=history+of+science+fiction+literature+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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