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://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a443b866982---86027303760.pdf In PDF document text

  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16078fbcf55507---31293185446.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab0e759ffb---25558321999.pdfIn PDF document text
  • http://www.eventoptik.de/upload/files/78497438552.pdfIn PDF document text
  • https://www.alugutader.fr/ckfinder/userfiles/files/kenaluzudok.pdfIn PDF document text
  • http://quatanggiabao.com/images/uploads/files/70012720099.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/989df4d9b67bd7deac2bfe15b8793251/86259902495.pdfIn PDF document text
  • https://nhachoxebus.com/upload/fck/file/76488552781.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160e50bce40e35---tawedesudoremab.pdfIn PDF document text
  • http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/5f21efdcf699fcc6fcee90495086c714/11636151293.pdfIn PDF document text
  • http://mexxeopaint.com/upload/files/zatebanopujeteko.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/34977273223.pdfIn PDF document text
  • http://xn--939a66v0zjo3bcvdmrp.com/data/ckfinder/files/vogusojativizugifafazul.pdfIn PDF document text
  • http://stolizstekla.ru/userfiles/file/tepuzano.pdfIn PDF document text
  • https://badoza.net/userfiles/file/bijefugipejuxide.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612186501babf---tanuvizamubuzefejol.pdfIn PDF document text
  • http://armiikrajowej36.pl/public/upload/ckfinder//userfiles/files/vuvawogowasediwipiweli.pdfIn PDF document text
  • https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/2fd204eae0dd86c38cb83182554e6931/pobefopulizu.pdfIn PDF document text
  • http://www.victoriousintl.com/new/resource/files/jikuwipatude.pdfIn PDF document text
  • http://cbgnfinance.com/userfiles/file/7874279543.pdfIn PDF document text
  • http://unipsyclinic.com/userfiles/file/20210808142858.pdfIn PDF document text
  • https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/1cc8e595506f7463c513238a3bf3f9e8.pdfIn PDF document text
  • http://changwontour.kr/FileData/ckfinder/files/20210803_01C31720B619AFE7.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=graphing+linear+equations+in+slope+intercept+form+worksheet+answersPDF link annotation
  • https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/c84ce7ef8c6651cfdb7ed5b91b76a908/xitewafodivugujup.pdfIn PDF document text
  • 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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