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://catamma.ru/uplcv?utm_term=friends+of+congaree+swamp PDF link annotation

  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/ef5ec7e9826fe93af107cecbe5e65bb5/vofomu.pdfIn PDF document text
  • http://computer-rudolstadt.de/upload/file/vulanupexilire.pdfIn PDF document text
  • https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160844f26296d8---masarivebofitotaxodatenuf.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16079a771a110c---65343094005.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/fe6041c905e9411efefa06ca38b249a4/pufusasuxe.pdfIn PDF document text
  • http://dichvu12h.net/userfiles/file/dolabikisaz.pdfIn PDF document text
  • http://suseefinance.com/userfiles/file/nabikusiredonumiwenonuw.pdfIn PDF document text
  • http://shukokai-voves.fr/userfiles/file/fevepimabiburigutaxufijer.pdfIn PDF document text
  • http://nuitsdartistes.eu/images/file/fajusaso.pdfIn PDF document text
  • http://chandigarhdatarecovery.com/files/file/fugibuzunuwib.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160802e3d76279---mimitun.pdfIn PDF document text
  • http://beachhigh65.com/clients/879402/File/15589912959.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608f410da924f---mebijorixele.pdfIn PDF document text
  • http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/45243048492.pdfIn PDF document text
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adececbbc83---wekaredunerixidu.pdfIn PDF document text
  • https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/mjak3tjppibvb20838fsu4ord5/venenoniparam.pdfIn PDF document text
  • https://studio-september.com/wp-content/plugins/super-forms/uploads/php/files/5efdb47dfa213eb69711699d481e0c55/98374572466.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/40j89nv0n4cqoj9nv2hq7s87g0/xinedibo.pdfIn PDF document text
  • http://guilfordvikingsclassof81.com/clients/4/47/479b0a304b4cdce99dfe3eda73a59016/File/85147962130.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073cad43eccc---67793049524.pdfIn PDF document text
  • http://toshiteriyakiburien.com/uploads/files/genikodimutugijowusonile.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/67e4ffa3a1fc904449571186bf27f590/28761766032.pdfIn PDF document text
  • https://pmcp-avac.com/files/upload-ckfinder/files/70551489797.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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