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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://wastran.ru/uplcv?utm_term=kindle+fire+hd+8+android PDF link annotation

  • https://izyskately.ru/foto/ck/files/34148321341.pdfIn PDF document text
  • http://aid-calais.com/userfiles/file/bofufopabugarep.pdfIn PDF document text
  • http://jrecchina.com/ckeditor/ckfinder/userfiles/files/zezexozadaluredimizota.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/fec2db43648b947527539cc0a8184fb8/lovunanufivapo.pdfIn PDF document text
  • https://aiwatopup.com/ckfinder/userfiles/files/92107160926.pdfIn PDF document text
  • http://sskj.pl/userfiles/file/7933800964.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3db287462914cfbb245a50b37d1f8f50/7726180876.pdfIn PDF document text
  • http://www.ondebiz.com/userfiles/file/92026288790.pdfIn PDF document text
  • https://nakshistudio.com/ckfinder/userfiles/files/93472844928.pdfIn PDF document text
  • http://edv-denk.com/userfiles/file/72592564575.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/14829364087.pdfIn PDF document text
  • http://citysoupsbellevue.com/uploads/files/89750851167.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/8863df44c06c9b1d375359b247abdff9/65073387411.pdfIn PDF document text
  • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/6e61bc44139ad33a9530639aa10f0d77/16873392762.pdfIn PDF document text
  • https://nayyaralidada.net/alpha/ckfinder/userfiles/files/nekikerimivovogoju.pdfIn PDF document text
  • https://carolinevlieghe.fr/images/file/nipupiborefajeralexel.pdfIn PDF document text
  • http://mtegl.wsystem.sk/userfiles/files/9799163534.pdfIn PDF document text
  • https://euroquimicadistribucion.com/zabaleta/data/imagenes_contenidos/file/18479441402.pdfIn PDF document text
  • http://dulichtantai.com/files/uploaded/files/85097880761.pdfIn PDF document text
  • http://synerfreight.com/syner_upload/images/files/22492734260.pdfIn PDF document text
  • http://doks-films.com/pcms/content/file/63352824030.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/dee99ed29553ad668458f05d444ee752/kozurajatutifisobo.pdfIn PDF document text
  • http://xn--80aaaghhaztbcd1agjgbccsgfftf.xn--p1ai/pict/file/9221412389.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/87437797655.pdfIn PDF document text
  • https://eastmanllc.com/ckfinder/userfiles/files/sujefokig.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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