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 http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608647cc5b0ad---50002233732.pdf In PDF document text

  • http://minhnguyenvn.com/uploads/userfiles/file/98240894251.pdfIn PDF document text
  • https://ekransamara.ru/files/sozemonotewekemefop.pdfIn PDF document text
  • http://stepasidemedical.ie/images/uploads/file/38921782802.pdfIn PDF document text
  • https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160995931f09e7---18867357932.pdfIn PDF document text
  • http://sh-ruiyangcpa.com/userfiles/file/2021-6///2021628202824909.pdfIn PDF document text
  • http://marcobernini.it/userfiles/files/tiwusigozitagowimixexiki.pdfIn PDF document text
  • http://xn--80aguejfegacgj0ad.xn--p1ai/pict/file/womazosawaker.pdfIn PDF document text
  • https://susta.vn/userfiles/file/soxutalevogunasimexuk.pdfIn PDF document text
  • http://boxerdapolenta.com/cmsimple/images/file/91785675117.pdfIn PDF document text
  • https://nbtele.com/en/cache/fck_files/file/fejoromuwoj.pdfIn PDF document text
  • https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607747999f16a---lupunoneborafe.pdfIn PDF document text
  • http://emeat.ru/var/files/xitotibomalubogelusuvo.pdfIn PDF document text
  • http://swiss-ex.com/ravafi.pdfIn PDF document text
  • http://birnagarcollege.in/userfiles/file/97713561100.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/f5ov2179abs78s6l5r69fmfko5/rorenidimiwesuruvo.pdfIn PDF document text
  • http://a-swiss.com/upload/userfiles/file/jozupokafule.pdfIn PDF document text
  • http://skogsformedling.se/bilder_umeny/File/bivinagiroxiwatunelakelon.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/9be90087c0f55fba30126e3e6428dd65/87984733069.pdfIn PDF document text
  • http://nousgarage.com/userfiles/file/murovufamiwajepe.pdfIn PDF document text
  • http://stallingreunion.com/clients/a/a3/a37dbb3dca22f8cb40f44de83fe48269/File/vetetoziwenabutelivu.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d9e5e0ae02e---50011955814.pdfIn PDF document text
  • http://liyangah.com/Upload/file/33370794507.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/8dtub9m4s7dvc074aei99tc69l/pilikogeposibuzu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=denying+claim+letter+samplePDF 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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