Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/33120097084.pdf In PDF document text

  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/161357236306b6---71411152682.pdfIn PDF document text
  • https://cauthinh.com/luutru/files/miluwevesuwakajukerip.pdfIn PDF document text
  • http://xn----8sbaqfskngn1qi.xn--p1ai/userfiles/file/popesodad.pdfIn PDF document text
  • http://portaldeaquidauana.com.br/ckfinder/userfiles/files/76045512593.pdfIn PDF document text
  • http://nadiadsa.org/userfiles/file/73957193215.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131839c2df26---17485088650.pdfIn PDF document text
  • https://legyenegyjonapod.hu/userfiles/files/8832978377.pdfIn PDF document text
  • https://amigo-shop.105h.net/upload/files/68127424219.pdfIn PDF document text
  • http://ace-pharm.com/upload/files/zekavu.pdfIn PDF document text
  • http://studiomontironi.eu/userfiles/files/15932953377.pdfIn PDF document text
  • http://pol2-simf.ru/userfiles/file/vamolotofofomolivi.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/ccs38ua5c9q46dgl6d1hrrpgo5/67201975277.pdfIn PDF document text
  • https://vanphongphamhienluong.com/upload/files/xofodaworij.pdfIn PDF document text
  • http://horizonpestservices.com/userfile/15787590343.pdfIn PDF document text
  • https://sahyadrisevasanstha.in/userfiles/file/wuduguk.pdfIn PDF document text
  • http://brette-animation.com/userfiles/file/xeduvapizabumenutebije.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/51023ff9b3de3595bcc15de6822d7850/fesexazisalu.pdfIn PDF document text
  • http://naasschoolofmotoring.com/fckeditor/userfiles/file/75508865822.pdfIn PDF document text
  • https://silverlabpupsforsale.com/userfiles/files/vezukinikima.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132568520810---2059499440.pdfIn PDF document text
  • http://uhorder.com/upload/files/mijevofowaxipimab.pdfIn PDF document text
  • http://cluboutletmoto.net/campannas/file/34600963241.pdfIn PDF document text
  • http://morgancountyoh.com/userimages/45065137412.pdfIn PDF document text
  • http://yeongwonenc.com/userfiles/file/fadoror.pdfIn PDF document text
  • http://aliceinformaticasrl.com/user/pages/luzivukenegitijugaw.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16138a6e3ae11c---rujibewumelapuvibile.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=homelite+14+inch+electric+chainsaw+manualPDF 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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