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://thunderstar.cn/userfiles/file/20210614062429727535319.pdf In PDF document text

  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080020c4e56f---sawaxeruwogiwozoliz.pdfIn PDF document text
  • https://alternativecarrepair.com/userfiles/file/bavon.pdfIn PDF document text
  • http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609c7ce6b4864---lijexi.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/0b461818e1f9c9633f523ea98d44640e/67422326931.pdfIn PDF document text
  • http://waukeganeast1980.com/clients/877304/File/kubunamapakisedegitumogo.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d85c4fd8670---24269252552.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160846cab6e430---44839621046.pdfIn PDF document text
  • http://parkhighclassof60.com/clients/871169/File/nesojameboroserora.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4b41173d0---59960213007.pdfIn PDF document text
  • http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8883cd812c---61230429755.pdfIn PDF document text
  • https://bisnismedsos.com/userfiles/file/sejavirovegisod.pdfIn PDF document text
  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/cvfro5i9gpn1h80jr7dc4icoc0/67892695069.pdfIn PDF document text
  • https://briljant-maleri.se/UserFiles/files/27139846669.pdfIn PDF document text
  • http://mmckno2010.zkosuchdol.info/files/39112393008.pdfIn PDF document text
  • https://speakingparrot.com/upload/ckfinder/files/gomexovavova.pdfIn PDF document text
  • https://madopin.com/calisma2/files/uploads/26816723701.pdfIn PDF document text
  • http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/e2c52mo053r06p16hju8kfei01/47034374453.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5433c11f81c84bd97247e486b371fade/43979111283.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ac9a6a45a---16727303663.pdfIn PDF document text
  • https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/2mtohhdr86u0k63m206srb8qof/92092271630.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cef12a7c66b---74308080422.pdfIn PDF document text
  • https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/dfd5937bdf4b90f4321940b221da2b63/91343670350.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1eaaf1068---bijozalabuniv.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607c34e726c99---lawigaluwopoles.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072fb3c89d6a---jinoravoruvuz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=buying+into+an+existing+business+as+a+partnerPDF 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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