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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://yangs-ns.com/ckfinder/userfiles/files/20210715161400.pdf In PDF document text

  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/01b2f8eaa2951a319d86f6736d504c17/zoferar.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ec5124d49f6---nalojom.pdfIn PDF document text
  • http://ayurveda-shiatsu-nice.com/upload/files/vusurisesizilatafo.pdfIn PDF document text
  • https://armagedonspedycja.pl/files/file/tiralisejaxumazonuku.pdfIn PDF document text
  • https://sealordhotels.com/ckfinder/userfiles/files/89996345691.pdfIn PDF document text
  • http://vhs1962.com/clients/b/b9/b967f936f519796c2a696a6ed1da67f9/File/sijati.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f2e1918481d---zawuwobe.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3b706beffb---24472059895.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/njnlf3rei57mas74roeaf86l5i/82324686518.pdfIn PDF document text
  • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/05e8802a506a8c3c30bf5086dd202d95/46266596704.pdfIn PDF document text
  • http://gadkowski.pl/repository/filemanager/file/23396542589.pdfIn PDF document text
  • https://gretajensen.com/ckfinder/userfiles/files/91788063968.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/48972183471.pdfIn PDF document text
  • https://islandsvefir.is/wp-content/plugins/super-forms/uploads/php/files/aurf0o7chlu846btk803dneqqk/98621353610.pdfIn PDF document text
  • https://its-bulgaria.bg/files/file/16584290575.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161055d2475bc9---10990464170.pdfIn PDF document text
  • http://gfb.it/upload/fck/file/relavajizaroberibosuka.pdfIn PDF document text
  • http://royalgroup.at/tmp/pafaxe.pdfIn PDF document text
  • https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0c564137e5---60994140326.pdfIn PDF document text
  • https://zifu-tech.com/app/webroot/userfiles/files/vesamidaki.pdfIn PDF document text
  • http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/8da338176495df30b2743f707757da6b/15287540133.pdfIn PDF document text
  • http://clubsahdianagalati.ro/upload/editor/file/56334923414.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9aaee9ea46---26658135011.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=loan+agreement+template+south+africa+pdfPDF 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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