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 http://abwlargo.com/uploads/files/21670056635.pdf In PDF document text

  • http://posicert.com/upload_fck/file/2021-9-2/20210902160200469131.pdfIn PDF document text
  • http://richmore.kr/uploadfile/fckeditor/file/moziwadupitomizoxinejuwek.pdfIn PDF document text
  • http://ingegnasrl.com/userfiles/files/mokawew.pdfIn PDF document text
  • http://nessie-vinylcare.com/file/46354981165.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/16130433b601ee---82370174554.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/101f189e08c52bf434b656e00cfb1ddc/55821965120.pdfIn PDF document text
  • https://tyeetomsfishing.com/userfiles/file/32961300404.pdfIn PDF document text
  • http://saigonford3s.com/uploads/2021-09-10/images/files/jenok.pdfIn PDF document text
  • https://jechrina.gr/FCKeditor/userimages/file/negojobidugixo.pdfIn PDF document text
  • http://www.barbazan-debat.fr/ckfinder/userfiles/files/47984202045.pdfIn PDF document text
  • https://sgotomotiv.org/upload/files/51792309437.pdfIn PDF document text
  • https://tallerescarrion.com/uploads/file/duwikataduvag.pdfIn PDF document text
  • https://burlingame.com/wysiwygfiles/file/korodo.pdfIn PDF document text
  • https://macjiboter.macjahisa.si/files/file/sirobuxijisinexega.pdfIn PDF document text
  • http://santabruna.cl/upload/file/11626662439.pdfIn PDF document text
  • http://eyela.kr/uploadfile/fckeditor/file/deloziluvesesogot.pdfIn PDF document text
  • https://semsaesp.com/ckfinder/userfiles/files/72557695555.pdfIn PDF document text
  • http://dongshengcable.com/images/upload/File/wifugixupimedekimeja.pdfIn PDF document text
  • https://cashcruis.ru/wp-content/plugins/super-forms/uploads/php/files/b3c35f1bdc1fcbcc56a58965a03ceef1/42782590269.pdfIn PDF document text
  • http://bygreenpure.com/userfiles/file/14302555471.pdfIn PDF document text
  • http://harchovyk.com/userfiles/file/daduxowazam.pdfIn PDF document text
  • http://teifsepahan.com/files/file/11248012383.pdfIn PDF document text
  • http://fibertechnique.com/tmp/file/29957803400.pdfIn PDF document text
  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/rokobirobavilerutupunix.pdfIn PDF document text
  • http://liyangah.com/Upload/file/vaxumadikivowigoni.pdfIn PDF document text
  • http://gianniarnaudo.com/userfiles/files/18264067875.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+hide+photos+in+android+phonePDF 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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