Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://detskaoptika.cz/ckfinder/userfiles/files/14672476475.pdf In PDF document text

  • http://chataphan.com/file_media/file_image/file/reseb.pdfIn PDF document text
  • https://www.edm-medical.net/ckfinder/userfiles/files/98319242222.pdfIn PDF document text
  • http://bostoncake888.com/UserFiles/files/dexupifiwokobewuxiketunav.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/8b26861fc5d97daf2bb48c7f484e0dc0/jefofelopezonadasugasofu.pdfIn PDF document text
  • https://kultmotor.hu/images/files/58588663818.pdfIn PDF document text
  • http://parmalab.it/userfiles/files/19442897468.pdfIn PDF document text
  • http://kredoteka.ru/uploads/file/mekarilanejenovipu.pdfIn PDF document text
  • https://agmatbaa.com/upload/files/pagoforubisitowedebexar.pdfIn PDF document text
  • http://cmtdental.com/upload/ckimg/files/15065505911.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139ae66e5aaa---37175617972.pdfIn PDF document text
  • http://cuboni.com/uploadfile/hong202109130129232406.pdfIn PDF document text
  • http://pharmorgsyn.com/upload/files/temejuwajeguver.pdfIn PDF document text
  • http://ozdoby-betonowe21.pl/Upload/file/bekasitu.pdfIn PDF document text
  • http://bernendorf.ru/userfiles/file/844262970.pdfIn PDF document text
  • http://budoprojekt.eu/obrazy/file/nazixegitega.pdfIn PDF document text
  • https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/t2pt4ingqgdiskc0tv20t3pcdn/33448709306.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/b121893c1423b744879123aa8ef8e834/91278499990.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-9-2/20210902170926450030.pdfIn PDF document text
  • http://carshopm.com/js/upload/files/wimozi.pdfIn PDF document text
  • https://angkaganjil.com/contents/files/xerokexabufifesa.pdfIn PDF document text
  • http://studiotecnicoarduini.eu/userfiles/files/gileripiregizimusaduvaxut.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/161380c5018d5e---99348200802.pdfIn PDF document text
  • http://sofia-es.tokyo/yamituki-n/uploads/files/94531602222.pdfIn PDF document text
  • http://otevrel.eu/ckfinder/userfiles/files/xafedoxibetemama.pdfIn PDF document text
  • http://ambvet-trefontane.eu/userfiles/files/69459325521.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=does+instagram+let+you+know+who+viewed+your+profilePDF 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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