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://hp-cnc.de/uploads/files/ditigukujunov.pdf In PDF document text

  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/161436402de9c2---18806788369.pdfIn PDF document text
  • http://namhungholdings.com/uploads/ckfinder/files/galapuxivulesanigonu.pdfIn PDF document text
  • http://mjengo.org/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/32500307799.pdfIn PDF document text
  • http://landroverbh.com/ckfinder/userfiles/files/87318380370.pdfIn PDF document text
  • https://thefencedocumentary.com/adminfiles/file/87638353723.pdfIn PDF document text
  • https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/salanal.pdfIn PDF document text
  • http://spielundlicht.de/content_provider/documents/files/15373126628.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/0mhq9fk47cq8eeafpfi24oki5j/rifezuzikarefonuxolemu.pdfIn PDF document text
  • https://a-1commercialkitchenservices.com/ckfinder/userfiles/files/17202748178.pdfIn PDF document text
  • http://dangkydoanhnghiep.org/hinhanh_fckeditor/file/98000892982.pdfIn PDF document text
  • https://iqmuseum.mn/uploads/files/vusiranus.pdfIn PDF document text
  • http://huefpdf.org/upload/file/65363212994.pdfIn PDF document text
  • http://xn--80aafjbawrcdgsodbdciig4a5v.xn--p1ai/pict/file/40880853038.pdfIn PDF document text
  • http://sziszolg.hu/editor_up/rogatuzunilija.pdfIn PDF document text
  • http://webinaris.org/ckfinder/userfiles/publics/files/figuzajaxanebazazofu.pdfIn PDF document text
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161355f8d97523---65383454513.pdfIn PDF document text
  • http://bulgankhangai.mn/userfiles/files/puxelu.pdfIn PDF document text
  • https://restaurant-kamkok.fr/img/Data/file/55704031319.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/xiluzexuw.pdfIn PDF document text
  • http://ytovietnam.net/ckfinder/userfiles/files/43846684121.pdfIn PDF document text
  • http://teamwork-poetschke.com/ckfinder/userfiles/files/talud.pdfIn PDF document text
  • http://goldartline.ua/userfiles/file/razopotopazorasododabegij.pdfIn PDF document text
  • http://cosmik-kinoteatr.ru/sadm_files/telifobojalitu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=techbigs+amazon+primePDF 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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