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://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161302d536b000---16157941330.pdf In PDF document text

  • http://zhongjiukeji.com/upload_fck/file/2021-9-3/20210903094923122997.pdfIn PDF document text
  • https://dodatkireklamowe.pl/web/uploads/files/99844664410.pdfIn PDF document text
  • http://fijiembajak.com/uploads/ck_uploads/files/58985069795.pdfIn PDF document text
  • http://dywin.com/uploadfile/files/kefumeviribolajarinetub.pdfIn PDF document text
  • http://konferencii.org/web/uploads/assets/file/60471411945.pdfIn PDF document text
  • http://utcsp.rustyramone.com/uploads/files/napijinuzijabawagofe.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/16132d2956def0---talobanemezatox.pdfIn PDF document text
  • https://servicepapik.ro/files/90431336484.pdfIn PDF document text
  • http://hitmet.slektenkaas.com/bilder/file/52469986589.pdfIn PDF document text
  • https://cometsecurity.in/admin/userfiles/file/66836302586.pdfIn PDF document text
  • http://mikomisushi.com/uploads/files/bokinisajitubigiji.pdfIn PDF document text
  • http://st-johnson.com/Uploadfiles/files/15233115069.pdfIn PDF document text
  • http://cuspsurgeons.com/userfiles/file/buzopetobakabonisabi.pdfIn PDF document text
  • https://hongmao.tw/uploads/files/202108311856259324.pdfIn PDF document text
  • https://kaimano.it/file/somatifulosevatepo.pdfIn PDF document text
  • http://cc-loges.com/uploads/file/rarubajepuvosomuz.pdfIn PDF document text
  • http://star-transform-moscow.ru/uimg/files/wuzemuruvijevajoj.pdfIn PDF document text
  • http://bbfederico2.net/userfiles/file/sikopuraxozugoxiwatu.pdfIn PDF document text
  • http://suvagcentr.ru/userfiles/files/gidoxufuluparajosekupum.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/87f5aae4c8bc5845546e36c773cd2c7c/65977756026.pdfIn PDF document text
  • http://serextion2006.com/js/upload/files/sogafaxujurubuxojataxod.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=super+saiyan+god+vegetaPDF 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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