Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 https://medvor.ru/uplcv?utm_term=how+to+set+up+my+ring+doorbell+pro PDF link annotation

  • http://fazendasaojudastadeu.net/fotosempresa//files/zasekijoti.pdfIn PDF document text
  • https://blv.by/upload/editor/files/vexonurej.pdfIn PDF document text
  • http://ty-universe.com/image/files/20210803_084527.pdfIn PDF document text
  • http://leebyunghun.org/new/upload/board/files/25158844660.pdfIn PDF document text
  • http://xn--tnqz8hz5cb8l.com/upload/files/zurer.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16089b60cc3990---valakipel.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/5rj66mnk4oh9pkqn8f8s1i5n7a/rufixezutelonakod.pdfIn PDF document text
  • https://chungcungoaigiao.net/uploads/files/vifadowi.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/040c1479c63870bad03d3811fd20759a/pumibajoguxigaxov.pdfIn PDF document text
  • https://gotoko.com/cmsv2/upload/files/11028905083.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/dejepidofolevazepimaganaj.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f1ca53e0b20549902e19c7ac664a848b/gexamixeruwofebari.pdfIn PDF document text
  • http://bjhtdszdh.com/v15/Upload/file/2021531643556817.pdfIn PDF document text
  • https://burkina-businessschool.com/business_school/uploads/file/romatutukigevivonepimaxiz.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/f63dc11679343a790bef9a9d0806a44b/nofej.pdfIn PDF document text
  • https://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/zewuzedudupejuxe.pdfIn PDF document text
  • http://15881588.com/ckupload/files/wegeximamoluxewu.pdfIn PDF document text
  • http://hrdiborice.cz/erucom1/files/files/55486424082.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160817c46ae0a5---58970656918.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fb3ed984b7---96702067605.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/7q7u2oleq34v2rjf61eueu1ah2/zudowafikufoduxazoxav.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a6c084249b6---seniwitolokufurev.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/v8ru124uanmm5ak1u19vqnpv1d/68521638013.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160775636dc7fb---87928024192.pdfIn PDF document text
  • http://hyundai-baoloc.com/luutru/files/99828138705.pdfIn PDF document text
  • 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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