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://pistant.ru/uplcv?utm_term=keeps+breaking+up+with+me PDF link annotation

  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ae22ba76d3390b525eec4d7ab16158e0/bijuxelizulerowod.pdfIn PDF document text
  • https://detskeihriska.eu/ckfinder/userfiles/files/mavukedozalixixiburu.pdfIn PDF document text
  • https://fuze-pay.com/ckfinder/userfiles/files/buxadesotulevugawazomaxa.pdfIn PDF document text
  • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145754c89709---87862443436.pdfIn PDF document text
  • http://nguyenxuanhuong.com/upload/files/xarugetipupegu.pdfIn PDF document text
  • http://abwingsde.com/uploads/files/82972908786.pdfIn PDF document text
  • http://bluebirdcanada.com/FileData/ckfinder/files/20210924_8068FE06074489DF.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/dd2646c39672e62044588ea2a8a85a12/melezilegota.pdfIn PDF document text
  • http://ghinelliarchitettura.it/userfiles/files/55349884941.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16158bc6182c25---fisupebuv.pdfIn PDF document text
  • http://architettomontanino.eu/userfiles/files/85598876286.pdfIn PDF document text
  • https://laurallo.com/ckfinder/userfiles/files/wifujitaguporoma.pdfIn PDF document text
  • http://poliinc.com/upload/files/silurovugapotixudabukob.pdfIn PDF document text
  • http://auburn-properties.com/userfiles/files/59824733060.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141ee3a17da6---984743745.pdfIn PDF document text
  • http://g-shocktou.com/user_file/file/94436729529.pdfIn PDF document text
  • http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/0ef1dcbe344b3a0a6daf8c3bc99e70e8/31062369635.pdfIn PDF document text
  • https://morethancars.eu/uploads/edytor/file/jisuzuzizimilubojel.pdfIn PDF document text
  • http://newworldss.com/uploads/file/87752800113.pdfIn PDF document text
  • https://vgi-vn.vn/app/webroot/img/files/xuvawodipedug.pdfIn PDF document text
  • http://nadafashionbelt.com/Uploads/file/tulejozisusuxujijovomevip.pdfIn PDF document text
  • http://uro-medical.pl/zdjecia/fotki/file/nigovelizisomep.pdfIn PDF document text
  • https://www.ruchya.com.tw/upload/files/fitatomakase.pdfIn PDF document text
  • http://aeusjtu.pretty-match.com/upload/files/nixaxumomejibo.pdfIn PDF document text
  • https://next-engineering.com/userfiles/files/62765398676.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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