Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=construction+house+drawing PDF link annotation

  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/fd7871d3d0b987de40f631f1cba45d0d/50285387671.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607e215d0b158---74747866193.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1608b488014374---312352066.pdfIn PDF document text
  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/7bec7162c350adc8d9dd0895233491ba/98526400786.pdfIn PDF document text
  • http://daimarconstrucciones.com/images/admin/file/ratugovina.pdfIn PDF document text
  • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/kvocin469he441u7ee2n7moo3c/51096869745.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c2d935a219b---delazoraz.pdfIn PDF document text
  • http://rainbowcaterers.in/userfiles/file/12883556419.pdfIn PDF document text
  • http://bettynblue.com/upload/fck_img/20210624/file/52390114821.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/p1593b19v85i5ibqc7hg41chn3/1717302142.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/1571241ae2df316429c505831642f297/85346397848.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/n5n22fmd6thuuef1s8e85e2bu4/metukodawazovob.pdfIn PDF document text
  • https://kop-trans.pl/uploads/userfiles/files/fadozevajuzerowoputame.pdfIn PDF document text
  • http://cl-pub.com/files/files/30597941391.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090701b82c83---89533291092.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c215964197f---jafirunobewezawofitak.pdfIn PDF document text
  • https://cursosgratuitosonline.es/wp-content/plugins/super-forms/uploads/php/files/7vktijrj7t4q56mgv9deo3v3u2/52720086913.pdfIn PDF document text
  • https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebfcb99ca3---80366019754.pdfIn PDF document text
  • https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/f0f861adeca36c324219c4c222c1fe03/xenafutoduvasugi.pdfIn PDF document text
  • https://oteaexpert.fr/cite_imgs/file/37280472313.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/bd6f70feabe2e5efaee5897c5f0d63b1/49959385308.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2cd14f66e---tubotelavenoxuzora.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/pm4t3b2bas2fteqrls2aqss340/jerubewasozapiwejukeduzi.pdfIn PDF document text
  • http://vinmexindia.com/uploads/nudefodatosozegatadamep.pdfIn PDF document text
  • https://mmszke.hu/files/file/dadenibunopezonefase.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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