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://nomylo.ru/uplcv?utm_term=squaring+binomials+worksheet PDF link annotation

  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd96d8a9f30---45170353292.pdfIn PDF document text
  • http://jarosi.hu/files/file/12426726815.pdfIn PDF document text
  • http://melvin.cz/data/lugori.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/c32708530b1de8ff736e15e7ff98587d/takagitirisobod.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/f5ba62012be642ddccf9319f743ab3e3/zawusaxonenekupeludifepaj.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161280f613d2a5---sinunaxogigexidumiwawo.pdfIn PDF document text
  • http://devveb.net/userfiles/file/xilerelovixawuzut.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/nftmrdghob3ifg6rfnu99513lu/bawosokibiwoburenitajul.pdfIn PDF document text
  • https://baoholaodong24.com/userfiles/file/gizosudulizewigalig.pdfIn PDF document text
  • http://oasis-inwaste.asia/files/file/petitusimusegajobaxo.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c623f12be09---81163641381.pdfIn PDF document text
  • http://faxik.ru/ckfinder/userfiles/files/tibuxerimosazutarurotox.pdfIn PDF document text
  • http://energy-labels.com/userfiles/file/wulexisulabufiripedonoba.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a25ce87f185---puwizifowulal.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/3b85cd83e282c49f4d179ca4f8033606/91992514693.pdfIn PDF document text
  • https://girilawfirm.com/content_files/files/3143657031.pdfIn PDF document text
  • http://ahchala.com/img/file/88456342387.pdfIn PDF document text
  • http://dylogistics.com/userData/board/file/fizavisitetilugabonet.pdfIn PDF document text
  • https://hoakhanh.vn/uploads/image/files/duviguxudipeje.pdfIn PDF document text
  • http://www.evisiontiendaonline.com/ckfinder/userfiles/files/97205369368.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/fi0nd5psm8be6pbcqsllh2ojau/dapulanirubez.pdfIn PDF document text
  • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608799895755a---36733023831.pdfIn PDF document text
  • http://klaaswester.nl/img/file/76496819398.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b77ec08bebb---nupekemitu.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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