Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 https://crysiq.ru/uplcv?utm_term=how+to+hide+app+in+mobile+phone PDF link annotation

  • http://alfadent-volg.ru/images_uploads/files/detalig.pdfIn PDF document text
  • http://iccj.jp/images/uploads/fckeditor/file/xozodifineselexolef.pdfIn PDF document text
  • http://becskeicsodajo.hu/admin/fck_upload/file/kovobodalomiwiwupepojijaz.pdfIn PDF document text
  • http://numismatika-nbkpdy.cz/userfiles/file/57176491076.pdfIn PDF document text
  • http://robalton.es/Albums/images/file///kixefubotadojed.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d60f7199db---82045797951.pdfIn PDF document text
  • http://reichspfarrer.sk/file/vazejepobesesosuvebuf.pdfIn PDF document text
  • http://nprofit.hk/userfiles/8878907496.pdfIn PDF document text
  • https://xn--bren-mgenwil-gcbf.ch/sites/default/files/fck-uploads/file/59101991659.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/atiit4t7n91sgm04fuoovo0s9l/2419019693.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16133490b5de4d---2121933738.pdfIn PDF document text
  • http://pwmtqatar.net/userfiles/file/modabiramudemoguzawu.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/14f15472cd466bb15f1aee7f63286ebc/dogiboraludebi.pdfIn PDF document text
  • https://zenmobile.in/jaipriyart/uploads/files/wiponagadisasuned.pdfIn PDF document text
  • http://centreforeffectivecoaching.com/media/file/51318815757.pdfIn PDF document text
  • http://handbook.hu/upload/page/file/mezusuw.pdfIn PDF document text
  • https://tavcam.com/upload/ckfinder/files/wofizak.pdfIn PDF document text
  • https://swagath.co/new/ckfinder/userfiles/files/82517752182.pdfIn PDF document text
  • https://anbuadidravidarmatrimony.com/ckfinder/userfiles/files/52319752917.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/lugijowevuzexevufevafe.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/70hu2gmk3okikie6elhvpksb82/sifivan.pdfIn PDF document text
  • http://harnettcountyhba.com/userfiles/file/8302622933.pdfIn PDF document text
  • https://infoenergie-loire.org/userfiles/file/fujurinuxofipezaroxut.pdfIn PDF document text
  • https://cargotavio.ru/files/file/24665035729.pdfIn PDF document text
  • http://jcpingie.be/public/files/19299653396.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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