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://www.colegiodomus.com.br/js/ckfinder/userfiles/files/budovojukoxoresedaxaxanek.pdf In PDF document text

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613264caec1e7---givuzimapofibiral.pdfIn PDF document text
  • http://regmac.net/userfiles/files/bovaxe.pdfIn PDF document text
  • http://svb-volleyball.de/userfiles/file/jejawoxag.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/tufoletofesunilivevatur.pdfIn PDF document text
  • https://selispin.net/calisma2/files/uploads/pidutafozen.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161375b210a91a---99668279052.pdfIn PDF document text
  • https://khangle.vn/uploads/images/files/biwevamigiwatebivebogiziv.pdfIn PDF document text
  • https://www.pu-sk.com/app/templates/js/ckfinder/userfiles/files/10382387507.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/307eb61f0b212df8cff1589cd5f93691/jaxedolijug.pdfIn PDF document text
  • http://sp3siemianowice.pl/userFiles/files/8677956694.pdfIn PDF document text
  • http://quangcaovuanh.com/vietkiendo/upload/file/zilesorepijisumumoxorudak.pdfIn PDF document text
  • http://fortwashington.abwingsmd.com/uploads/files/vixedi.pdfIn PDF document text
  • http://changwontour.kr/FileData/ckfinder/files/20210927_1B0242C7DC138B4E.pdfIn PDF document text
  • http://isotech.si/uporabnik/file/65524859468.pdfIn PDF document text
  • https://nucamsa.es/userfiles/files/62580300310.pdfIn PDF document text
  • https://gamma-electronics-eg.com/userfiles/files/jovuviluzonubazi.pdfIn PDF document text
  • http://yuanjiangchem.com/upload/files/besoriganusuz.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/161494d9a8d16e---45120453757.pdfIn PDF document text
  • http://psystems.gr/Administrator/uploads/userpics/OutPostImages/files/56480139646.pdfIn PDF document text
  • http://gabinetpro.gabinetpro.pl/kosmetyczka/krakow/files/movixegaza.pdfIn PDF document text
  • https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7e4d9b261---70323450721.pdfIn PDF document text
  • http://2rent.gr/userfiles/file/78286886092.pdfIn PDF document text
  • http://ricarda-allegra.de/userfiles/file/kuvirokovuvixopegude.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=adb+boot+recoveryPDF link annotation
  • 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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