Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://cructi.ru/uplcv?utm_term=modelos+de+bases+de+datos+pdf PDF link annotation

  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/cb8d85e248b3be9c1597a60414c6bc2f/89234127896.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/f38595d385b9a7ac6009d81ec30f1712/jerupe.pdfIn PDF document text
  • http://yushendesign.com/images_fck/file/1631201113.pdfIn PDF document text
  • https://papiratisk.cz/soubory/87578440464.pdfIn PDF document text
  • http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613be087b924a---renuzot.pdfPDF link annotation
  • http://diegogenna.it/userfiles/files/jilovakapemedelet.pdfIn PDF document text
  • https://tongdaidoanhnghiep.com/app/webroot/upload/files/21182760572.pdfIn PDF document text
  • http://chinalabware.ru/d/files/zifokewimoxam.pdfIn PDF document text
  • http://hoanggiaphatstone.com/upload/files/wizalupezeruradudodaxene.pdfIn PDF document text
  • http://laureysnv.be/uploads/files/57232366013.pdfIn PDF document text
  • http://daonshop.com/files/fckeditor/file/57993008695.pdfIn PDF document text
  • https://perkunasstudio.com/uploads/files/202109191653235649.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe6fd5d941---bunukiwotobo.pdfIn PDF document text
  • http://creptiles.dk/userfiles/file/visesutewutulokin.pdfIn PDF document text
  • http://hiroi-es.info/yamituki-n/uploads/files/mulutapinaregunelumepe.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146b36120fed---gemiv.pdfIn PDF document text
  • https://uleshuzataruhaz.hu/files/file/vevizavatikazevu.pdfIn PDF document text
  • http://geofer.eu/userfiles/files/xalatev.pdfIn PDF document text
  • https://stehovani-ostrava.cz/static_pages_files/file/7156820442.pdfIn PDF document text
  • http://tajesink.com/Uploadfiles/files/19229446468.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/76900a1873d1a980e1a071db3e1fef71/tijekizesivosipoxej.pdfIn PDF document text
  • http://dr-temt.ru/images/file/6511416635.pdfIn PDF document text
  • http://aptekainternetowa.net/_mdm_apteki/file/pevewaba.pdfIn PDF document text
  • http://imhyuk.com/imhyukeditor/userfile/file/satunomuzepesipolofepebi.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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