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 http://sapaethnic.com/webroot/img/files/zulewij.pdf In PDF document text

  • http://hasdeu.md/data/userfiles/files/80836377586.pdfIn PDF document text
  • https://nhatngudongkinh.phapluatvietnam.com/upload/ckupload/files/kadexir.pdfIn PDF document text
  • https://mimpi1pusat.com/contents//files/38335631339.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/cfe19482ae204856c79e3d183d3a6805/79732655059.pdfIn PDF document text
  • http://asirakademi.com/resimler/files/25587083955.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/65de4084a0aa1ee52cc4684e901a6aa2/25554511253.pdfIn PDF document text
  • http://vietkinggroup.com/uploads/userfiles/file/82062812206.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/47edeb82cf8d6b08f927188e0102be5e/85393657427.pdfIn PDF document text
  • http://daming-school.com/userfiles/file/90742306825.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a678cac5801---23390038576.pdfIn PDF document text
  • http://hiddenforrest.net/clients/76790/File/9363025893.pdfIn PDF document text
  • http://wignaccent.com/FCKeditor_2.6.3/userimages/file/20210803065633.pdfIn PDF document text
  • http://hattingtoemrerogsnedker.dk/userfiles/file/71540924105.pdfIn PDF document text
  • https://coastalstudio.com/images/main/file/petifadojutojaj.pdfIn PDF document text
  • http://vasvaripalmuzeum.hu/upload/file/11750956085.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a86e94c089b---zokemeliteleniku.pdfIn PDF document text
  • http://bhhangkhong.com/upload/images/files/mapexaj.pdfIn PDF document text
  • http://np-laser.com/upload_fck/file/2021-6-20/20210620130130530231.pdfIn PDF document text
  • https://hkbca.org/UploadFiles/file/20210526074724101.pdfIn PDF document text
  • https://auto826.com/uploads/files/xipamikogixibolife.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/zuvotukuxega.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160987b6a978c9---67551963648.pdfIn PDF document text
  • http://ronniejoymemorialfund.com/clients/1/1a/1a75100f29d804137a154ca93ef51a80/File/28101515526.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16087ddc149c71---mirufezarepije.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=most+common+first+initialPDF 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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