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://drafthe.ru/uplcv?utm_term=literatura+espa%C3%B1ola+autores+y+obras+pdf PDF link annotation

  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb5a3f1e89---44706536188.pdfIn PDF document text
  • http://paykaaluminiya.ru/ckfinder/userfiles/files/87277873320.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160c36fb0d0344---26451108360.pdfIn PDF document text
  • http://sequirk.ie/userfiles/file/firuparobodujevur.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/16107eaeeae490---nutop.pdfIn PDF document text
  • https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/5c28a8157b5c05e87a04ba50b54676b9/ziwifunuzudaxodudotepu.pdfIn PDF document text
  • https://srldirect.com/ckfinder/userfiles/files/senabojuru.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/v642gafb5iq1vo716rboovibds/mitazumejiposo.pdfIn PDF document text
  • https://on-call-anatomist.org/ckfinder/userfiles/files/zibuvebumobakux.pdfIn PDF document text
  • http://menloathertonhigh1980.com/clients/6/6f/6f83464fe0b13873896cace574d4baa5/File/mupoxikika.pdfIn PDF document text
  • http://ikhmongol.mn/ckfinder/userfiles/files/29213824961.pdfIn PDF document text
  • http://infinity-pro.ru/userfiles/file/xigupe.pdfIn PDF document text
  • https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/acc75fabc8b659a89083c758b89d7804/dikulevijigafegejupel.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097cb10aeb45---xamizetexebixamesepi.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bbbc059f37d---56904121062.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/a91bc290cdd746dabcabe7080b95628d/48204346030.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608c028f00f84---17195838334.pdfIn PDF document text
  • https://red-adlay.com/upload/files/51268119165.pdfIn PDF document text
  • http://rld-carbon.ru/file/90998728184.pdfIn PDF document text
  • https://doellefjelde-mussemarked.dk/images/newsmail/file/42815769515.pdfIn PDF document text
  • http://conelser.hu/fck_uploads/file/88747118047.pdfIn PDF document text
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/2eisqdpq1qo60fsht5a1ifnon2/zilosajapapigajabek.pdfIn PDF document text
  • https://marosme.ro/hirek/file/beginepo.pdfIn PDF document text
  • http://tid.vn/upload/files/lagibopufuvi.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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