Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=instagram+auto+liker+apk+download+2019 PDF link annotation

  • http://longbeach.ilovepokebar.com/uploads/files/lowefuv.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614260f47fbca---18501444729.pdfIn PDF document text
  • http://laboratoriologos.it/userfiles/files/15111285529.pdfIn PDF document text
  • http://lenosada.sk/editor_uploads/files/22208101681.pdfIn PDF document text
  • http://rosg.net/sa_upload/userfiles/file/20210916103653.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/a69c3560869834bce571bd4915582e14/zerewig.pdfIn PDF document text
  • https://cowichanmusicfestival.com/userfiles/file/zegoriredarot.pdfIn PDF document text
  • https://bibliotheque.ville.deux-montagnes.qc.ca/ckfinder/userfiles/files/bawijo.pdfIn PDF document text
  • http://barrospizzadb.com/uploads/files/12834028408.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/acbf809bcf8fca49b1d4a2456a8fc591/43492978552.pdfIn PDF document text
  • https://intrastorg.com/userfiles/file/61812935514.pdfIn PDF document text
  • http://leaguengn.com/userfiles/file///jojola.pdfIn PDF document text
  • http://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/nogesotijasosarisugu.pdfIn PDF document text
  • http://haustechnik-hagenauer.at/93773229853.pdfIn PDF document text
  • http://beccaro.it/userfiles/files/kebos.pdfIn PDF document text
  • http://thietbiytedaibao.com/media/files/71823282332.pdfIn PDF document text
  • http://cloverdiamond.com/file/85655797228.pdfIn PDF document text
  • https://www.carnesvarejo.com.br/assets/ckfinder/core/connector/php/uploads/files/24790867554.pdfIn PDF document text
  • http://saint-party.com/media/file/68408225348.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140e54d419ad---30319073569.pdfIn PDF document text
  • http://autoset66.ru/admin/ckfinder/userfiles/files/51820785211.pdfIn PDF document text
  • http://nceed.kr/pds/userfiles/files/97378776368.pdfIn PDF document text
  • http://fueandhair.com/userfiles/files/petovemuwuzibawuseruva.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1a4733bc5---72315776034.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/161386f15eae9a---22385334546.pdfIn PDF document text
  • http://everintelconsulting.com/upload/file/202109141738525492.pdfIn PDF document text
  • http://knipia.com/userfiles/file/boguxemaw.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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