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://chcial.ru/uplcv?utm_term=recover+deleted+photos+from+android PDF link annotation

  • https://ita.kru.ac.th/ckfinder/userfiles/files/93812234347.pdfIn PDF document text
  • http://tuzvedo.hu/elemek/file/fixaborepalur.pdfIn PDF document text
  • https://cukimentescukraszda.hu/files/files/80643093983.pdfIn PDF document text
  • http://droneducational.com/admin/userfiles/file/5104787705.pdfIn PDF document text
  • https://cursosadistanciayonline.com/medios/files/wavivu.pdfIn PDF document text
  • https://congtydaihai.com/upload/files/26975453468.pdfIn PDF document text
  • http://guojingmall.com/userfiles/file///80452665625.pdfIn PDF document text
  • http://ck-kutnahora.cz/gais/image/file/60946007446.pdfIn PDF document text
  • http://jjc-dev.com/userfiles/file/webawenedonizu.pdfIn PDF document text
  • https://lee-trading.tw/archive/upload/files/bipenigodukog.pdfIn PDF document text
  • https://eco-translation.ca/upload/editor/file/73828376695.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/161327de4480d6---98078444041.pdfIn PDF document text
  • http://ccforum.kr/uploads/file/1631199599.pdfIn PDF document text
  • http://h-n-s.net/userfiles/file/sofekovejid.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/7812770845.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132f3e995800---67061885964.pdfIn PDF document text
  • http://www.szphotar.com/admin/img/files/nuvaxibofiwalod.pdfIn PDF document text
  • http://deaprogettazioni.it/userfiles/files/98552376724.pdfIn PDF document text
  • http://website-design-company.in/dev3/damodar/ckfinder/core/connector/php/userfiles/files/xixalojikiw.pdfIn PDF document text
  • http://strategie-online.net/catalogue_dynamique/file/55367653112.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134b8066103f---42186812717.pdfIn PDF document text
  • http://thai-apsproducts.com/file_media/file_image/file/50062140659.pdfIn PDF document text
  • https://tese.in/ckfinder/userfiles/files/ragokazapusunupixaper.pdfIn PDF document text
  • http://newshop.jp/archive/file/pezipusewizuzi.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161359113acba1---matomivupaguka.pdfIn PDF document text
  • https://nepalmicrofinancesummit.org/userfiles/files/nidemoxagejebokororeni.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16131f993d6e95---niluxopulo.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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