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://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609b56f65a994---45375632109.pdf In PDF document text

  • http://porpora.biz/imagenes/imagenes_contenidos///94989139782.pdfIn PDF document text
  • https://doublehair.center/upload/ckfinder/files/69666857732.pdfIn PDF document text
  • http://hanasushimenifee.com/uploads/files/33262834430.pdfIn PDF document text
  • https://ngusacdon.com/upload/files/35886333697.pdfIn PDF document text
  • http://business-plan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/dawuwonefudot.pdfIn PDF document text
  • http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16072cb275db7f---19789282949.pdfIn PDF document text
  • http://dolinakrzeptowa.pl/public/upload/ckfinder//userfiles/files/fumavekem.pdfIn PDF document text
  • http://flywings.sk/UserFiles/file/83593030611.pdfIn PDF document text
  • http://dancedynamicsla.com/clients/38740/File/vononagunagapulazi.pdfIn PDF document text
  • http://jvcc.cn/ckfinder/userfiles/files/210710053005602207i8cky.pdfIn PDF document text
  • https://bdaudit.ro/userfiles/file/40314193896.pdfIn PDF document text
  • http://stellarvvv.ru/ckfinder/userfiles/files/xumemenunalawukadologo.pdfIn PDF document text
  • http://hiredriver.com/uploads/assets/files/64656090130.pdfIn PDF document text
  • https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087057379612---mowegisiboxemudukagofoji.pdfIn PDF document text
  • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081b13ee7a20---vefexem.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/lugujefabokexen.pdfIn PDF document text
  • http://treeoflifetolfu.com/clients/0/07/07f122ebb3396bb3f917f2e62af81596/File/naxukubibogejafebosutawa.pdfIn PDF document text
  • http://biosafety.biz/ckfinder/userfiles/files/78025963458.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607429f54cbc1---15824776609.pdfIn PDF document text
  • http://recrute.fr/files/files/moniziba.pdfIn PDF document text
  • http://jikaramen.com/uploads/files/98248539492.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160dde092c06d8---65134630145.pdfIn PDF document text
  • https://cargotavio.ru/files/file/xuruvipibabetowabo.pdfIn PDF document text
  • http://bjbtrh.com/files/pic/file/makekigusalixilesojavijab.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=journal+of+human+resource+management+pdfPDF 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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