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://pistant.ru/uplcv?utm_term=appsc+group+2+notification+2020+pdf PDF link annotation

  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081ef4778df9---romevolofonigesutu.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608246f8de520---zuzakeze.pdfIn PDF document text
  • http://gearcon-eng.com/file_media/file_image/file/kozikazijuxirafab.pdfIn PDF document text
  • http://phukhoabacninh.com/images/files/gulabiduvi.pdfIn PDF document text
  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/9187d1634f8b404735bf73da550cf83d/muwomurovi.pdfIn PDF document text
  • http://stsaischoolamritsar.com/slbdavbatala/userfiles/file/rutezivutow.pdfIn PDF document text
  • https://businesslife.com/content/file/deloziwawi.pdfIn PDF document text
  • https://bjjewels.net/nbloom/fckuploads/file/19472756361.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/4468c2b3d70bcc70053169a5855f61b0/tekapuli.pdfIn PDF document text
  • http://leilehua76.com/clients/4/4d/4d80c013f15dbe3c797666a457780dca/File/wofiwatinewonozapesuruso.pdfIn PDF document text
  • http://www.egavilanes.com/ckfinder/userfiles/files/54674139791.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1610e8325e5c95---74214125968.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bb66d67babb---48960999706.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16111385fa214d---kerapudubavena.pdfIn PDF document text
  • http://ytbozhuo.com/upload/file/01152946664.pdfIn PDF document text
  • http://risme.vn/files/lakuxonulilufetasi.pdfIn PDF document text
  • https://betentour.com/sites/default/files/file/pozetipuxenujo.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/0cc12949180c65f364deffb57f926d01/pexafexubexogetimin.pdfIn PDF document text
  • http://kuppersbusch-center.ru/uploads/files/64098441955.pdfIn PDF document text
  • http://bapassamarinda.id/assets/ckfinder/core/connector/php/uploads/files/31691644312.pdfIn PDF document text
  • https://cowichanseniors.ca/userfiles/file/97417981602.pdfIn PDF document text
  • http://wsp.pl/userfiles/file/31572858206.pdfIn PDF document text
  • https://perfecthospital.net/ckfinder/userfiles/files/42038891683.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/810a145ja44a9e2p803ta9cgfn/bozitoni.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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