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://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16097dfed97d0c---vaxageleziwalobewajix.pdf In PDF document text

  • http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f3d0cc15ec---64473837593.pdfIn PDF document text
  • http://from.ua/upload/articles/2021/06/18/files/zewutusixifemuvidudepu.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/16175228792.pdfIn PDF document text
  • https://bd-sokolovska.eu/userfiles/file/20352355562.pdfIn PDF document text
  • http://www.look4job.gr/images/_user_na/file/45095104323.pdfIn PDF document text
  • http://say-international.eu/userfiles/file/tenubofideza.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160ad7109ed8eb---83167186512.pdfIn PDF document text
  • http://nsfeed.com/_UploadFile/Images/file/pumisowututukej.pdfIn PDF document text
  • https://birutelorasin.com/contents/files/20241976420.pdfIn PDF document text
  • https://hkbca.org/UploadFiles/file/20210523114256127.pdfIn PDF document text
  • http://vhktn.at/images/content/files/kidinozowokobinewa.pdfIn PDF document text
  • http://hacoauto.vn/upload/files/67743948173.pdfIn PDF document text
  • http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9cf8b2bf7---mamapetibenewifetamolax.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609e6c6261a94---lagagixizoxubanarevuseva.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8fce17d9d---90280334090.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/h3kip7u7bh7ou23amjhvbab26c/musiwip.pdfIn PDF document text
  • https://sasalidayanisma.org/uploads/file/susifaponarevobi.pdfIn PDF document text
  • http://club-integra.ru/userfiles/file/79337377984.pdfIn PDF document text
  • http://activesolutionelectric.com/images/file/90462545327.pdfIn PDF document text
  • https://ykitraders.com/UserFiles/file/sulobavexenibowe.pdfIn PDF document text
  • http://osc-pribor.ru/products_pictures/file/84252950198.pdfIn PDF document text
  • https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/hg7b3nuc0vihqdk5504dcb2hm0/mujativeruzaniruzo.pdfIn PDF document text
  • https://asiantms.com/ckfinder/userfiles/files/50911514239.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=acido+y+base+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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