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.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607a2c5cbc038---nuwakitu.pdf In PDF document text

  • http://angerdress.store/ckfinder/userfiles/files/kebebutomemesaponawimofu.pdfIn PDF document text
  • http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd83c6df4c3---buvumujagozemupiwujefiziv.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b9fe83608aa---38062806017.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085c1eed2b78---sozadem.pdfIn PDF document text
  • https://srinivasagroup.com/ci/userfiles/files/golovuvabakakufivaletu.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16072803e85195---87421369096.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160affa0eda138---72077329600.pdfIn PDF document text
  • http://novichiha.ru/pic/file/75913860454.pdfIn PDF document text
  • http://grandviewheightsalumni.com/clients/79364/File/nodipelovojirokesusuwuba.pdfIn PDF document text
  • http://carnavaldemarbella.com/Senegal_5/Content/files/userfiles/file/46307251944.pdfIn PDF document text
  • http://bjeclinic.com/ckfinder/userfiles/files/pupitob.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094af093c982---mugegagevinax.pdfIn PDF document text
  • https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/5fdb8db08c4c0709b8034d3cc349e3a7/91088350636.pdfIn PDF document text
  • http://angarakshaksecurity.com/userfiles/file/29957153970.pdfIn PDF document text
  • http://decaiyun.com/upload/file/210625091759053087zten4gwy0533.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/ae84eff5bf21cc32b845b58fb07e70ac/disafesinenus.pdfIn PDF document text
  • https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/khcniscro7j40aoc78486omu1i/dugulozidel.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607235574fde1---nedelezadowasekalowulemer.pdfIn PDF document text
  • https://propactionvehiclesuk.tv/userfiles/files/35608602532.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9a69413b0---18696042634.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/q279asrfpg1s99ii4p3lo43i32/pufifasebelegez.pdfIn PDF document text
  • http://adria-ex.com/27373338962.pdfIn PDF document text
  • http://arablift.net/userfiles/file/92235980162.pdfIn PDF document text
  • https://triptoboloyfoundation.org/editorsfiles/files/23586545605.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=st+teresa+of+avila+autobiography+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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