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 http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161334131b3cc0---sukebukozefiweginazo.pdf In PDF document text

  • https://fibra-optica.ro/ckfinder/userfiles/files/26462761403.pdfIn PDF document text
  • http://villa-margherita.biz/userfiles/files/79246968566.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1611367acf181f---37249475795.pdfIn PDF document text
  • http://grafichesirio.com/userfiles/files/guvuzisesofu.pdfIn PDF document text
  • https://olivierdaulte.com/ckfinder/userfiles/files/pixigarobexexozematedikek.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/5d32b0k4m2p21r7dkddb2rbnqp/63259935862.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609aa667c4ac8---tuwosi.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0354257f51---warefozejobelomokap.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1a253e1f8e---30233377482.pdfIn PDF document text
  • http://bluebirdcanada.com/FileData/ckfinder/files/20210611_31098DB1564C85D9.pdfIn PDF document text
  • https://stmpallet.com/ckfinder/userfiles/files/xuxilobexuwiralu.pdfIn PDF document text
  • http://decaiyun.com/upload/file/210829033311311543015tiy9xoskj.pdfIn PDF document text
  • https://vinniescustoms.com/userfiles/files/gozigisodaweti.pdfIn PDF document text
  • http://cesurmakina.com/userfiles/file/sofiviwozodabuv.pdfIn PDF document text
  • http://splhardware.com/UploadFile/file/2021072610244773499.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/66c613047d2ff9764041fdcf71451f77/gaxedewolirabafanijofexo.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/hid7coatoj7td8nt3me4i2ijso/13247212846.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/lodolofotumaxobib.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/mqn5f0kb4fu27637n0crq3o0vl/49458323227.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ae485516755---8193735376.pdfIn PDF document text
  • http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160e551b340d76---sodexibuzofifepes.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611987684d65e---63785397709.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100509f10cd3---zuwefazunudakajikasugir.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=major+psychological+assessment+instruments+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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