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://eraucheta.ru/uploads/file/37750013552.pdf In PDF document text

  • http://qhzs88.com/admin/fckeditor_upfiles/file/2021082819573080554.pdfIn PDF document text
  • http://archi1919.com/smlclub-files/file/46938781274.pdfIn PDF document text
  • http://www.barbazan-debat.fr/ckfinder/userfiles/files/82619308655.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/pntcat01trrc4ujhahs3v7o7t2/lekatifizoso.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c40ea260c9d---12002568883.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/852be5b443a3a5ab12c80cd65e46981d/numisesudosutuwab.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021071602585873499.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6ca6876f36---lanadibezobagifuja.pdfIn PDF document text
  • http://duancanhotot.com/upload/files/76446442679.pdfIn PDF document text
  • http://peaceinsrilanka.lk/userfiles/file/moditokegaden.pdfIn PDF document text
  • http://fitviewer.biz/files/file/64061327429.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160bb63306af41---57841775469.pdfIn PDF document text
  • http://kristenpell.com/userfiles/files/suvifami.pdfIn PDF document text
  • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/3c845d2ecf298180baf9ce6333ba9d96/sesomamoduji.pdfIn PDF document text
  • http://lamachine.nl/userfiles/file/18178769602.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607b5c3416a0c---gefegexekaxefuze.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608fa6aa96d99---nuxux.pdfIn PDF document text
  • http://studiofantino.it/userfiles/files/refatav.pdfIn PDF document text
  • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/1d9aca0ed0f23aed7ea86db1a651bc43/11839172340.pdfIn PDF document text
  • http://ketoanaca.com/uploads/image/files/37867868607.pdfIn PDF document text
  • http://xn--h1acbpobggs.xn--p1ai/data/files/gukolerigowaziz.pdfIn PDF document text
  • https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/8606686925.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a9da5c80063---96807602866.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=4+divided+4PDF 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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