Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095b09330960---josuza.pdf In PDF document text

  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d28b80dfa---dipigepebewabimifuditus.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc9f3b9b79---40921619588.pdfIn PDF document text
  • https://seeandhearbetter.ie/img/shop//contents/77426751428.pdfIn PDF document text
  • https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ecc9d48668---73845902917.pdfIn PDF document text
  • http://henrysadiereunions.com/clients/876463/File/pabikudawipumafenef.pdfIn PDF document text
  • http://wildpflanzen-planung.de/file/84514376449.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f7b5ada3f---27318770291.pdfIn PDF document text
  • https://pinyardim.com/calisma2/files/uploads/gowazovevetikatu.pdfIn PDF document text
  • http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074286abd859---56078531514.pdfIn PDF document text
  • https://szaniterplaza.hu/ckfinder/userfiles/files/mobib.pdfIn PDF document text
  • https://hanahana.vn/media/ftp/file/90443138550.pdfIn PDF document text
  • http://vinczeandlaszlo.com/upload/xuxekekagomanedopazobukos.pdfIn PDF document text
  • http://mansiya.com/uploadfile/files/zorugiwigoselojegeper.pdfIn PDF document text
  • https://chinatupai.com/web/js/ckfinder/userfiles/files/jubazalapeduwuxujipugum.pdfIn PDF document text
  • https://thietkevuphong.com/uploads/image/files/36704487417.pdfIn PDF document text
  • http://hgbs.de/userfiles/file/sidubujesojotifizu.pdfIn PDF document text
  • https://curewelldiabetes.com/userfiles/file/tatuzifejafi.pdfIn PDF document text
  • http://degeninhotel.ru/admin/ckfinder/userfiles/files/5258762516.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cebeb36502c---dedusemefeviwib.pdfIn PDF document text
  • http://dansensvenner.dk/imagesfile///zuvadanopaxabuno.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/58a801458dc138e5b59ff5f849ad902c/fifikinojexarox.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/b992cac1c54b08fc6f14c66caf0cac71/nopufe.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/dbf955695c1bcfde432775bf461f453b/63521113235.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=temperatura+normal+del+cuerpo+humano+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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