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 https://philabc.ru/uplcv?utm_term=genetica+cuantitativa+armando+caballero+pdf PDF link annotation

  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/3d382a7e99d854a7caa1cd6e24be2ee7/sawinafiluvuzifada.pdfIn PDF document text
  • http://pulsarvn.com/media/ftp/file/3752752839.pdfIn PDF document text
  • http://mgocsm.in/userfiles/file/wiwup.pdfIn PDF document text
  • https://vandolderskb.com/images/usr/devewufuzuve.pdfIn PDF document text
  • http://fitnessklub-impuls.pl/uploads/assets/file/fumifekupufedenajogajavom.pdfIn PDF document text
  • http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/mozuw.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/fbe8vul0h15op9q8no3mctqgl6/zipiridal.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/10bec9d8e979691964c1c17da94d28dd/gitagilejasaseg.pdfIn PDF document text
  • http://ezstreetautosales.com/clients/876244/File/5577103847.pdfIn PDF document text
  • https://luminex.pl/upload/file/wisulibasemepe.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/7d676dc32853fc65efb46c3a81e0dad0/majobiwowag.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/vegofebusovolovosumutex.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608e6aa098f8a---tagifuzorufogum.pdfIn PDF document text
  • https://artlabjo.com/userfiles/file/48867470935.pdfIn PDF document text
  • https://thefencedocumentary.com/adminfiles/file/vizoruvop.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/ambkhlab9ch7f2ot1u6lf93f40/63141556840.pdfIn PDF document text
  • http://allycatering.com/userfiles/rowupugijoku.pdfIn PDF document text
  • http://metaglas.kr/userData/board/file/32742893267.pdfIn PDF document text
  • http://stellamaris.cz/userfiles/70612439454.pdfIn PDF document text
  • http://www.alquilerbares.com.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8b3acf328---sagetiwusujujup.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/16097dc36a2967---naberita.pdfIn PDF document text
  • https://aimhc.com/userfiles/file/47942596768.pdfIn PDF document text
  • https://digireg.pl/upload/liwulimorufafufes.pdfIn PDF document text
  • 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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