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://coretry.ru/uplcv?utm_term=archith+boloor+medicine+3rd+edition+pdf+free+download PDF link annotation

  • http://proreferee.ru/uploads/ckfinder/files/modirepujugot.pdfIn PDF document text
  • http://ifaistos.reality.gr/~triantaf/images/file/zigejemekavujowesov.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612eaa0e944be---kebot.pdfIn PDF document text
  • https://doublehair.center/upload/ckfinder/files/dulagawoxarebikebuzupi.pdfIn PDF document text
  • http://kelakewangshangduchang.a9188.com/upload_files/art_files/files/20210913_183057.pdfIn PDF document text
  • http://www.frank-diagn.hu/userfiles/files/jilaveretikufugozufabuzo.pdfIn PDF document text
  • http://resetimpianti.it/reset/public/file/vakaragiguzim.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613f786252063---makokoxeresuleduvediseput.pdfIn PDF document text
  • http://xn--oy2b9bv81anouola.com/upload/file/202109121751063083.pdfIn PDF document text
  • http://travellerisland.com/files/telifejovelorabepawi.pdfIn PDF document text
  • http://ziguratex.com/helpdesk/app/webroot/img/userfiles/files/2344624375.pdfIn PDF document text
  • http://hotelbellevuepalermo.com/userfiles/files/vedojetuba.pdfIn PDF document text
  • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613b088db6143---6514427103.pdfIn PDF document text
  • https://eastmangroupllc.net/ckfinder/userfiles/files/tedumupa.pdfIn PDF document text
  • http://demirlermetal.com/resimler/files/28672500578.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/16140ba3d45020---94099208278.pdfIn PDF document text
  • http://domoticasociale.it/immaginiNewsletter/file/83248535607.pdfIn PDF document text
  • https://cobaltinc.org/userfiles/file/97368490611.pdfIn PDF document text
  • http://sparkpro.lv/content/file/bebikitedonokawezopoti.pdfIn PDF document text
  • http://tnslib.net/userfiles/files/zujepikapilop.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/62910sqrocsl1ju8lc1g8siqsf/lisixekegefuwekoxixufedu.pdfIn PDF document text
  • https://www.zolmedis.lt/ckfinder/userfiles/files/vesuxexakegurif.pdfIn PDF document text
  • https://sitycare.com/FCK-UserFiles/files/dosonufu.pdfIn PDF document text
  • http://andlupa.com/userfiles/file/barogaduxa.pdfIn PDF document text
  • http://cmcthailand.com/ckfinder/userfiles/files/ziwuvupigezasirajege.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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