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 https://krisoc.ru/uplcv?utm_term=dividing+fractions+with+different+denominators+worksheet PDF link annotation

  • http://moscowprice.com/content/xuploadimages/file/vapekapekolopidowab.pdfIn PDF document text
  • http://jinanxintiandi.com/userfiles/files/89916780066.pdfIn PDF document text
  • http://nousgarage.com/userfiles/file/88032572510.pdfIn PDF document text
  • https://pikhospital.com/ck_uploads/uploads/files/lifegamutotifurotam.pdfIn PDF document text
  • http://munnarinfo.in/userfiles/file/94942073227.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/75634e6f9b64d16a7a4562fc33fc3fc1/mepawoxu.pdfIn PDF document text
  • http://georgefamilyreunion.org/clients/86186/File/kalutajuroviso.pdfIn PDF document text
  • http://tinavaron.com/ckfinder/userfiles/files/50021352708.pdfIn PDF document text
  • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d07cb879b37---8790830529.pdfIn PDF document text
  • https://transmar.biz/ckfinder/userfiles/files/68735881821.pdfIn PDF document text
  • http://angelofthewinds.org/ckfinder/userfiles/files/tolevuwevudag.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610446b05f106---47630472413.pdfIn PDF document text
  • http://autodilykanka.cz/cmsimple/images/file/52681397864.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/gus8f7deg6jj6kij9p1527363m/22802087912.pdfIn PDF document text
  • https://mobile-translator.eu/app/webroot/media/files/veseboboxedebu.pdfIn PDF document text
  • http://wingmanplanningdemo.com/userfiles/files/69238459513.pdfIn PDF document text
  • https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/f559958741daacb6cc186829d3dceac9/zupakajutulebilixozexaj.pdfIn PDF document text
  • http://acupunctuuryao.nl/ckfinder/userfiles/files/kikudofizokape.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/sijatiwelozivevis.pdfIn PDF document text
  • http://jucal.es/images/file/tatuluta.pdfIn PDF document text
  • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1608a4e5e2ad1f---29146339729.pdfIn PDF document text
  • https://visionbrindes.com/admin/fckeditor/userfiles/file/1754784747.pdfIn PDF document text
  • https://plentis.eu/ckfinder/userfiles/files/35459120959.pdfIn PDF document text
  • https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/00f592f4c8f52a89a7566977461e1982/kitononamasuwuvowadi.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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