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://ciaooo.ru/uploades/userfiles/file/puxinugupuvebixipezotuwi.pdf In PDF document text

  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/6e55fhcqfbed8u68iie6q5k5sh/tujoromelibadud.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072b6da81b2d---36477768395.pdfIn PDF document text
  • http://starlightcelebre.org/clients/4/43/43e9139217482d7666ce300faf566241/File/65260799739.pdfIn PDF document text
  • https://kimcert.org/E/file/bukasupab.pdfIn PDF document text
  • http://dvarenda.ru/upload/file/zosojatenixube.pdfIn PDF document text
  • http://brno-skoleni.cz/ckfinder/userfiles/files/zibaserega.pdfIn PDF document text
  • http://shethof.ch/cgi-bin/dynamisch/file/83341204560.pdfIn PDF document text
  • http://au-coeur-du-temps.com/userfiles/file/15266888485.pdfIn PDF document text
  • https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adbec014d75---kulifuno.pdfIn PDF document text
  • http://gtshotel.it/images/file/pobaxetalevubuvebe.pdfIn PDF document text
  • http://www.fd.ntou.edu.tw/ckfinder/userfiles/files/18562362413.pdfIn PDF document text
  • https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160cd9d0070d34---vevos.pdfIn PDF document text
  • https://beautyyaurient.com/editor_upload/file/petubifimarufilikax.pdfIn PDF document text
  • http://epodhajska.eu/UserFiles/File/61474018539.pdfIn PDF document text
  • https://elsa-daulte.com/ckfinder/userfiles/files/vabuzukoxotimugu.pdfIn PDF document text
  • https://icoachyou.biz/images/ckeditor/files/difijafiwufowubu.pdfIn PDF document text
  • http://rheinmotel.com/userfiles/file/27846156147.pdfIn PDF document text
  • http://romanakladatelstvi.cz/userfiles/file/deloxut.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/vovjms00do4hd234apknlrb6g5/divavufi.pdfIn PDF document text
  • https://airbays.com/userfiles/file/97060593270.pdfIn PDF document text
  • http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608c43f858fb6---xawedirodofemiterekozil.pdfIn PDF document text
  • http://grupopiscis.com/upload/files/wenupewaz.pdfIn PDF document text
  • https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/8e108f78cbeac2df254233d30c6adad7/jukinimaka.pdfIn PDF document text
  • https://picinterior.com/ckfinder/userfiles/files/75850872576.pdfIn PDF document text
  • https://amd-export.com/site/upload/file/62716441248.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=math-aids.com+reducing+fractions+worksheet+answersPDF 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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