Malicious PDF — malware analysis report

Heuristics 5

• 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://contact-house.com/fckeditor/upload/file/87197574316.pdf In PDF document text

  • http://www.awakohchang.com/image/upload/File/ufovolidajuwifaxunun.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bfdc9c505b---kuwuvazewafurunarefozat.pdfIn PDF document text
  • https://nabsangram.com/userfiles/file/28807321994.pdfIn PDF document text
  • http://xn----7sbakn3aoflleitf3m6a.xn--p1ai/userfiles/file/lefow.pdfIn PDF document text
  • https://textosolutionslinguistiques.com/upload/editor/file/xizozuruzemewoniwelebup.pdfIn PDF document text
  • http://alteredcompta.com/buddha/ckfinder/userfiles/files/16299124937.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139550b02a88---59702343206.pdfIn PDF document text
  • https://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/jomulemabe.pdfIn PDF document text
  • https://rajatotogroup4.com/contents/files/pujap.pdfIn PDF document text
  • http://surveycook.com/upload/tmp/202109/file/liraxufegur.pdfIn PDF document text
  • https://study-abroad-travel.com/ckfinder/userfiles/file/33746422922.pdfIn PDF document text
  • http://tourhong.com/FileData/ckfinder/files/20210912_33CAB6D0E7BDD355.pdfIn PDF document text
  • https://creativitagh.com/pevron/www/img/file/45495478002.pdfIn PDF document text
  • https://paron-rebondir.com/uploads/files/fonepewunik.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1613266a6d39c0---jamorulifilitavobi.pdfIn PDF document text
  • http://usa-ex.com/images/blog/file/pizogerizerixikenojixov.pdfIn PDF document text
  • http://laserbeautymachine.net/d/files/mujovagidomililunaga.pdfIn PDF document text
  • http://hnc2.com/userfiles/file/42443175126.pdfIn PDF document text
  • http://mq-water.net/upload/87363541750.pdfIn PDF document text
  • http://nobody-films.com/bpms/includes/fckeditor_uploads/userfiles/file/28371725043.pdfIn PDF document text
  • https://www.cifphosteleriayturismo.es/ckfinder/userfiles/files/47752642413.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=gradual+release+of+responsibility+examplesPDF link annotation
  • https://www.rt9.rspo.org/ckfinder/userfiles/files/dewesamusilebirutexuluk.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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