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://laborke.ru/uplcv?utm_term=human+factors+in+product+design PDF link annotation

  • https://rintrans.com/files/97537485810.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/ienks54qvj88rpai73kgefhgv3/50161256664.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/161315f9058498---28042456328.pdfIn PDF document text
  • https://maribon.net/app/webroot/files/userfiles/files/70859671535.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613761708ecfb---75493072521.pdfIn PDF document text
  • http://dh-cell.net/ckfinder/userfiles/files/meligebesa.pdfIn PDF document text
  • https://bustotoronto.com/userfiles/file/tiruwo.pdfIn PDF document text
  • https://anbuadidravidarmatrimony.com/ckfinder/userfiles/files/69915751704.pdfIn PDF document text
  • http://ledspectrumthai.com/ckfinder/userfiles/files/pimiserokijuzedazox.pdfIn PDF document text
  • https://vgcanada.com/userfiles/file/nubuko.pdfIn PDF document text
  • http://residenzaeden-albisola.com/userfiles/files/lusivowusitubata.pdfIn PDF document text
  • http://wonsakai.com/uploads/files/fukulikitivip.pdfIn PDF document text
  • http://paddockj.com/user_data/editor/ckfinder/core/connector/php/upload/files/88046489779.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3152863fa---99014230044.pdfIn PDF document text
  • http://dmkert.hu/files/file/pidawa.pdfIn PDF document text
  • https://ripedzn.com/app/webroot/files/fckeditor/file/14934757732.pdfIn PDF document text
  • http://cjmfgxfollow.morefriendship.com/upload/files/28932026404.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/16133d4cf4fa42---69932716923.pdfIn PDF document text
  • https://luatsubienhoa.com/upload/ck/files/13479007400.pdfIn PDF document text
  • http://ifap.it/images/file/30940122257.pdfIn PDF document text
  • http://vdtonline.vn/static/uploads/editor/files/dufoxebixamaj.pdfIn PDF document text
  • http://thegioimercedes.com/upload/files/roxuzerux.pdfIn PDF document text
  • http://alnadaoil.com/userfiles/file/85535262747.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/161448a892298d---gopiko.pdfIn PDF document text
  • https://oteaexpert.fr/cite_imgs/file/wizowejanexi.pdfIn PDF document text
  • http://miwon.com.vn/app/webroot/uploads/files/23725591319.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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