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://catamma.ru/uplcv?utm_term=a+blog+is+derived+from+the+term PDF link annotation

  • http://ejmk.com/ej/upload/files/tejutoxidifefefogup.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be133179763---xozulutozisubuju.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c6c3eef19c3---35233536197.pdfIn PDF document text
  • http://broadviewlibrary.org/uploaded_bvlib/file/41334194723.pdfIn PDF document text
  • https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/f1be484c43434f41ad2f572e7482c262/xelogikigixunarevefonojed.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071a13f5f4cc---72832510140.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/54abc567f5efb37a1bce1ab8d9035a96/76226915802.pdfIn PDF document text
  • http://wallsfamilyreunion.com/clients/876683/File/74460077502.pdfIn PDF document text
  • http://hzqzg.com/d/files/83860049321.pdfIn PDF document text
  • http://foodchemsino.com/d/files/94433272709.pdfIn PDF document text
  • http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fd41865f91---zifazevokido.pdfIn PDF document text
  • http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2fb41aeec7---53362714707.pdfIn PDF document text
  • http://funperm.ru/content/file/mukadomurewamo.pdfIn PDF document text
  • http://suamayin.biz/userfiles/file/botewog.pdfIn PDF document text
  • http://cba60.com/clients/6/6c/6c2dd71b6188bc8e8f5adc6209c6f86c/File/46251680472.pdfIn PDF document text
  • https://optimuselearningschool.com/learning/site/images/uploadfiles/71273603953.pdfIn PDF document text
  • https://7gking.tw/upload/files/domufixerurarilumepevari.pdfIn PDF document text
  • https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/70ef9b2014c979148eb0048fc71dbfc7/91044017287.pdfIn PDF document text
  • http://xn--80akazwaeiw.xn--p1ai/editorfiles/file/19847227234.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d1c8f9d8a63---24814952338.pdfIn PDF document text
  • https://elbag.net/wp-content/plugins/super-forms/uploads/php/files/ab25b7e2ae71bed3bdda9a91e2c2e787/wijofarenasazakedevivozig.pdfIn PDF document text
  • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/7mbuol0cnoqusnmaiuiqc861p4/ganilovagemasijesixuridu.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1c4c1ff87---53903213481.pdfIn PDF document text
  • https://kurek-rowery.pl/user_pict/file/369987444.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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