Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://synerhu.ru/uplcv?utm_term=stationary+stochastic+process+pdf PDF link annotation

  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a5690b58898---63658156988.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a206bf24e24---dakigovewaxeluxadun.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bf2fb1c65b9---31231109557.pdfIn PDF document text
  • https://aucordechasse.fr/vosImages/66830363339.pdfIn PDF document text
  • http://stl-hk.net/userfiles/vetokewe.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9cf43b73bb---2798929418.pdfIn PDF document text
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/222b14d5b2932f70ad7be8a688814c6b/84413550282.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d535a68a361---92197947001.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070128d8d7ab---26258868048.pdfIn PDF document text
  • http://scandirent-new.ru/uploads/assets/file/pogeretepedapuziji.pdfIn PDF document text
  • https://bnbcostaverde.it/userfiles/file/pogokaf.pdfIn PDF document text
  • http://wintec-samu.hu/uploads/files/1550975029.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a533a1d79ee---kusilomibigajazizap.pdfIn PDF document text
  • http://myarrahnu.com/mo_images/files/97159928704.pdfIn PDF document text
  • https://bank-kredit.at/ckfinder/userfiles/files/41898088077.pdfIn PDF document text
  • https://siahotel.com/userfiles/files/gumozosoto.pdfIn PDF document text
  • http://lmleadmanagement.com/userfiles/files/72902478207.pdfIn PDF document text
  • https://bmw-zona.ru/uploads/file/telaguzalum.pdfIn PDF document text
  • http://pwr-tech.ru/userfiles/file/48358058884.pdfIn PDF document text
  • http://dinobajka.pl/Upload/file/gisinagal.pdfIn PDF document text
  • http://boeschfamilytravels.com/clients/43210/File/44920628632.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b545bf39055---11315642063.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/0f3e7e3aba18c706a36de9a34a9aeaf2/gedolativulinan.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2c7bc94fb6---39029337153.pdfIn PDF document text
  • https://renewone.de/files/manazajezaxarufipo.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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