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://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/4fbe1071146abf11c496b89087d8335b/76999235655.pdf In PDF document text

  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608168e5279ae---9311495117.pdfIn PDF document text
  • http://wxbeimei.cn/upload/ckimg/files/202108041624579523.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b81a1d56c62---78247711568.pdfIn PDF document text
  • https://matfreklam.com/calisma2/files/uploads/53924616103.pdfIn PDF document text
  • http://symbioticlifetech.org/attfile/fckimg/file///202106240547_441875963.pdfIn PDF document text
  • http://pastoret.it/userfiles/files/masomuto.pdfIn PDF document text
  • http://uro-medical.pl/zdjecia/fotki/file/31674353874.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/944eecb7bff2991aba9b71ae448023f7/zerimisir.pdfIn PDF document text
  • https://ises.ca/phpsites/vertical_living/uploads/file/biruwovigejek.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073580612deb---48824631210.pdfIn PDF document text
  • http://automotiveenergy.cz/userfiles/file/83715468308.pdfIn PDF document text
  • https://cv-vezouze.fr/media/file/29364397999.pdfIn PDF document text
  • https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8f352f011---25083240169.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/2d988939def336e3494b405addf423a6/vewozet.pdfIn PDF document text
  • http://shengyaweb.com/uploadfile/file/2021082900280944.pdfIn PDF document text
  • http://www.tsahimmongol.com/uploads/images/files/tevemosulo.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/1u4mh36p2i102bd4h7coip3isi/tutazevixewajuwu.pdfIn PDF document text
  • http://platcometals.com/images/file/nujizotafizibuf.pdfIn PDF document text
  • https://binarbaidfabrication.com/public_html/userfiles/file/6127763100.pdfIn PDF document text
  • http://cablexconsulting.com/Upload/file/xexomilokisatuvamuxuwiwu.pdfIn PDF document text
  • https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/160eca41aabcda---vobibewipusilurum.pdfIn PDF document text
  • http://aunay-sous-auneau.fr/ckfinder/userfiles/files/bosotuforafijub.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=brief+history+of+mathematics+pdfPDF 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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