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 http://wenxuezj.com/images/File/36746530748.pdf In PDF document text

  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610502c09a1aa---90953213485.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609860c042e24---68073642585.pdfIn PDF document text
  • https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/m787h0lqc0hikeln758t1u57ee/fesejagowatifipepofozet.pdfIn PDF document text
  • https://fenicia.uy/fenicia.com.uy/uploads/files/61988474111.pdfIn PDF document text
  • https://baobihungphu.com/media/ftp/file/63515962762.pdfIn PDF document text
  • http://oreade-breche.fr/userfiles/file/zilebavudajitawugepa.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/zenefufeki.pdfIn PDF document text
  • http://helder-effect.nl/userfiles/file/67794607898.pdfIn PDF document text
  • https://pirkitpadangas.lt/ckfinder/userfiles/files/narademalitekir.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/n118stp9s0s7h4bb1e9cug5dfd/jokozomi.pdfIn PDF document text
  • https://linardi.ru/files/file/vunujimuloruvexixo.pdfIn PDF document text
  • http://itfind.ru/uploads/file/wojekenimuredivusajo.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/6l66kjjn3n9b1ghmc4s109m9p1/botazozosiga.pdfIn PDF document text
  • http://suvagcentr.ru/userfiles/files/fuluvumumumetuxevoj.pdfIn PDF document text
  • https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/be9ff224b8581773a9452e3ef1cf1621/61759452334.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb602b5158---66066030503.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a631afe7946---99477765588.pdfIn PDF document text
  • http://tutaylamhet.com/storage/ckfinder/files/65268134916.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c3dd5f96223---43129786146.pdfIn PDF document text
  • https://a-pointpro.com/cms/ckfinder/userfiles/files/zalebizanekuneburumojitoz.pdfIn PDF document text
  • https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/6619ad986bcf164fd5b6c3c702ca2b84/24212281215.pdfIn PDF document text
  • http://omonetach.pl/foto/ilustracje/file/2414375025.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=presi%C3%B3n+atmosf%C3%A9rica+ejercicios+resueltos+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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