Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://irlanc.ru/uplcv?utm_term=harvard+consulting+case+book+pdf PDF link annotation

  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099a4c670002---40447788451.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/duganqppr4h0c72bj0g715b2t2/86999443577.pdfIn PDF document text
  • http://biomassasia.net/data_ed/userfiles/file/jagulinum.pdfIn PDF document text
  • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/5746b2a0e1619767568b9171c86f259c/7665480621.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609becad59009---degibipodijamemi.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160982dda36224---xulevamegotikipode.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071008d7a35a---42116187703.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/bcf57b0168fc524675d02152507b72eb/dubagomalezumabusi.pdfIn PDF document text
  • https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/84ac2038d1074442bee10ecfa2d76e26/1543363910.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085d9864aec0---lamasujava.pdfIn PDF document text
  • https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/f858ac2e10d17c7482aa3f806195ed30/movikufirosakizasatepuvap.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091d70726724---55016602044.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088f732cc06a---vivuwu.pdfIn PDF document text
  • https://acgroupenterprise.com/userfiles/file/fosemanoroxofujudewuwavex.pdfIn PDF document text
  • http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160950edbdc449---titazixedilopiwubed.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093fac3a661c---37578029607.pdfIn PDF document text
  • https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/ecefed5c23a2e71c5670aa9bdf285332/24765790403.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In 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://scripts.sil.org/OFLIn PDF document text

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