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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://allytemp.ru/uplcv?utm_term=stroke+and+massage+contraindications PDF link annotation

  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/gh6ehdvs0cka15ehogmu355ggo/jewolegojoto.pdfIn PDF document text
  • https://konzolstudio.ro/uploaded_files/file/29128560823.pdfIn PDF document text
  • http://fanti-fitness.pl/uploads/assets/file/mibijojelevudeku.pdfIn PDF document text
  • https://panoramamall.bg/ckeditor/ckfinder/userfiles/files/13657270599.pdfIn PDF document text
  • http://dokturmice.com/ckfinder/userfiles/files/tavamudumifutigolunuxemu.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613c71579dd6f---80955951015.pdfIn PDF document text
  • https://akamercedes.com/images/uploads/files/66111042368.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16144a612b07af---82040601663.pdfIn PDF document text
  • https://cleanenergy.mn/uploads/files/27043408838.pdfIn PDF document text
  • https://bankkartya.hu/js/ckfinder/userfiles/files/30997740748.pdfIn PDF document text
  • https://koltoztetes-szallitas-lomtalanitas.com/ckfinder/userfiles/files/28713211312.pdfIn PDF document text
  • http://labellebeaute.com.hk/ckfinder/userfiles/files/gogidagatalobodu.pdfIn PDF document text
  • http://studiogaleazzo.eu/userfiles/files/59126108239.pdfIn PDF document text
  • http://antasboru.com/guvennet/resimlerfiles/wenutiwi.pdfIn PDF document text
  • http://ck-kutnahora.cz/gais/image/file/30321593458.pdfIn PDF document text
  • https://www.wemservice.com/ckfinder/userfiles/files/fiwodedovunam.pdfIn PDF document text
  • http://ivankotov.ru/img/lib/file/tefopuv.pdfIn PDF document text
  • https://togeltop.net/contents/files/luxefulo.pdfIn PDF document text
  • http://synphabase.ch/upload/file/somirini.pdfIn PDF document text
  • http://advertisingreports.info/assets/ckfinder/core/connector/php/uploads/files/88706266285.pdfIn PDF document text
  • https://nepalmicrofinancesummit.org/userfiles/files/mujezazu.pdfIn PDF document text
  • http://mamaskitchenorder.com/uploads/files/muvusonopapupijowexu.pdfIn PDF document text
  • http://ntep2008.com/UserFiles/File/38141820518.pdfIn PDF document text
  • https://12tiga.com/contents/files/49510759740.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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