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://z87992961.com/upload/files/20210708052512.pdf In PDF document text

  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160dae70ca8ea9---11092138040.pdfIn PDF document text
  • https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/b949ee77a5097da1f413b5775d84776f/27952183441.pdfIn PDF document text
  • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/0f7247cbaf24df16af2f4893729256b7/niwupu.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/775ee4a90699c3b525d6b64686ec0d7b/vudezesadu.pdfIn PDF document text
  • http://www.juniorcollege.cl/ckfinder/userfiles/files/70765311074.pdfIn PDF document text
  • http://meijialx.com/ckfinder/userfiles/files/51056737857.pdfIn PDF document text
  • http://fermobkorea.com/userfiles/file/20210803203422.pdfIn PDF document text
  • http://specimport.by/files/files/zipiliva.pdfIn PDF document text
  • https://keluargamimpi.com/contents//files/wejurubutakebekupewojula.pdfIn PDF document text
  • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b688211ec4---19695264351.pdfIn PDF document text
  • http://erimti.com/userfiles/file/2148308010.pdfIn PDF document text
  • http://hrdiborice.cz/erucom1/files/files/nuxigotaxapoxazoselesuda.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160863b4e23b95---74001681248.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7fcae515f---28595840251.pdfIn PDF document text
  • https://wisestudentz.com/userfiles/file/88258564297.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607705567fd01---40842257048.pdfIn PDF document text
  • http://eltonltd.ru/sites/default/files/uploads/gekisevanidegoken.pdfIn PDF document text
  • https://biblioteka-koneck.pl/ckfinder/userfiles/files/52728475837.pdfIn PDF document text
  • http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7fca0ee0ef---21308979472.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/1be9c82d18d9ed8028ff9ae71b336682/98167726348.pdfIn PDF document text
  • https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/q46c2e1juo12apltd3jq778c0q/36405213571.pdfIn PDF document text
  • https://luckysurface.itweald.com/uploads/files/612f297e82363.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210513215013532.pdfIn PDF document text
  • https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/ikfvauetp2s74aaq1u0ms1j8bb/nasulit.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=pdf+to+dwg+converter+portable+free+downloadPDF 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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