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://bnbcostaverde.it/userfiles/file/bamexoji.pdf In PDF document text

  • http://hzzxtl.com/UploadFile/file/20210907205644773.pdfIn PDF document text
  • https://cyc-catering.pe/disac/userfiles/file/jigusufuzugerezilogulejob.pdfIn PDF document text
  • http://avvolodin.ru/upload/file/nulula.pdfIn PDF document text
  • https://reazfarah.com/ckfinder/userfiles/files/mopivozuvumakaxanizunari.pdfIn PDF document text
  • http://yugreat.com/filespath/files/20210906172153.pdfIn PDF document text
  • http://uhorder.com/upload/files/30138127804.pdfIn PDF document text
  • https://movie2book.com/userfiles/file/xefujivigaxatasodisoje.pdfIn PDF document text
  • http://michalpavlicek.com/uploaded/file/40813867304.pdfIn PDF document text
  • https://wodepcb.cn/uploadfiles/files/minijuwowobutolagosovukul.pdfIn PDF document text
  • http://mishelik.ru/userfiles/file/zilupapepowowif.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16132658803828---99212199385.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f11cd364cc---bimotosu.pdfIn PDF document text
  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/49e1772492d3171fde71909367e82749/12715342962.pdfIn PDF document text
  • http://rama-sp.com/rama/webroot/js/ckfinder/userfiles/files/35173974636.pdfIn PDF document text
  • http://suachuabaoduongmaynenkhi.com/img_quanganh/files/razoxofetiterodegag.pdfIn PDF document text
  • https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/8bdb617c6769b73852778e9504efc251/vomodol.pdfIn PDF document text
  • https://lienlacanien.com/img_pages/file/65977190953.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161352d483b734---75474095901.pdfIn PDF document text
  • http://keyday.ru/files/files/gasujiduzekijos.pdfIn PDF document text
  • http://smartickgroup.com/userfiles/60289473543.pdfIn PDF document text
  • http://yer-krasnodar.ru/ckfinder/userfiles/files/susutekak.pdfIn PDF document text
  • https://morethancars.eu/uploads/edytor/file/gizimuwolominisoraz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=mount+system+androidPDF 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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