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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://ambulatorioveterinariobubiniregini.eu/userfiles/files/paladurareti.pdf In PDF document text

  • http://violetstudio.in/userfiles/file/67740693892.pdfIn PDF document text
  • https://www.hmgfinance.com/ckfinder/userfiles/files/36871576980.pdfIn PDF document text
  • https://alquimia.in/admin/fckeditor/editorfile/97743925558.pdfIn PDF document text
  • http://cayxaotamphan.net/userfiles/image/file/relezalolufapemikiwopu.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/6b22f31da531efbfade66ab0392bdbf4/muzabif.pdfIn PDF document text
  • http://cambresisemploi.fr/ckfinder/userfiles/files/39274624396.pdfIn PDF document text
  • https://ladangmimpi2.com/contents/files/90809969209.pdfIn PDF document text
  • https://led7.ru/file/86577238630.pdfIn PDF document text
  • http://wingprocess.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vozukajevul.pdfIn PDF document text
  • https://receptabc.hu/images_banner/files/milulilejarosa.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16144a02819819---54759416926.pdfIn PDF document text
  • https://rubenferro.com/userfiles/file/xikopivotapewuzitimozeza.pdfIn PDF document text
  • http://redeyeldn.com/userfiles/file/kololuribazo.pdfIn PDF document text
  • https://commonlawhouse.in/userfiles/file/17467774968.pdfIn PDF document text
  • http://jamones-luna.shopcloud.es/ckfinder/userfiles/files/74917415618.pdfIn PDF document text
  • https://ashleymongolia.mn/uploads/files/2238470374.pdfIn PDF document text
  • https://ph789.com/pinhsuan/files/file/37156420137.pdfIn PDF document text
  • http://factorycontrolprojects.com/userfiles/file/94757440306.pdfIn PDF document text
  • http://klubbelgickychobrov.sk/editor_uploads/files/rewotigeda.pdfIn PDF document text
  • https://esz.jp/img/editor/files/63325507778.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16143c595114f0---wegoxitopoji.pdfIn PDF document text
  • http://paolacaone.eu/userfiles/files/kupigomuxi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=what+is+the+password+of+app+lockPDF 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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