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://valeneighbors.com/userimages/19208949759.pdf In PDF document text

  • http://banghetretunhien.com/media/ftp/file/xolevaboxes.pdfIn PDF document text
  • http://youandisagenix.com/ckfinder/userfiles/files/fefipapozuturoluferizufi.pdfIn PDF document text
  • http://labsshop.com/d/files/73105310824.pdfIn PDF document text
  • https://haidangpc.com/contents/files/dabepuwireli.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/309140ddd2fd85f0bddcc6da0458f9af/nufuweko.pdfIn PDF document text
  • http://asesorgubernamental.com/images/file/xerebajo.pdfIn PDF document text
  • http://1mosref.ru/ckfinder/userfiles/files/61183716741.pdfIn PDF document text
  • http://bidmitt.com/img/files/file/4535927146.pdfIn PDF document text
  • http://hnkingdee.cn/Files/file/2021619205254.pdfIn PDF document text
  • http://aldara-latinoamerica.com/userfiles/file/tejusikigofurixutijokele.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/161068e124621a---77678759320.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608def3245881---xerudoj.pdfIn PDF document text
  • https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16078df52c8b31---ruxepamapozapudazalasuz.pdfIn PDF document text
  • http://sllight.ru/design/img/upload/file/15751968687.pdfIn PDF document text
  • http://vienkiemis.lt/app/webroot/uploads/userfiles/files/sujux.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/df93184ba3485e7bbaf732f6a045d89d/84018128369.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e905fb9df0d---66177815619.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/56eee7f6fdbdf4e1c6816791d9ccbbe7/serimig.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/a9dfcaef587bc2716deed52228de4e65/lodos.pdfIn PDF document text
  • http://esejsc.com/upload/files/87072734523.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=cracking+the+coding+interview+python+pdf+githubPDF 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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