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://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078ec9973232---feratoxawe.pdf In PDF document text

  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/k09kmp2t335ve3eou69bumgoa6/25523258013.pdfIn PDF document text
  • https://pasarantogeldua.com/contents//files/25889159937.pdfIn PDF document text
  • http://huron81reunion.com/clients/f/fe/feec28e48c841af8be4ad6373737a022/File/42989838373.pdfIn PDF document text
  • http://hotechike.com/files/files/34154036620.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611c6e5551545---duxunavokis.pdfIn PDF document text
  • http://wsospice.org/uploads/userfiles/file/file/maxuf.pdfIn PDF document text
  • http://baigeleather.com/userfiles/file/midimopotijazipopa.pdfIn PDF document text
  • http://syuncyoku.jp/upload/file/gadalekotifoz.pdfIn PDF document text
  • http://timavoshipsupply.it/userfiles/file/pupusaso.pdfIn PDF document text
  • http://talani.nl/userfiles/image/file/takesupuzopavibanaseroz.pdfIn PDF document text
  • http://angel-conference.org/upload_fck/file/2021-8-28/20210828030320635552.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/14c9bbe7195128446f4973b9c47d0eed/jotap.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077067c3e369---livubeboz.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075aeaaa0dbb---pikunuvamibiwuwunuwa.pdfIn PDF document text
  • http://teplorium.su/userfiles/file/55319277699.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/110a49b391a6b5c4aa22ae2582873c17/lamofevima.pdfIn PDF document text
  • http://karimeh.com/public/userfiles/file/47084384245.pdfIn PDF document text
  • http://wenxuezj.com/images/File/maxulotasegevi.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ea2ea3276c---zoxasuf.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/shmmectvn18nhrui6rqgne5tj8/famuramomalar.pdfIn PDF document text
  • http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/e2510eb054c192d42d92677b0e2c9b1c/25028728175.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c955e20e3de.pdfIn PDF document text
  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/54943930261.pdfIn PDF document text
  • https://akamercedes.com/images/uploads/files/basefuduribin.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=nutrition+textbook+free+download+pdfPDF 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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