Malicious PDF — malware analysis report

Heuristics 8

• 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 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.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://catamma.ru/uplcv?utm_term=pokemon+card+maker+online PDF link annotation

  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/e9ef21770b91fd26fb4f5dde50e180ab/19452151888.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/kozelixepomivazerikir.pdfIn PDF document text
  • https://phucatgarment.com.vn/ckfinder/userfiles/files/neduga.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139956b4623d---19594259038.pdfIn PDF document text
  • https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/sirexi.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130e9379fd77---zifagumeleduralafapamud.pdfIn PDF document text
  • https://thediamangroup.com/_images/files/5478875446.pdfIn PDF document text
  • http://cuatro-pr.org/sites/default/files/file/mobazosiwugi.pdfIn PDF document text
  • http://manchetenewsms.com.br/ckfinder/userfiles/files/ludomed.pdfIn PDF document text
  • http://yey.uw52.com/upload/files/degidifafusavolizavufot.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16133f44e27a2a---83069244572.pdfIn PDF document text
  • http://dbexpertise.fr/catalogue_dynamique/file/36168937607.pdfIn PDF document text
  • https://guptajimarriagebureau.com/userfiles/file/67808276250.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1ad32977f---57165295067.pdfIn PDF document text
  • http://ausafe.net/images/art/files/1897514387.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/161398f922046e---27836822586.pdfIn PDF document text
  • http://laboratorioshamalab.com/userfiles/file/42874704221.pdfIn PDF document text
  • http://peetersinstallatietechniek.nl/upload/files/48067815780.pdfIn PDF document text
  • http://wangyiphk.com/userfiles/lapusavidemegamidezu.pdfIn PDF document text
  • http://www.petersonassoc.com/emailimages/file/kuvapuga.pdfIn PDF document text
  • http://okna-dvere-online.cz/media/upload/upload/file/kejasevoxunu.pdfIn PDF document text
  • http://140.121.180.103/ckfinder/userfiles/files/88904460782.pdfPDF link annotation
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1612eae3f85d5f---jidisi.pdfIn PDF document text
  • http://jamesandsons.ca/userfiles/file/24625497844.pdfIn PDF document text
  • http://ingore.cn/upload/files/3137607119.pdfIn PDF document text
  • 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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