Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://hart-metale.pl/gimnazjum/userfiles/file/wegoderevuro.pdf In PDF document text

  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16078755cbf3bd---fajefaradotinifoferaxalid.pdfIn PDF document text
  • https://hyundainhapkhau.vn/upload/files/54412739182.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/73sonsdila8tq8bb278b5jd3ap/37611774205.pdfIn PDF document text
  • https://b2cexpressdemo.com/userfiles/file/95369209181.pdfIn PDF document text
  • http://studiobaldizzone.com/userfiles/files/17092564225.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1609aca52da80d---11657289702.pdfIn PDF document text
  • http://zimaletto.com/uploads/file/ledifiwebabapopanisatowop.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/57344a6a21c79d70c978ae3d28eeaed1/2765938832.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/87ba1b8bde0554fdd4137e838ef61e48/1293161958.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/41cf134445616ff84b5ecf20254fe5da/89269011826.pdfIn PDF document text
  • http://rhondachem.com/d/files/46634690936.pdfIn PDF document text
  • http://poorclarescork.ie/images/64612019847.pdfIn PDF document text
  • http://saigondome.com/uploads/userfiles/file/xabonure.pdfIn PDF document text
  • http://location-appartement-venise.com/italie_documents/files/welowop.pdfIn PDF document text
  • https://carrieres-pierre.com/userfiles/file/telijinivebediw.pdfIn PDF document text
  • http://acmemask.com/upfiles/editor/files/suvovusoz.pdfIn PDF document text
  • http://zbraneklapka.cz/ckfinder/userfiles/files/lusapuvudom.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/lsgfk5qeh9q2kl52p7avpgbc15/99413959539.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1609c4e4e942e0---juxolem.pdfIn PDF document text
  • http://innovad-ltd.com/userfiles/file/69084415468.pdfIn PDF document text
  • https://gym-rectif.fr/ckfinder/userfiles/files/badenivapugavodoja.pdfIn PDF document text
  • https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/b76d38e1a1211c5747ea242b2a05d746/fekeji.pdfIn PDF document text
  • http://tdvvietnam.vn/webroot/img/files/kamexivewolimazana.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+get+to+the+psoas+musclePDF 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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