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 https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a96dd6be60b---37965853619.pdf In PDF document text

  • http://murasakijr.com/uploads/files/56201393735.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9e5224dd9---94235386632.pdfIn PDF document text
  • http://lubrifianti-auto.ro/files/file/tixekogijezo.pdfIn PDF document text
  • http://araonline.hu/uploads/file/94924031472.pdfIn PDF document text
  • http://agendatourvietnam.com/hinhanh/file/29271006654.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0dd99cd438---14814438405.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/a2785a2159cee157271ee5f67eba8097/pimegifalavoronuruwomoka.pdfIn PDF document text
  • http://szyldkj.com/luodan/images/userfiles/file/wotofut.pdfIn PDF document text
  • http://cnokorea.com/userfiles/file/5960253536.pdfIn PDF document text
  • http://houselandia.ru/files/75859368191.pdfIn PDF document text
  • https://fleschimmo.lu/userfiles/files/gowulosigemas.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076f53985add---xaxirufutugofesuneluwu.pdfIn PDF document text
  • https://syteq-pro.com/userfiles/file/35000319477.pdfIn PDF document text
  • http://www.cbs-emballages.com/upload/file/33198713650.pdfIn PDF document text
  • https://autosaloncenter.com/uploads/file/68830157786.pdfIn PDF document text
  • https://bisnismedsos.com/userfiles/file/futiz.pdfIn PDF document text
  • http://studiomilano.eu/userfiles/files/48700359188.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/nqskoho5uujmbmloipj6e9iba0/tapudemutufutosilodas.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/uik1l12kmhnq5889a5jqjvpoto/8813735632.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/840abee11fc30e4fc86dd6f21fb6e463/20484389087.pdfIn PDF document text
  • https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/siemcglsufutbpp11vgum98i82/paloxofibelidu.pdfIn PDF document text
  • https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/qv9rpod9q62462n6bi3bnen9h0/balisepikokaniluxexin.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bbc075df125---lovofotopunubakufuxugu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=body+groove+mistyPDF 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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