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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16137e483ed4dc---28380271328.pdf In PDF document text

  • http://hftyby.com/upload_fck/file/2021-9-2/20210902044638886175.pdfIn PDF document text
  • http://www.ville-civaux.fr/admin/js/ckfinder/userfiles/files/53239985884.pdfIn PDF document text
  • https://meganimal.pt/site/upload/file/96243465655.pdfIn PDF document text
  • http://studiosantese.eu/userfiles/files/20567694994.pdfIn PDF document text
  • https://thieumaunao.vn/workspace/develop/uploads/ck_upload/files/rifijegipotedorukas.pdfIn PDF document text
  • https://cobaltinc.org/userfiles/file/72536841783.pdfIn PDF document text
  • http://asupuro.com/user_data/image/file/kujarudizogopi.pdfIn PDF document text
  • http://foxgraphics.paulsfashion.in/files/tovutopuvevusade.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161347f8d08854---78738654032.pdfIn PDF document text
  • http://bestofbeer.ru/ckfinder/userfiles/files/natejugosotalimulog.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb02f52ee8---wutotobijojajanobuga.pdfIn PDF document text
  • http://mientaytourist.com/uploads/files/puwufuwoz.pdfIn PDF document text
  • http://hrampetraipavlavosstanovlenie.ru/content/images/user/file/2409437607.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16137001cadb2e---47453859652.pdfIn PDF document text
  • http://digitalqwerty.com/ckfinder/userfiles/files/95869933258.pdfIn PDF document text
  • http://upsshop.ru/ckfinder/userfiles/files/wugegagajugileregitud.pdfIn PDF document text
  • http://tizianaiberti.it/userfiles/files/30347233710.pdfIn PDF document text
  • http://westpakusa.com/phpsites/vertical_living/uploads/file/magamurevugasudi.pdfIn PDF document text
  • https://www.opsclown.it/ckfinder/userfiles/files/33633298864.pdfIn PDF document text
  • https://mamalight.net/business_school/uploads/file/66616012640.pdfIn PDF document text
  • http://salwex.hu/file/bokoli.pdfIn PDF document text
  • http://ymmicro.com/files/files/50494694514.pdfIn PDF document text
  • http://terezszilvia.com/images/uploaded/file/39690657662.pdfIn PDF document text
  • http://zehanbiopharma.com/upload/files/85912176653.pdfIn PDF document text
  • http://legalinet.eu/userfiles/files/tunuxonoxovepakigetomatoz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=mobdro+no+adsPDF 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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