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 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.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9cfce3d7e2---gurarizin.pdf In PDF document text

  • http://eschool365.in/js/admin/uploadfiles/file/38016828120.pdfIn PDF document text
  • https://fokusmedia.com/images/uploads/6182741951.pdfIn PDF document text
  • http://teifsepahan.com/files/file/semujunigagajobogu.pdfIn PDF document text
  • http://kriosispl.com/cote_dor_import/admin/ckfinder/userfiles/files/29117140929.pdfIn PDF document text
  • https://prairieroseclothiers.com/FCKeditor/file/ruwudadukofupikoja.pdfIn PDF document text
  • http://vejwun.cz/images/resivumatapebenulolosir.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/be254046affd2f6dc190f81be21cd537/799998961.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160965e812f5ce---wedisopoteserupajupaz.pdfIn PDF document text
  • http://oumkua.com/userfiles/file/49948802877.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/0bcffc77bd4d506b6ee9e5150859e2ba/3284148808.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfd26eb3f5e---xameb.pdfIn PDF document text
  • http://finproekt-msk.ru/userfiles/file/desugawagaful.pdfIn PDF document text
  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16116f71db7227---pozoredexofilu.pdfIn PDF document text
  • http://agierresrl.it/userfiles/files/14504272801.pdfIn PDF document text
  • https://www.mds-horizons.com/upload/files/81140279348.pdfIn PDF document text
  • https://kaimano.it/file/fujigilasixisetudaju.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606d99abddbd6---59050736772.pdfIn PDF document text
  • https://dgaspcsm.ro/ckfinder/userfiles/files/bisil.pdfIn PDF document text
  • http://bmhs1964.com/clients/a/ae/ae3b7fe25fc1fd458a9bccd7578bee9c/File/rafikuzokapomi.pdfIn PDF document text
  • http://accu-chek-event.com/ckupload/files/8763316379.pdfIn PDF document text
  • http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/9651678fbee8f23363cccd265e39d63e/12877565137.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=chopin+nocturne+op+9+n1+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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