Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=general+knowledge+quiz+with+answers+multiple+choice+pdf PDF link annotation

  • http://easyliveconstruction.com/ci/userfiles/files/29968941445.pdfIn PDF document text
  • http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/87863196146.pdfIn PDF document text
  • https://juhaszautovill.hu/userfiles/file/78433994452.pdfIn PDF document text
  • https://comobrew.com/newsite/images/user_uploads/file/poxivifipikot.pdfIn PDF document text
  • http://benetalent.com/upload/files/5108009597.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160abbba8edf54---84979736653.pdfIn PDF document text
  • http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608115f2e8ad2---78629062569.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/3l2onb4hd2o350gd0fn6pf6kg3/molukebodezipitavubug.pdfIn PDF document text
  • https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/gsilacso1r78nfuujr7lsmhqf4/xulidanikobuwa.pdfIn PDF document text
  • https://247christianity.org/fckeditor/userfiles/file/zaruxotej1620811963.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607368b48e212---13234219456.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/f534c42a2d24c2de5e9bd9394af29b05/25412826073.pdfIn PDF document text
  • http://zkojicin.cz/userfiles/file/24723690416.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094f1cc4bb78---fozatasisijakuduzawibiw.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/br2jnic5qfrm4f361r8trmlprr/81556807834.pdfIn PDF document text
  • https://pima-alarms.rs/slicice/file/76535490711.pdfIn PDF document text
  • https://konzolstudio.ro/uploaded_files/file/dojoxeverawulexan.pdfIn PDF document text
  • http://brandnewgoods.net/userfiles/file/53666009648.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b77ce02d001---15383003940.pdfIn PDF document text
  • http://nationalcoopadvisors.com/userfiles/files/zasekesulufagapij.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160d293acd83e0---modarolami.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fea360ef2e0---kipafigabam.pdfIn PDF document text
  • http://saovietgroup.com/upload/FCK/file/48635662142.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/99f8cd92dbe7b309d4d93749b791d3a6/4416077400.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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