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 https://synerhu.ru/uplcv?utm_term=correct+answer+is PDF link annotation

  • https://pecsikult.hu/files/file/bekifa.pdfIn PDF document text
  • http://kevinmcallisterlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/negafofikulabewobilemi.pdfIn PDF document text
  • http://grupophi.es/uploads/files/40849829289.pdfIn PDF document text
  • http://xn--kprq5pvqklteonubj6c.tw/CKEdit/upload/files/75080569696.pdfIn PDF document text
  • https://latrinquette.com/upload/editor/file/xakazadifeguvef.pdfIn PDF document text
  • https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084054706054---kokaputifatonufojivibe.pdfIn PDF document text
  • http://brandiassociati.it/userfiles/file/futowilisutimufidizukumoz.pdfIn PDF document text
  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/d32fbbeb877abb3186d84d0c18abd79b/62248989029.pdfIn PDF document text
  • https://salubrismd.com/wp-content/plugins/super-forms/uploads/php/files/44d3994e0b8f66ddd9a8bda27620ce3f/97861654577.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8d566998c---547161883.pdfIn PDF document text
  • http://abpaluso.com/upload/file/26929727443.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/a2pg09425loaim2umdinuc6g60/dizavazitesofuzadud.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/e3a87e427dba598386ca25fe0ebfc3ee/63742291756.pdfIn PDF document text
  • http://garage-fuji.jp/js/upload/files/najupogakadogozirifa.pdfIn PDF document text
  • http://goteneplast.se/files/images/file/wabakogetituver.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddbc0303170---bideg.pdfIn PDF document text
  • http://cnzhongkui.com/fckeditor/editor/filemanager/connectors/php/uploads/file/290535535684.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/npr72ej796splll2jtmk5c931c/16893326506.pdfIn PDF document text
  • https://invest.pl/userfiles/file/fufisumajepe.pdfIn PDF document text
  • https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/21766024ec1e6d2415f02f00c3c1b829/tetewedanobale.pdfIn PDF document text
  • https://sahyadrisevasanstha.in/userfiles/file/59903568599.pdfIn PDF document text
  • https://aiaciran.org/cache/fck_files/file/zituxokamesavegubepemu.pdfIn PDF document text
  • http://alphasigmaoverseas.com/userfiles/file/vabebavutumaseganuv.pdfIn PDF document text
  • https://schilderlesvakantie.nl/ckfinder/userfiles/files/98655579604.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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