Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://infrive.ru/uplcv?utm_term=safety+management+system+in+aviation+book PDF link annotation

  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/7c0f0948f2590c6de5870ba27f7ef05c/57287888194.pdfIn PDF document text
  • https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/sgn0f7cmu3kv4f94sn50v6qpit/31312104347.pdfIn PDF document text
  • http://agendatourvietnam.com/hinhanh/file/zajaguzotefagafu.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1610cb016d60e9---zibinovudimikogof.pdfIn PDF document text
  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16078c9ee858fb---remetarok.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1f1bc22d06---67975604373.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160afbee146c8e---88527931579.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16109c98defacf---80004243731.pdfIn PDF document text
  • http://vuadiemtayninh.com/hinhanh_fckeditor/file/sopabavon.pdfIn PDF document text
  • http://www.jobsincrete.gr/images/_user_na/file/83388219202.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/f2grpu7vf74abetgbq1c3ilpk0/84438625056.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/29767241278.pdfIn PDF document text
  • https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/q85sqr7m8tjsptn3qvhhioi7sa/gugefazizisinewimog.pdfIn PDF document text
  • https://tomclarkvoiceovers.com/userfiles/files/69261556620.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160826605b8840---43106947087.pdfIn PDF document text
  • https://noihoithanhtuan.com/media/ftp/file/53989496072.pdfIn PDF document text
  • http://lindendirect.com/ckfinder/userfiles/files/zobiwixoxosif.pdfIn PDF document text
  • http://bora.su/ckfinder/userfiles/files/kawadawe.pdfIn PDF document text
  • https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/ra9ljbgu3jnugcaa3m991j3v04/ravoletemig.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e3b3ade6b7---kiladurix.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/rlp1csl86lu9p0sbiu1qslmv4e/53054870872.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a869e4b0758---pepeniwok.pdfIn PDF document text
  • http://papaicountrylodge-longstay.com/user_img/files/51234043923.pdfIn PDF document text
  • https://mvpartners.be/images/uploadedimages/file/35246514619.pdfIn PDF document text
  • https://arrayamed.com/userfiles/file/81181623908.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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