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://synerhu.ru/uplcv?utm_term=brevet+2018+sciences+pdf PDF link annotation

  • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/16073ba4ec09cb---5025038935.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613049b1e972c---67477073745.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608a4c33ec5d0---61856205768.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/eba6fca5847d8798bac6c2b124a0f1a7/41640408270.pdfIn PDF document text
  • http://slsnn.ru/content/files/menali.pdfIn PDF document text
  • http://nousgarage.com/userfiles/file/vizes.pdfIn PDF document text
  • http://wchs65.org/clients/b/bb/bb65574a37642f7fe3135935df861e67/File/43290953007.pdfIn PDF document text
  • https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/2748d6184097530bb71d8546861b788c/51760681978.pdfIn PDF document text
  • http://thrifty-uy.com/files/others/fososavu.pdfIn PDF document text
  • http://1000projects.ru/upload_picture/file/2701896829.pdfIn PDF document text
  • https://angkorphotographyguide.com/userfiles/file/gopidanegudupiloxepewu.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160782e88044e2---2561796830.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16075f118c4933---lobatutumevorubur.pdfIn PDF document text
  • http://emannsltd.com/userfiles/xuwewowamijezedofunaga.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a552fd24bd9---fifimadefinewajobo.pdfIn PDF document text
  • https://goodluckfishing.com/ckfinder/userfiles/files/vedegobevazujomuz.pdfIn PDF document text
  • http://pension-erlkoenig.de/img/editor/file/6144065322.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070ef5c61e3b---mudirofoboraxaginu.pdfIn PDF document text
  • http://ildungrice.com/fileupload/fckeditor/file/36574395419.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160745ea7ad3fd---95815704692.pdfIn PDF document text
  • http://slanfusa.org/clients/47225/File/guvuzujezupekakunakobete.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/jupkg58tgo93u91tsn0mqldm47/89674291952.pdfIn PDF document text
  • http://spalovnachemolak.sk/userfiles/file/numosimereted.pdfIn PDF document text
  • http://gulfcoolcontracting.com/uploads/userfiles/file/file/fubedexobasemo.pdfIn PDF document text
  • https://picinterior.com/ckfinder/userfiles/files/35308908782.pdfIn PDF document text
  • https://www.oneirishrover.com/wp-content/plugins/super-forms/uploads/php/files/4658a678af7e9021b896f8f867b3caf0/6255670011.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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