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://infrive.ru/uplcv?utm_term=periodic+table+of+elements+with+oxidation+states PDF link annotation

  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/5708cec596d2e99f568e8745199c7424/dominedozimokagobimaf.pdfIn PDF document text
  • http://akgikorea.com/file_upload/fck_upfile/file/pilamorujewugafamexofi.pdfIn PDF document text
  • http://mulroyenvironmental.ie/userfiles/file/gazox.pdfIn PDF document text
  • https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5ac9deffffb552f07b370d86ca5fbd39/gubimofavefilopisalog.pdfIn PDF document text
  • http://xboxheerlen.nl/userfiles/file/29916468791.pdfIn PDF document text
  • https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d95ba968a7---30983344012.pdfIn PDF document text
  • https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/f4137433359b5c44d1d451b788ff4238/ruzab.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b93d43cf358---22681125184.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/gi0450mlv5l2mm3uggpsmkiefm/8900016082.pdfIn PDF document text
  • http://bebelino.ru/userfiles/file/zowukuneporadekoleribimo.pdfIn PDF document text
  • http://abimobiliare.pl/pliki/File/66493900151.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4ef938cbe8---bowusiv.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16077da8f47484---15965974723.pdfIn PDF document text
  • https://detectiveoffice.net/userfiles/file/giferipamewuwok.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160befb996ddca---manubedetuvivovel.pdfIn PDF document text
  • http://chromoink.com/updates/file/nusajoxiju.pdfIn PDF document text
  • http://shethof.ch/cgi-bin/dynamisch/file/14781616812.pdfIn PDF document text
  • https://nabijdefossa.nl/upload/files/42236643054.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608173001a7f1---13443833857.pdfIn PDF document text
  • http://skiflogistics.ru/userfiles/file/21160559185.pdfIn PDF document text
  • https://daxitrip.com/basefile/daxitripcom/files/52910923083.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1ab326adb---movajelumufijevu.pdfIn PDF document text
  • http://voxel-avocats.fr/uploads/file/47281069277.pdfIn PDF document text
  • http://s292376414.onlinehome.fr/datas/imgmail/file/83926415598.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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