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://too.kg/wp-content/plugins/super-forms/uploads/php/files/5c37e997365459ea1de45fc71e5c9f8f/3803835724.pdf In PDF document text

  • https://abicecream.ru/ckfinder/userfiles/files/tubimusavodopobuze.pdfIn PDF document text
  • http://phdpecs.hu/userfiles/files/33572278819.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/g0me0uehlch05r3pla2u9jlj7p/88404335195.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612fabf1bb2a5---98875487242.pdfIn PDF document text
  • http://poorclarescork.ie/images/rawubawumugomozagubuzago.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/bn28sukhslkivalmu02qgrode4/34720129842.pdfIn PDF document text
  • http://www.peritaonline.es/ckfinder/userfiles/files/88615440935.pdfIn PDF document text
  • https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613111b5c7b6c---70597573745.pdfIn PDF document text
  • http://vietsinphar.com/uploads/files/13028790809.pdfIn PDF document text
  • http://mebelhotel.ru/userfiles/files/garipibabaxi.pdfIn PDF document text
  • http://galenbio.com/images/upload/file/fepakivuwirodojegabati.pdfIn PDF document text
  • http://kraski-chernila.ru/resources/file/bubapafo.pdfIn PDF document text
  • http://tuzoltosagmihald.hu/userfiles/file/nogisemugixakugerope.pdfIn PDF document text
  • https://unicorn.mn/js/ckfinder/userfiles/files/kewetugepabuvalijikole.pdfIn PDF document text
  • http://autoservizimensi.it/images/fck/file/18328600987.pdfIn PDF document text
  • http://opuspointpartner.com/ckfinder/userfiles/files/jizumapawinopoteradurig.pdfIn PDF document text
  • https://umutfm.com/resimler/files/pomabezisibidijoku.pdfIn PDF document text
  • http://instit.ac/ckfinder/userfiles/files/roxizezemubudune.pdfIn PDF document text
  • http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/44633206458.pdfIn PDF document text
  • https://hargagila.com/uploads/image/files/94692474152.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/nu983qallfqsn07c7rmann56ro/kukudafe.pdfIn PDF document text
  • http://elitakhealing.com/ckfinder/userfiles/files/42497947523.pdfIn PDF document text
  • http://exima.kr/userData/board/file/35212108216.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=app+apk+iphonePDF link annotation
  • 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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