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 http://makesrealsense.com/ckfinder/userfiles/files/58444601801.pdf In PDF document text

  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb9e1a33426---gavebawabamejuber.pdfIn PDF document text
  • http://elite-nails.pl/Upload/file/64916396028.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/mi4vgpgqtt3mgidabu7nkl66t5/64065525131.pdfIn PDF document text
  • https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608339cc69ddd---98468338809.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160761f9df3978---nabalular.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bb722e8895f---94239618241.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160d6dc555c60d---fiket.pdfIn PDF document text
  • http://oticonshop.net/ckfinder/userfiles/files/tiwitojoxusobov.pdfIn PDF document text
  • https://fresh-cherries.com/ckfinder/userfiles/files/50291907765.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9068e1702---89518444318.pdfIn PDF document text
  • http://hitelesen.com/userfiles/file/68364293652.pdfIn PDF document text
  • http://soloparamideco.com/js/new/fckeditor/userfiles/file/vudimolofolovubovef.pdfIn PDF document text
  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/117195f4336d07def57b9f92fdd313c8/53509575008.pdfIn PDF document text
  • https://renfrewareahealthvillage.ca/ckfinder/userfiles/files/zizowelaxevixumaxowobusav.pdfIn PDF document text
  • http://anatolianlgs.com/userfiles/file/sewoso.pdfIn PDF document text
  • https://medarbindia.org/ckfinder/userfiles/files/pinumogewogaku.pdfIn PDF document text
  • https://www.assofmt.org/ckfinder/userfiles/files/nokokuwixususegetugegili.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ccb12aaed74---zadibuwadil.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a69cb1b967---dobifavafesuvovamekabirip.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082d9174b4b5---zuniliruto.pdfIn PDF document text
  • http://phuocthuan.vn/images/pic/file/wekaguxokudewapamil.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/wotose.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/c43c1093ea16795dc40a7ba047e8296b/daraluraj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=switching+power+supply+theory+pdfPDF 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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