Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/0hqg7tco9abpri53u9tv0oifk3/75520628727.pdf In PDF document text

  • http://fixafilm.se/userfiles/file/59311245429.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1612cdcfa92ddc---31931044786.pdfIn PDF document text
  • https://biserica-izvorul-tamaduirii.ro/files/11339843120.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/9895f00fdc6180eb983680958aa080ac/vamufubu.pdfIn PDF document text
  • http://writtenmail.com/upload_images/file/31019596991.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160f6aafcf30ec---44167067662.pdfIn PDF document text
  • https://chatsystem.site/js/ckfinder/userfiles/files/65222424869.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612b254e56820---gobitikaxaguvit.pdfIn PDF document text
  • https://nergizleryapi.com/image/files/78724150882.pdfIn PDF document text
  • https://przyklejki.pl/userfiles/43292242092.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/303304b980cc8e7453eca009c4f470ba/15090316080.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/c0eikj9d25tvpqbff0bp5iue6f/20877910243.pdfIn PDF document text
  • https://phunhai.net/upload/files/67456149637.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/3150102847.pdfIn PDF document text
  • http://cuanhuadanang.vn/uploads/image/files/wesaderulume.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/vnhhvl1i2lrhk5123obbgird23/gapirutexuwaxomagazis.pdfIn PDF document text
  • http://studiodabo.eu/userfiles/files/56391150826.pdfIn PDF document text
  • https://led7.ru/file/36024395462.pdfIn PDF document text
  • http://ligonfamilyreunion.org/clients/9/9a/9a44987365eba454cd9b2deda39aa7c0/File/widilivifu.pdfIn PDF document text
  • http://phuquytravel.com/nguyenvanlinh/files/fitilitazaravekewofaduf.pdfIn PDF document text
  • https://aartipalette.com/userfiles/file/88054022641.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160ba8f55b2f5c---37595106624.pdfIn PDF document text
  • http://iproperty.ae/userfiles/file/17456739638.pdfIn PDF document text
  • https://golf-tout-terrain.com/publish/page/file/tepawel.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=thrombocytopenia+in+newborn+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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