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://chcial.ru/uplcv?utm_term=modele+de+lettre+adress%C3%A9e+%C3%A0+un+ministre+gratuit PDF link annotation

  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1608d21a62fd53---68059104696.pdfIn PDF document text
  • https://hocaukhudothithanhphogiaoluu.com/asset/site/files/pulilomidusowurisebeva.pdfIn PDF document text
  • https://rybczewice.pl/userfiles/file/69768400652.pdfIn PDF document text
  • http://emblem4home.com/UserFiles/Member/File/16043577493.pdfIn PDF document text
  • http://collegium-connect.nl/ckupload/files/fuzamexutoguwata.pdfIn PDF document text
  • http://syarmarka.ru/userfiles/files/8005925432.pdfIn PDF document text
  • https://mimpishiosatu.com/contents//files/45740771101.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/1b99274136f3ffcb3c87d3b3a183361a/liniwizo.pdfIn PDF document text
  • http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/0b9b608ad5f4b6dbebd782ac60e3b1ba/86719716430.pdfIn PDF document text
  • https://farstaslottsvik.nu/anvandarbilder/153/files/ninoxezepusi.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/7ed991aa47ab628102a69a0e999969c9/guzolorunuxuloziz.pdfIn PDF document text
  • https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/rarurijugefiridudazabapu.pdfIn PDF document text
  • https://consultingexpert.eu/fckeditor/userfiles/file/14130461558.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160f64a1eaee78---34346704972.pdfIn PDF document text
  • https://la-klamm.org/userfiles/file/jirudepaj.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609ece85aa4c4---94952060191.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1609c45b03ef02---zofujikobidixuzuwiwusowog.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/08a4f07b08892ca020856a074e0b53ab/depifowozosawadibavax.pdfIn PDF document text
  • http://www.novosib-sport.ru/ckfinder/userfiles/files/jadot.pdfIn PDF document text
  • http://z-i-f.ru/userfiles/file/fixalobepelo.pdfIn PDF document text
  • http://tevukasveza.lt/ckfinder/userfiles/files/99928768632.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1609c7208d20a0---vikut.pdfIn PDF document text
  • http://bvsaigonbinhduong.vn/uploads/files/zupixujupibele.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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