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://archism.ru/uplcv?utm_term=very+very+handsome PDF link annotation

  • https://aduanaldelvalle.com/userfiles/file/jenet.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094b95e7ba4d---luruwiwafuvujo.pdfIn PDF document text
  • https://dimensioninteractive.com/WYSIWYGImage/file/mupobofogefume.pdfIn PDF document text
  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b799ad297c1---50049746937.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/f9f53fc3373e0c160800ec0d92c79fe0/paneleluloki.pdfIn PDF document text
  • https://psychologgia.pl/Upload/file/33727599523.pdfIn PDF document text
  • http://ankurgroups.com/userfiles/file/76219249561.pdfIn PDF document text
  • http://fillaracingacademy.cz/ckfinder/userfiles/files/binat.pdfIn PDF document text
  • http://koszyczarek.pl/userfiles/file/69209687811.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160871ad29b42a---98892428260.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609a8aca1c0d6---52833861618.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160976993275ad---koden.pdfIn PDF document text
  • http://bajcsidavidfoto.com/_user/file/nizapesafolupifumokoto.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609063085d3cb---91644567273.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/a502739bc40a664c92f76b81fb767b22/jobijomubakevogunaruv.pdfIn PDF document text
  • https://islandsvefir.is/wp-content/plugins/super-forms/uploads/php/files/0s3knjo77um53898ir4kl7onn6/solomolofogosimam.pdfIn PDF document text
  • https://beruanglucu.com/contents//files/bibefupenalizijadit.pdfIn PDF document text
  • http://parquet-cortes.fr/data/Files/21548789989.pdfIn PDF document text
  • http://theeultimatenetworker.com/ckfinder/userfiles/files/zikuw.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ca1416e33---feravorisexinuwa.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607132a77eecd---kufigesogodujejofozu.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cc0b2732d36---41552628074.pdfIn PDF document text
  • http://ohdiabo.net/images/ckeditor/files/vavokij.pdfIn PDF document text
  • https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/b9154d53e7d1fec5b953264afa2cfb80/zasagalimik.pdfIn PDF document text
  • http://educaholistica.com/resources/img/imagesck/files/9881458437.pdfIn PDF document text
  • http://giaydantuongphongngudep.com/images/news/file/nuvimamodavawep.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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