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://cructi.ru/uplcv?utm_term=why+use+independent+measures+design PDF link annotation

  • http://peter-scherer.de/userfiles/file/21163718434.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091cbfd1cdf8---soxipegaraganizo.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/2189494379.pdfIn PDF document text
  • https://optimuselearningschool.com/learning/site/images/uploadfiles/fememidu.pdfIn PDF document text
  • http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e183bb50d4---67024669301.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/18312d7470dad9c937ffa01a7a3e01a3/9679387623.pdfIn PDF document text
  • https://maximatrimony.com/ckfinder/userfiles/files/62046120824.pdfIn PDF document text
  • http://slovbau.sk/test/userfiles/file/wixas.pdfIn PDF document text
  • http://dd-eng.com/files/files/35587332236.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd5e4d85a8c---31108659727.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/cu7g39002a3q3u65ieu2b7pq77/58041707549.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b68fdea6bf---79956712349.pdfIn PDF document text
  • http://mudrkanuch.sk/editor_uploads/system/files/53045187934.pdfIn PDF document text
  • http://lagunaapartman.hu/images/user/file/xexitu.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/6d9bec98ef279e55235c117ae9be6ba8/likilasope.pdfIn PDF document text
  • http://www.ville-dammarie.com/ckfinder/userfiles/files/46074510449.pdfIn PDF document text
  • https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609765d8c3d3d---17122154544.pdfIn PDF document text
  • https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/c9adb32de46219471a14d8dd3dc010bc/47018496212.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/dvnm4chj6lj1e7pffvtqdjc64v/galepugetojela.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607289a87e008---65605987871.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/os917hn4m8oar5suuot5augegk/xurer.pdfIn PDF document text
  • https://agencement-menuiserie-var.fr/stockages/files/33894412917.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f2ef0ad85eb---mezaxij.pdfIn PDF document text
  • https://imagebuzz.net/ckfinder/userfiles/files/luvegeziteziw.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/5d5147063b7d7212998c0c7528ec8a8c/xaniwafej.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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