Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://irlanc.ru/uplcv?utm_term=verb+phrase+worksheets+3rd+grade PDF link annotation

  • http://m-styleauto.com/js/upload/files/89194495562.pdfIn PDF document text
  • http://eschool365.in/js/admin/uploadfiles/file/20655280723.pdfIn PDF document text
  • http://www.facyt.com.ar/ckfinder/userfiles/files/98334838233.pdfIn PDF document text
  • https://traffictkt.com/viking1/uploads/files/44563061341.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/161356b849a59a---21867431890.pdfIn PDF document text
  • https://bilalyapidekorasyon.com/userfiles/file/28789084157.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/e466fb624eaf673713d51c0b73fc415a/rotaduvunojibojibitezo.pdfIn PDF document text
  • http://bularz-auto.pl/images/userfiles/file/muwokadifu.pdfIn PDF document text
  • https://ilexgold.com/app/webroot/files/userfiles/files/85652402866.pdfIn PDF document text
  • https://eitmedu.in/ckfinder/userfiles/files/15486449484.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/47bf69efdb784f7e9b06fcbd1e7428af/26969899835.pdfIn PDF document text
  • https://ovalpolycoats.com/media/kilasixi.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160723238d090f---52086966982.pdfIn PDF document text
  • http://slesnick.net/userfiles/files/65375730357.pdfIn PDF document text
  • http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/959ac253280ac6cd74aeb527bafd5c83/jenoz.pdfIn PDF document text
  • http://findmecakes.com/userfiles/files/90582900258.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/smofe1qhf4sov52dvil9fuds9f/zowurezofubumi.pdfIn PDF document text
  • http://conflictfreeelectronics.com/ourprojects/chowki/UserFiles/renuka/file/62560646181.pdfIn PDF document text
  • http://iccarrentals.com/files/file/37615327713.pdfIn PDF document text
  • https://condominiovillage.com/userfiles/file/saxuwedetesover.pdfIn PDF document text
  • https://kildevangen.dk/files/ratifolevupasofanumi.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608e8a4864abb---79509953605.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/qg0iflbh848tqas4foahtlmcq6/nutifokolafoletububuzojeg.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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