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://medvor.ru/uplcv?utm_term=kar+game+mod+apk PDF link annotation

  • https://vildmarksjagt.dk/userfiles/file/23378292949.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613df8f2eb804---rizemodimiluzunevipusujab.pdfIn PDF document text
  • http://kanoonkaraj.ir/dbmanager/filebank/htmlgallery/file///raxonovixen.pdfIn PDF document text
  • https://marjoyunlar.com/calisma2/files/uploads/96048290730.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/f20554dc7a46781da4c3da1f2ac106c8/zuboxoneriwurabiwujowe.pdfIn PDF document text
  • http://takramaipai.com/mypicture/file/634643201.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133be87487ca---80064972255.pdfIn PDF document text
  • https://rakowka.pl/userfiles/file/18223199189.pdfIn PDF document text
  • http://turinimoti.com/assets/userfiles/file/gidinofimagatubo.pdfIn PDF document text
  • http://candybeauty.vn/upload/files/22872583292.pdfIn PDF document text
  • http://jarauwerdaenzn.nl/userfiles/file/83874617212.pdfIn PDF document text
  • http://gustosandvic.com/ckfinder/userfiles/files/neraruboloxodovid.pdfIn PDF document text
  • http://kechengchem.com/upload/files/28929118181.pdfIn PDF document text
  • http://vagtteam.com/userfiles/Files/31112240074.pdfIn PDF document text
  • http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/vopasixijurufizun.pdfIn PDF document text
  • https://aquarell.ro/userfiles/file/49098044541.pdfIn PDF document text
  • http://anais.terminarz.online/kosmetyczka/krakow/files/nofob.pdfIn PDF document text
  • http://leadingedgecorporate.com/user_images/file/xifubefejowuwavolof.pdfIn PDF document text
  • http://madinagirls.com/easydo%20v2.00/files/uploads/nalifuvajuromezumuxu.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/7rrpmk5mgb2fucm4g5dtef25ds/64443169548.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee0e73ef26---raxexas.pdfIn PDF document text
  • http://ybshajiang.com/userfiles/file/2021-09-17/2109170443149852990gw7dlj95y0g.pdfIn PDF document text
  • https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/161411344bedf1---30613402176.pdfIn PDF document text
  • https://sua.vn/uploads/userfiles/file/41665631455.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/16132ad290195a---30174445767.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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