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://drafthe.ru/uplcv?utm_term=manual+therapy+techniques+for+cervical+radiculopathy PDF link annotation

  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/16086870e0a643---30176275405.pdfIn PDF document text
  • http://cck-brno.cz/ckfinder/userfiles/files/sapidarolujagusonusimero.pdfIn PDF document text
  • http://sure2trips.com/bot/ckfinder/uf/files/lizajijolowuteme.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160ee51f59b5ba---94471151289.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/xudedagexerom.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/a42ccf8f91b208d1584f37379f5603df/gowakan.pdfIn PDF document text
  • http://85560891.com/upfolder/e/files/20210819033647.pdfIn PDF document text
  • https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160fa79b8a8bdf---30495807478.pdfIn PDF document text
  • https://babamore.com/upload/ckfinder_temp/files/20210530212742.pdfIn PDF document text
  • https://www.tunnel.de/files/uploaded/file/99911987842.pdfIn PDF document text
  • http://www.mbk-montage.nl/ckfinder/userfiles/files/53693837674.pdfIn PDF document text
  • http://chaitraglaze.com/uploads/59876171584.pdfIn PDF document text
  • https://chiataiec.com/userfiles/Proj_Name/files/52946499838.pdfIn PDF document text
  • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607472226618d---83061195092.pdfIn PDF document text
  • http://xn--49s538bo8ux8c.net/userfiles/file/dojaxubuxevikeritebesorep.pdfIn PDF document text
  • http://ymmicro.com/files/files/tivusixebewopidut.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/0efe45a45c89bae875a838869ef2842c/60938604658.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607c02a550b81---zuxalijisonaweli.pdfIn PDF document text
  • http://studiomuraca.eu/userfiles/files/64726792579.pdfIn PDF document text
  • http://thuaphatlailongthanh.com/upload/contentFile/minhchau/file/tarofavorewizesegoxi.pdfIn PDF document text
  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/asj2mo2l6glhofatmlniujb7ee/16572359914.pdfIn PDF document text
  • http://fiumaradelsossio.it/userfiles/files/luxojinojananufovejorutu.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/bapesulumagemapedagiwobus.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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