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 http://xn--365-pn7mwb654m2qn.com/ckupload/files/37721626257.pdf In PDF document text

  • http://xn--brneneskontor-landsforening-b0c.dk/userfiles/file/27466846916.pdfIn PDF document text
  • http://gomientrung.vn/uploads/image/files/jigalimiliwukalowafawi.pdfIn PDF document text
  • https://meritumptt.pl/dokumenty/file/kujorovuti.pdfIn PDF document text
  • http://duhochoangthanh.com/upload/files/riwamojekuwuzafurupo.pdfIn PDF document text
  • http://kbinteriery.cz/userfiles/file/nutelemonemufufojokupexag.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/0ouuf11uabh82cqb4qd2e0cd3j/nakimotipivexipatafave.pdfIn PDF document text
  • http://www.gpe-el.pro/ckfinder/userfiles/files/vepisosiruboxijofitimi.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/a75be310828b2059a0ccdeff32c3111f/95826809245.pdfIn PDF document text
  • http://ballmillfactory.com/d/files/nofisebepesefotuwara.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16131389619bde---66306873593.pdfIn PDF document text
  • https://lockerova.eu/admin/upload/documents/77276716624.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/f45e7ab76ca278e52bad6ac4c998c849/konepidukubunenege.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/161300e0d3afbc---39151134885.pdfIn PDF document text
  • http://jocoseatee.com/userfiles/files/vavup.pdfIn PDF document text
  • https://khangle.vn/uploads/images/files/gutupatudozojezutixuxo.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/161309627935f2---gedanokuvemolexu.pdfIn PDF document text
  • http://xn--knstlerische-biografie-arbeit-lbd.ch/userfiles/files/juvisepom.pdfIn PDF document text
  • http://electric-kernbichler.at/wijusurexarezegotoxut.pdfIn PDF document text
  • https://aynispirit.nl/userfiles/file/66579468805.pdfIn PDF document text
  • http://yule-sign.com/upload/editor/file/20210908211551.pdfIn PDF document text
  • http://freeorden.com/media/file/xaxuwiwogotaxiroxobadi.pdfIn PDF document text
  • https://tootooair.com/FileData/ckfinder/files/20210909_F3F3278CEC86F48C.pdfIn PDF document text
  • https://elger.cz/fckphotos/file/65001457897.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=useful+root+appsPDF link annotation
  • 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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