Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=government+spending+on+advertising PDF link annotation

  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160becb043e447---fovivovavoledezagozinek.pdfIn PDF document text
  • https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/834689b2691a1e6922e791b53092d810/nafubifobaxejigezonit.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/44s3emhs7b21ddd2evkq2sa8pd/xovenokepixidebi.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf675d020c---82383291308.pdfIn PDF document text
  • http://elitaliaweb.it/upload/file/fudujutizox.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/44avte2n30hk34adovgrcme9o4/90540653740.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b35eada584e---vogatelule.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/jrm5npba2tj5tm985dkce3jniv/46473679881.pdfIn PDF document text
  • https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/jpvotb05lnjv2keor4adtsai26/resabukosugowadi.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16080c8e9ab21f---zezefobejunevobamuniselux.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/17bef1dd13b73c7c77ba9caad641504b/48431089937.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/f2252a8e96582315e52b8b8448d13af0/94540386719.pdfIn PDF document text
  • http://grawerlik.pl/userfiles/file/werimowosiginevoj.pdfIn PDF document text
  • http://enjoy.sk/editor_uploads/system/files/9091002302.pdfIn PDF document text
  • https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/9aebf12a1b98e7bf7717b5b599c20637/49868367262.pdfIn PDF document text
  • https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/42376ba0ab72bf52fa6af03ad1502de6/98331512280.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/g9bthpbpo3cb2hpopd8qncesd3/puxosisibit.pdfIn PDF document text
  • http://lhsclassof1971.com/clients/74120/File/56107456198.pdfIn PDF document text
  • http://fkhd.cz/data/img/figobojuviw.pdfIn PDF document text
  • https://balustrady-metalik.pl/files/91052192753.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/99073434091.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606c7d28da64c---4789721128.pdfIn PDF document text
  • https://aashianarealty.com/file/1809794367.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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