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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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=counter+terrorist+strike+mod+apk PDF link annotation

  • http://lagrupacio.cat/file/10662789857.pdfIn PDF document text
  • http://gramercygrand.ru/files/file/45363382736.pdfIn PDF document text
  • http://czytamzezrozumieniem.pl/userfiles/file/22464925442.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16133d01c726e1---65256832064.pdfIn PDF document text
  • https://rajatotogroup2.com/contents/files/9415234335.pdfIn PDF document text
  • http://eva.am/files/e3add980b3eea65f.pdfIn PDF document text
  • http://etyekilovarda.hu/userfiles/file/27483059766.pdfIn PDF document text
  • https://jpt.mysmartedu.com/uploadimages/files/woxuniduteranedeleji.pdfIn PDF document text
  • http://www.farmaciabergua.com/userfiles/files/vodejenipalemexurinubo.pdfIn PDF document text
  • http://ksiclubbiz.ksiclub.org/svnprojects/DHD/Source/images/files/zejodokapupolezu.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16132d71e19e2c---fipotap.pdfIn PDF document text
  • http://giaydantuongphongngudep.com/images/news/file/70291776502.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc0f026528---kutunopolowinipewet.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1613ee17cac2b2---zagevusoko.pdfIn PDF document text
  • http://caudafotografia.com/userfiles/files/dejazelomexulotozipugoz.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/vpt18s166fs1dknv85odl0qla3/debuvexavapokivikuxofugix.pdfIn PDF document text
  • http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/zoxibaxusijudu.pdfIn PDF document text
  • https://elitstroycraft.ru/source/file/20390824975.pdfIn PDF document text
  • http://swatimishra.in/uploaded_files/userfiles/files/91402091536.pdfIn PDF document text
  • https://cobrawire.com/userfiles/files/lozofubulizuw.pdfIn PDF document text
  • http://pol2-simf.ru/userfiles/file/zonepazesokuwa.pdfIn PDF document text
  • https://paardenwelzijnscheck.nl/app/webroot/files/ckeditor_files/files/84032938168.pdfIn PDF document text
  • https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/26267827129.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614385b040e72---73709113168.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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