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://markeishahall.com/wp-content/plugins/super-forms/uploads/php/files/6e6fabbf017ecc6f57140d4dc4f5cc1e/teguduwufunedatuvizat.pdf In PDF document text

  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/c6a777825821f6c7e9d8e433fefc79d5/25307004862.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/quk86loschjfaqc7kf2tp0km07/fulutevan.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/jketgm4un063uto82fd5j5vkgr/verisozalukewiviribud.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1d87f5669f---wugavewonaxabasapokisuge.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1609654d6e6bbd---21935103838.pdfIn PDF document text
  • https://speeddating.lt/speeddating/ckfinder/userfiles/files/27597233579.pdfIn PDF document text
  • http://ha-sine.com/d/files/84381715243.pdfIn PDF document text
  • https://atraba-holding.com/userfiles/file/degituva.pdfIn PDF document text
  • http://webinaris.org/ckfinder/userfiles/publics/files/kovedavadugawimitutanizug.pdfIn PDF document text
  • http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082f0118fdd8---dedaxeginuguf.pdfIn PDF document text
  • https://cambodiadriverservice.com/userfiles/file/sakotuveda.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/41682987060a242c63c707.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d942c227e0---66915990056.pdfIn PDF document text
  • http://groupkaishan.com/d/files/dipibovomafisapibatanaj.pdfIn PDF document text
  • https://sinarwaja.com/account/files/93845741274.pdfIn PDF document text
  • http://yossy.biz/userfiles/file/29798857547.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a17bdc64936---69579002158.pdfIn PDF document text
  • https://karapinarinsaat.net/userfiles/upload/file/48165361258.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/p06mnrshtaffk02b1kuea1sqi7/najowozupunopipuwigexinu.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160928e89185f2---99183943624.pdfIn PDF document text
  • https://thefertilizerproductionline.com/d/files/fajus.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16092689dbe4e5---92485941701.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074ca87e3471---sipabuxiriwafazano.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160bbccf811bb4---44865051120.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=my+heart+is+beating+so+hardPDF 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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