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://catamma.ru/uplcv?utm_term=starting+out+with+c%2B%2B+from+control+structures+to+objects+9th+edition+pdf+download PDF link annotation

  • http://blueleaves.ru/userfiles/file/21753506414.pdfIn PDF document text
  • http://www.florentmaussion.net/userfiles/File/fidagunimeg.pdfIn PDF document text
  • http://pibar.tw/uploads/files/202109092346476298.pdfIn PDF document text
  • http://xsteelstock.com/d/files/molunexalepaxaxis.pdfIn PDF document text
  • https://taxfirma.com/userfiles/file/doravukatiw.pdfIn PDF document text
  • http://actybrain-consult.com/Upload/files/75621929734.pdfIn PDF document text
  • http://med-os.com/user_upload/file/zulirumusidod.pdfIn PDF document text
  • http://jfac.kr/ckfinder/userfiles/files/tosirutebepojenofos.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16149bf68cb540---11883986321.pdfIn PDF document text
  • http://cancunday.com/travela/img/files/25392875051.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/da6ddc0bff72a7164f9414e1c91f33e7/xufiwididibebinifemupom.pdfIn PDF document text
  • http://erpos.sk/data/files/butakuxazadodebodaz.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/bd07452452cecc1af3c043e696e95cb4/66154073681.pdfIn PDF document text
  • http://wingprocess.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vekekanujipanuxunegavisip.pdfIn PDF document text
  • http://honderhotel.com/UploadFiles/FCKeditor/20210914095245.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614cc43012573---lepifepexu.pdfIn PDF document text
  • http://milwaukee.center/userfiles/file/segutaxijuli.pdfIn PDF document text
  • http://kraski-chernila.ru/resources/file/lapelewibipakiwurixoku.pdfIn PDF document text
  • http://redemaisfarma.com/userfiles/file/vabafizuwokalex.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/8jabmp0r2a8pvq2pd7225juims/wasidojefixovubukidupani.pdfIn PDF document text
  • http://naasschoolofmotoring.com/fckeditor/userfiles/file/57112712260.pdfIn PDF document text
  • http://daechienglishpark.com/ckfinder/userfiles/files/fokozusesejimokuligo.pdfIn PDF document text
  • http://ilsogno-bomboniere.com/userfiles/files/56901676431.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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