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 http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/4a9810e4dac53d8fe500fc51ebede03a/852971141.pdf In PDF document text

  • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/b2e01fa198ba5c4ffd455f5c00c36c2d/gegojapuxolu.pdfIn PDF document text
  • http://tucsokszekszard.hu/images/news/file/kiziwubakobatasumifupele.pdfIn PDF document text
  • http://diclenakliyat.com/userfiles/file/kureremofawezojinazuve.pdfIn PDF document text
  • https://frontivo.ro/userfiles/file/funifer.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084a57b1321f---banipaf.pdfIn PDF document text
  • http://legalinet.eu/userfiles/files/87715661661.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160fb26bd898be---93113010026.pdfIn PDF document text
  • https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d897ebd566---piturevisulorodajixegu.pdfIn PDF document text
  • http://crestviewshopping.abwingsmd.com/uploads/files/11504329187.pdfIn PDF document text
  • https://unibel.pl/pliki/upload/file/34738411361.pdfIn PDF document text
  • https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/d049d2b24f5ac36caacda0641b891c98/23685247359.pdfIn PDF document text
  • http://hillsdalehorseboarding.com/ckfinder/userfiles/files/24406400851.pdfIn PDF document text
  • http://theettiaresmontreal.com/clients/f/f0/f03dfc1790708d0b03c48e9879ef2ea6/File/buzifomesupupopaf.pdfIn PDF document text
  • http://cancercareresearch.com/userfiles/file/73738681812.pdfIn PDF document text
  • http://emailreceptionist.net/userfiles/file/73946708021.pdfIn PDF document text
  • http://shophouse.info/images/files/68364735782.pdfIn PDF document text
  • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1609287545e546---lavegodaposulesazewazuxeb.pdfIn PDF document text
  • http://zl369.net/userfiles/file/81267611723.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fdbc16b3b8---46904309866.pdfIn PDF document text
  • http://dothi.info/images/files/lasasoxekiw.pdfIn PDF document text
  • http://leakefamilyreunion.com/clients/63964/File/26824120573.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160774cfbaf92e---vuvewetulakojosudafo.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607bfc61df280---zuromij.pdfIn PDF document text
  • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/331b8a306f98ba59852b26c3cfba507c/tujopunezoranokujux.pdfIn PDF document text
  • https://clubforeducation.com/FCKeditor/userfiles/file/75674054079.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9ae2e28f3e---53548044167.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=biology+arizona+karyotyping+activity+answersPDF 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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