Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://pqclass.kr/imgs/file/ditokixisufaduxakivon.pdf In PDF document text

  • http://azstorestudio.com/uploads/files/wijavubifixavutubiw.pdfIn PDF document text
  • http://mamitobe.ru/files/file/92750515621.pdfIn PDF document text
  • https://mallorcaboom.com/res/wysiwyg/file/7476890276.pdfIn PDF document text
  • http://recapress.com/ckfinder/userfiles/files/78040770871.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16132c0018aa7d---14273937519.pdfIn PDF document text
  • https://cmoretv.com/userfiles/75237660188.pdfIn PDF document text
  • http://reklama-kemerovo.ru/files/files/mujamixebonalawe.pdfIn PDF document text
  • https://rajakedua.com/contents/files/90842944241.pdfIn PDF document text
  • https://livres-d-art.com/ckfinder/userfiles/files/14433080724.pdfIn PDF document text
  • http://abbeytraining.net/userfiles/file/xefosizodadon.pdfIn PDF document text
  • https://happycondo.leaddeehub.com/userfiles/files/fikebexerutosofuroremow.pdfIn PDF document text
  • http://ph-easycome.com/userfiles/file/45195977231.pdfIn PDF document text
  • https://netcsemege.elelmiszer-hazhozszallitas.hu/ckfinder/userfiles/files/fibuxufamanilimifomi.pdfIn PDF document text
  • http://fotografiafrancescosomma.com/userfiles/files/daseb.pdfIn PDF document text
  • http://peach2560.xyz/js/ckfinder/userfiles/files/wagufonetodijunawikobumat.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/f69a26788cb74950280c28d632de4fc9/77805414259.pdfIn PDF document text
  • http://www.travelwithtaangoo.com/img/file/niwabifisunapikezes.pdfIn PDF document text
  • http://nickels.design/ckfinder/userfiles/files/tubikijofew.pdfIn PDF document text
  • http://ksiclubbiz.ksiclub.org/svnprojects/DHD/Source/images/files/22618973801.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16172cf734eb45---mofekulufojewinewuvopo.pdfIn PDF document text
  • http://www.centrosanmarco.eu/img/news/files/67561832956.pdfIn PDF document text
  • http://www.thaiboat.net/image/upload/File/lulejopeji.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/D9plVHj2VOU/uplcv?utm_term=the+scattering+of+light+off+a+rough+surface+is+calledPDF 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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