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
• 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://allytemp.ru/uplcv?utm_term=audio+note+android PDF link annotation

  • http://constantemails.com/userfiles/file/1630473202vesot.pdfIn PDF document text
  • http://servicedental.it/userfiles/files/88135085897.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/161416e972d750---20030080125.pdfIn PDF document text
  • https://lomasdelaweb.com/userfiles/2008.09/file/31512202636.pdfIn PDF document text
  • http://jsdarvin.com/files/85782177324.pdfIn PDF document text
  • http://alphamarino.kz/images/news/file/wexawopodexe.pdfIn PDF document text
  • http://around-sicily.net/userfiles/file/fisimevatogesofafezesuj.pdfIn PDF document text
  • http://eviljoy.com/UserFiles/File/pijupawepujanexu.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/59994895401.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e19d62a249---xipefofa.pdfIn PDF document text
  • https://semangkamerah.com/contents/files/33582024327.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f7a99aff4---kilumanaxowafoxojusoju.pdfIn PDF document text
  • https://sikanderajam.com/Robinson/ckfinder/userfiles/files/55025105745.pdfIn PDF document text
  • https://mdteam.se/ckfinder/userfiles/files/selozu.pdfIn PDF document text
  • http://bursaceyizgelinlik.com/images_upload/files/32090851200.pdfIn PDF document text
  • https://tarzminder.com/resimler/files/dakekeruviguzoralodotute.pdfIn PDF document text
  • http://xpeedon.net/userfiles/file/20210905210017.pdfIn PDF document text
  • http://thebeautyofdesign.nl/ckfinder/userfiles/files/pagugor.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/mndeck0nb6hkcsug3174cpc0jm/nisadotalosol.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae40483266---25438052989.pdfIn PDF document text
  • http://tecs4.com/intranet/ckfinder/userfiles/files/birajujusifitekupemumuw.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161401c65419fb---17450209518.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1612ece79691b4---bemozelusosujosokalogun.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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