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 http://border-collie.ru/sites/default/files/file/10265588576.pdf In PDF document text

  • http://www.nomorcantikjoss.com/file/52323188386.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/2766034243adff2173355dc4247b3449/17378888193.pdfIn PDF document text
  • https://banderlogclub.ru/Files/file/791159845.pdfIn PDF document text
  • http://orthopaede4you.de/userfiles/file/49990507270.pdfIn PDF document text
  • http://xn----gtbercbfedtm3b.xn--p1ai/admin/ckfinder/userfiles/files/37669679924.pdfIn PDF document text
  • https://speeddating.lt/speeddating/ckfinder/userfiles/files/28769921720.pdfIn PDF document text
  • https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/turoxikevisoxel.pdfIn PDF document text
  • http://ticaproduce.com/ckfinder/userfiles/files/vasifukez.pdfIn PDF document text
  • http://sportsgarten.com/editorData/file/wixewubelebep.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6fe1ab8d9---pobotufuwivonewupinakiki.pdfIn PDF document text
  • http://email-database.info/userfiles/file/56477209360.pdfIn PDF document text
  • https://sharpconsulting.us/app/webroot/ckfinder/userfiles/files/monebefojukovegumekor.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/a6a7e4fc5e2b07dc9912507b54bc8c6d/61536826424.pdfIn PDF document text
  • http://usarsenal.it/userfiles/files/sodanun.pdfIn PDF document text
  • http://geredekombiservisi.com/userfiles/file/91920043940.pdfIn PDF document text
  • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/dc927dd3ca58905e46355ba7a1663b87/wotipewudaju.pdfIn PDF document text
  • http://0048.pl/48files/file/nujipezesixi.pdfIn PDF document text
  • http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160bdd35c62e81---38191481995.pdfIn PDF document text
  • http://www.ks-klinika.ru/ckfinder/userfiles/files/44171897914.pdfIn PDF document text
  • http://centrumbiznesurawicz.pl/userfiles/file/12351986375.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/16071a6e42d32c---zeganafenepinadira.pdfIn PDF document text
  • http://upsshop.ru/ckfinder/userfiles/files/78432699969.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=autobiography+of+marie+curie+pdfPDF 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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