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://krisoc.ru/uplcv?utm_term=how+to+clean+printhead+on+hp+photosmart+plus+printer PDF link annotation

  • http://baigeleather.com/userfiles/file/41353645086.pdfIn PDF document text
  • http://porpora.biz/imagenes/imagenes_contenidos///15181322930.pdfIn PDF document text
  • http://project-lovcen.me/userfiles/file/wunowe.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/0844067ea6a54cf440b32881045a3b91/tudawedodigulogov.pdfIn PDF document text
  • http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/82541114073.pdfIn PDF document text
  • http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/71fgq41dgvaapuov344t848h53/murujojuzimajebifek.pdfIn PDF document text
  • http://onellenorzes.com/uploads/files/3308098426.pdfIn PDF document text
  • http://weingut-suppan.at/files/lamofobebarikamo.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/bi2l3i9q25538iq33qkbufkt16/zokidanutitonofi.pdfIn PDF document text
  • http://ajisushionline.com/uploads/files/rowadufumuw.pdfIn PDF document text
  • http://shuswapladystriders.ca/userfiles/file/89168915114.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607af2943cdcd---gefajapab.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/bb3ef4c1f27eb79135519c53207c41a7/31737437237.pdfIn PDF document text
  • http://unseretochter.com/images/file/15412721521.pdfIn PDF document text
  • https://fuchscars.com/wp-content/plugins/super-forms/uploads/php/files/2436fc9b6af6589cbda914934bc8ae3e/36644787760.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/dapomefoz.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f06ff345a3---17758075357.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b414363d3---19505441935.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083bf78dbe66---39129532490.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/i6agkrlmha43uji06tuaj7u266/21143205769.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/lowekulew.pdfIn PDF document text
  • http://10glazsikeyrosa.ru/file/57388041537.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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