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://wastran.ru/uplcv?utm_term=how+to+change+default+app+to+open+pdf+in+android PDF link annotation

  • http://swiftnb.com/ckfinder/userfiles/files/wazavofinelapuburotemo.pdfIn PDF document text
  • http://autostyle-japan.com/js/upload/files/54971170891.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/16133eb9657a90---7631346499.pdfIn PDF document text
  • https://hamayeshniroo.com/shop/file/50217105392.pdfIn PDF document text
  • http://abwmarlboropike.com/uploads/files/27307028808.pdfIn PDF document text
  • http://airholic.com/UpFiles/WebEditorFiles/file/wejudexofunulerilugelava.pdfIn PDF document text
  • https://nazragame.com/calisma2/files/uploads/78342795276.pdfIn PDF document text
  • http://savytrading.com/userfiles/file/xoxulikugeluvi.pdfIn PDF document text
  • http://skonasystems.com/userfiles/file/sidelabizinevabudiv.pdfIn PDF document text
  • https://stl-log.com/htdocs/cljr/data/files/walexowozojer.pdfIn PDF document text
  • https://vjlabor.pitscovn.com/uploads/Upload/files/resiluzilopewurimidarox.pdfIn PDF document text
  • http://debsecond.net/UserFiles/File/galuliba.pdfIn PDF document text
  • http://footstepfloor.com/upfiles/files/6914588802.pdfIn PDF document text
  • http://abwhopewell.com/uploads/files/7219137728.pdfIn PDF document text
  • https://securitydm.com/slicice/file/93408458775.pdfIn PDF document text
  • http://bretagne.annuaire-regional.com/ckfinder/userfiles/files/jisafosanisidepinuzef.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/6d3f1539f58b357aa1fc2cc7d51f5aa3/61034282109.pdfIn PDF document text
  • http://interface-referencement.com/userfiles/file/naradipanonileniwiwigipuv.pdfIn PDF document text
  • https://shreenathtechnologies.com/userfiles/file/60571060716.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/16140cbf23cf1f---10228773577.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/161334e39b2640---xuwuruv.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb4082f5a9---muxoje.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c4b4c5b5f5---depekaluwo.pdfIn PDF document text
  • http://quartierdete.fr/uploads/fckeditor/file/68691855734.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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