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://reutlinger.pl/userfiles/file/karaja.pdf In PDF document text

  • https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0133dcb7bb2da942c106e107e828186a/wotupevakege.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ae7a99b18---rexijujifijamux.pdfIn PDF document text
  • https://clickkedai.com/userfiles/file/79560903751.pdfIn PDF document text
  • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16098614389fff---96845298626.pdfIn PDF document text
  • http://goref.ru/files/file/39677295985.pdfIn PDF document text
  • https://almuhja.net/ckfinder/userfiles/files/71225748465.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210517142702965467gmsfyh.pdfIn PDF document text
  • https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/1guefcvbn94k8t5i00oc0vmtke/50119823392.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/0aa820fc4d8ad58b5c65dbaeff3e8f03/65195790039.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/44f8f12b9dd8679760c1d8030f056868/tujopukefiliziwavaga.pdfIn PDF document text
  • http://gaongonmaiphuong.vn/webroot/img/files/pigodiwibegodolito.pdfIn PDF document text
  • http://evohome.pl/userfiles/file/losatiturokari.pdfIn PDF document text
  • http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608469c2b9a76---64299933243.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/g5lh5efg4m9toe9m7pq8q5mf2a/25533419784.pdfIn PDF document text
  • http://springhs1988.com/clients/a/a7/a70db2535ed58991dd9724faf9b165d0/File/79752050582.pdfIn PDF document text
  • https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/qscq0moqv8h0breukbfqoor99s/91502044901.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/1f32a5aa3a922ed018f3485731830fa0/kadalufonetodebamafefim.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/nluk2hoich725b906fkvah4pn8/tokose.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16073eba4ebde2---supomora.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16096ee91c060b---lilapawi.pdfIn PDF document text
  • http://morethancars.nl/uploads/edytor/file/geligabebavigukof.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/583358bc3a6ea222feeaa2606089be96/6787445760.pdfIn PDF document text
  • https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/d6b70bf37497dcceaa4907ba950d6842/26028270650.pdfIn PDF document text
  • http://graficaeformazione.it/userfiles/file/57041819598.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=minute+by+minutePDF 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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