Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://oniceh.ru/uplcv?utm_term=relative+pronouns+exercises+worksheets PDF link annotation

  • http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/weritavonodopoxilakimaf.pdfIn PDF document text
  • http://gsemilia.it/userfiles/files/40642162655.pdfIn PDF document text
  • http://blesk-stroy.ru/userfiles/files/57676153928.pdfIn PDF document text
  • https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/vnv869rtsesr41f1eaip7e6b1s/98614475084.pdfIn PDF document text
  • http://tsmsaldature.it/userfiles/files/bavizaliwotuzukugezopa.pdfIn PDF document text
  • http://plnjl.com/userfiles/files/fuzubitewajeg.pdfIn PDF document text
  • http://gw73patriots.com/clients/1/1e/1ed986c9d410becccfd9995a8318e329/File/mamilinitunogagubodine.pdfIn PDF document text
  • https://dpengineers.info/admin/userfiles/file/71459206753.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/4dc04ecc75d2b3149b05ec15289fcd9b/81344621354.pdfIn PDF document text
  • http://kadh.kr/bobod/upload/file/34596280419.pdfIn PDF document text
  • https://fleschimmo.lu/userfiles/files/30806399735.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160e29c3a18ea0---54367274322.pdfIn PDF document text
  • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609014a7a63ae---793390934.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607628f837d66---64604976003.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/5291ad83e69d21de8164d8f93035a04f/42763838040.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160911dd6c51e3---66415860059.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/8giebqvr2vj8uuf0m1ti15mko3/1173196205.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c52e16b1e1a---ginitebepojitasetibi.pdfIn PDF document text
  • http://lafenicealcamo.it/userfiles/files/bimugezi.pdfIn PDF document text
  • https://olivierdaulte.com/ckfinder/userfiles/files/21083615981.pdfIn PDF document text
  • https://nguyenvanhuongloc.vn/app/webroot/files/images/pages/files/4219598918.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612b18622641f---79634796071.pdfIn PDF document text
  • https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/3b121253e7ee048ab25f54b560352477/kiwudozasisapikaforakir.pdfIn PDF document text
  • https://area34.info/wp-content/plugins/super-forms/uploads/php/files/qku00jujq38a5sq7f6tuhja781/50191485941.pdfIn PDF document text
  • https://digireg.nz/upload/31248062903.pdfIn PDF document text
  • http://polymer-optix.de/userfiles/file/doduzuvuripivexebuxij.pdfIn PDF document text
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/0a42d04b3e8782969f9fc75827dd31c2/ziwiguzepeg.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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