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://philabc.ru/uplcv?utm_term=nuance+pdf+create+7 PDF link annotation

  • http://worthingtonpark101.com/userimages/90630875226.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8894fafb6c---gavifase.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c71e14b7dd---19425590696.pdfIn PDF document text
  • https://feniks9.ru/ckfinder/userfiles/files/wifivasu.pdfIn PDF document text
  • https://ferest.ro/imagini_ws/40732101789.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612c4473e733a---kikirugaritakotek.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9e5feb6f9---78824608880.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d86dcd1eb36---60400324317.pdfIn PDF document text
  • https://noriupapildu.lt/ckfinder/userfiles/files/24272764853.pdfIn PDF document text
  • http://reelproductionshd.com/userfiles/file/dutalugi.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/82022516898.pdfIn PDF document text
  • https://autotoner123.com/home/autotone/public_html/ckeditortest_WORKING/ckfinder/userfiles/files/86308949476.pdfIn PDF document text
  • http://bjaimama.com/data/upload/2021/06/file/202106302326279244.pdfIn PDF document text
  • https://a1-recruitment.fr/v2011/Files/fck_upload/file/41095683597.pdfIn PDF document text
  • http://seasonsblinds.com/uploads/ckfinder/userfiles/files/wukamumatefumi.pdfIn PDF document text
  • https://duel.pl/userfiles/file/lilexigowimuv.pdfIn PDF document text
  • https://aulacvn.com/upload/fck/file/68415182498.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4cd357b52b---namipolaropunexa.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c62f0494d8a---liguzixaxowokatatak.pdfIn PDF document text
  • http://yingtailong.com/upload/file/210831020612742698pmus853cxftj.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f81f5bdbb9---86298295883.pdfIn PDF document text
  • https://lawtutors.co.uk/js/ckfinder/userfiles/files/varotazewumirobak.pdfIn PDF document text
  • http://a-pluset.com/userfiles/panatiz.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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