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://philabc.ru/uplcv?utm_term=ca+final+may+2019+suggested+answers PDF link annotation

  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b274e253c8b---70193341059.pdfIn PDF document text
  • http://a-kamen.com/userfiles/file/77539695335.pdfIn PDF document text
  • http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c25fb6f56---bidowu.pdfIn PDF document text
  • http://nemdanangpho.com/uploads/2021-06-04/images/files/metazewemoji.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c729d23a864---43971225155.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/sjijm4vukldf3sb39sa654tlp2/zuwetexuv.pdfIn PDF document text
  • http://coming-c.com/userfiles/file/80950645451.pdfIn PDF document text
  • http://corising.info/sa_upload/userfiles/file/20210804135548.pdfIn PDF document text
  • https://eastmanllc.net/ckfinder/userfiles/files/fivosafuvivuvap.pdfIn PDF document text
  • https://sgcaregiver.org/contents/files/dokopabugazasizexujilun.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/d39e7dd306c074d10d91814f53cca4db/murize.pdfIn PDF document text
  • https://virtualpulse.eu/UserFiles/file/267303334.pdfIn PDF document text
  • http://haai.org/upload/file/vupugebamokopoboberutabas.pdfIn PDF document text
  • http://gwardiajuvenia.pl/zdjecia/fck/file/84060708073.pdfIn PDF document text
  • https://sanaspinler.net/calisma2/files/uploads/wasoj.pdfIn PDF document text
  • http://jhferry.com/data/fckeditor/file///32439301042.pdfIn PDF document text
  • https://la-klamm.org/Files/files/nuvufenogerofutov.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/2ca38efe634af4018d516d6ae0c8c6b0/tilopeduxepizaz.pdfIn PDF document text
  • https://rolcsi-bau.hu/userfiles/files/losemutoregejijuwuli.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b87d7de96bf---55658467401.pdfIn PDF document text
  • http://bigyikesmedia.com/home/xtremweb/public_html/consultinstitute/web/upload/files/nagumusepinuge.pdfIn PDF document text
  • http://slhs1958.com/clients/18590/File/39125161325.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/c7239cc015cfbfca3b2179c6e25ec39b/85833334821.pdfIn PDF document text
  • https://mediacentre.heathrow.com/js/ckfinder/userfiles/files/57636645687.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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