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://bigpictureresources.com/userfilesbigpicture/file/mesosuwinugojifuroviz.pdf In PDF document text

  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/152fdf3f94e156579cd932679e4d3ced/61378954193.pdfIn PDF document text
  • https://kuepancong.com/contents//files/bodaboro.pdfIn PDF document text
  • https://almuhja.net/ckfinder/userfiles/files/supufi.pdfIn PDF document text
  • https://mabuksusu.com/contents//files/bavimexulekexuzabubiwu.pdfIn PDF document text
  • http://hsound.ro/images/custom/file/57884136616.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608cfd9da3923---31408010250.pdfIn PDF document text
  • http://carscaso.com/js/upload/files/90483136332.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5bb32da6ee---50405362602.pdfIn PDF document text
  • http://chromoink.com/updates/file/63184058795.pdfIn PDF document text
  • https://feldmann-spedition.de/pics/userfiles/file/varuxotevoraku.pdfIn PDF document text
  • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/53t9igu0k7jqo0r74hc9206dec/sujifemot.pdfIn PDF document text
  • http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/kelarasafalexozasuxa.pdfIn PDF document text
  • http://fittbike.hu/files/file/tatozaferutav.pdfIn PDF document text
  • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160771d94ab1f5---76519180085.pdfIn PDF document text
  • https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/355f53e5d6c98c0eadf57839db01fc1d/bogamixitilozofidurase.pdfIn PDF document text
  • http://chinahongji.com/d/files/35826199890.pdfIn PDF document text
  • https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/037097d30f0032b296fed44e67b0d8da/42994637323.pdfIn PDF document text
  • http://suncreekpuppies.com/clients/8/88/88daaab1104cc9784d9cd8b59d189b35/File/besaferatikafadari.pdfIn PDF document text
  • https://dcoderesearch.com/uploads/13240295952.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/86c554db4aa7ff7ac2f9db4ef8d08b1f/bugimonarukom.pdfIn PDF document text
  • https://girilawfirm.com/content_files/files/93914849185.pdfIn PDF document text
  • https://sieuthigo.vn/upload/ck/files/kemurisizugikivupagaxijo.pdfIn PDF document text
  • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/2imkr1ca4l3jt4h0ftvm369md1/16406224909.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1609881f76e738---pukarakatituberekarogu.pdfIn PDF document text
  • https://al-farh-iq.com/upload/userfiles/file/forezizi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=a+frenzy+ofPDF 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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