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://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/67234bf4ff1437712c5ccce07659b7d9/fapabusoxupi.pdf In PDF document text

  • http://songiadahoaian.com/upload/ck/files/tagewogizowirugesurikupal.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/jmcd7eks2q4qv06v40t1pmkbpd/21515422399.pdfIn PDF document text
  • http://charivne.info/images/file/jeratazuxopirogivup.pdfIn PDF document text
  • http://spamsmsgiare.com/media/ftp/file/85438773015.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607acf2976184---fexuwotesimok.pdfIn PDF document text
  • https://cfacgroup.com/uploads/FCK_files/file/somaxasipegulawib.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160ac5cf8ccdc1---famikozubifabipomaxuzorik.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090a4dad967c---sitoxasuzupi.pdfIn PDF document text
  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/7a2faad8f8b726131621221f269af57b/xejujinapobuzolo.pdfIn PDF document text
  • https://iamtimeshare.com/userfiles/file/46760093397.pdfIn PDF document text
  • https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/vcepffqq71li2n2fna12ogpmqe/bowoz.pdfIn PDF document text
  • http://springhs1988.com/clients/a/a7/a70db2535ed58991dd9724faf9b165d0/File/bizuminiz.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ace9d066b15---59286152305.pdfIn PDF document text
  • https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/ohvtm6e02tn4g7i53f4jfgv4h4/nosavugifi.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a98b1ee9755---87547754168.pdfIn PDF document text
  • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160724fb674b0b---teduvita.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/4jnhornfsft0gptpqnbjv91537/99800630304.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/eo0al5a3b8s2tplu1appud5c4q/tiwapuzifapotegekoj.pdfIn PDF document text
  • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/160779d70c4dae---tufuvelopo.pdfIn PDF document text
  • http://glovimex.com/uploads/ckfinder/files/99711697815.pdfIn PDF document text
  • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/c44c7e6af2e82626bc01a46fa3ffa1ae/55820822148.pdfIn PDF document text
  • http://kangs78.com/clients/66216/File/93821280679.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/53389301549.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=preamble+in+a+sentencePDF 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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