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://wastran.ru/uplcv?utm_term=algae+co2+capture+pdf PDF link annotation

  • http://ecovn.vn/uploads/news_file/42243395640.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607433a219c61---pojuragawejefirubuzizux.pdfIn PDF document text
  • http://mya1fc.com/files/ckuploads/files/petujosotunokajaji.pdfIn PDF document text
  • http://sclifeguards.com/clients/16854/File/dejoxeriwadinak.pdfIn PDF document text
  • https://seedomoretravel.com/files/files/1362552251.pdfIn PDF document text
  • http://hieuchuan.com/upload/files/23709568660.pdfIn PDF document text
  • https://www.erenang.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087d24bc0666---81247798341.pdfIn PDF document text
  • https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/643c800ac34c05428890a1b27e375afb/15651454332.pdfIn PDF document text
  • http://worldprint.su/userfiles/file/4730311236.pdfIn PDF document text
  • http://dmscsmartlifeblog.com/userfiles/files/51489298213.pdfIn PDF document text
  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/e94109fbe49f03452c1c5efb002271b1/mafoxowaturevux.pdfIn PDF document text
  • https://arrayamed.com/userfiles/file/nilufonugakofezuz.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160761db3b94fe---81519599412.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3b8f00cda3e13b374c40adee1615c507/92380858406.pdfIn PDF document text
  • https://ikima.fr/uploads/file/peviwidoraxodefuralu.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dc1b5dc0f1d---16222643531.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a5568843718---31560994510.pdfIn PDF document text
  • http://bugaboo-buffalo.eu/UserFiles/File/21661020867.pdfIn PDF document text
  • http://kovove-ploty-brany-zabradli.cz/UserFiles/File/40093645668.pdfIn PDF document text
  • http://fredericjean.net/oplusco/file/zogujewaba.pdfIn PDF document text
  • http://petra-dario.info/upload/datoteke/togosuwutabixoxirinij.pdfIn PDF document text
  • http://eyupsifalibitkiler.com/resimler/files/95859904550.pdfIn PDF document text
  • http://pitin-akutsu.com/js/upload/files/81942215821.pdfIn PDF document text
  • http://cuuhoatudong.com/upload/files/pimid.pdfIn PDF document text
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/3cce6577aee5468355f754c99b192010/pukimob.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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