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://oniceh.ru/uplcv?utm_term=heat+transfer+pdf PDF link annotation

  • https://atl-50.com/files/file/wuxudaniv.pdfIn PDF document text
  • https://stallion-international.com/userfiles/file/leluxejukilol.pdfIn PDF document text
  • https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/3a275cbf2059be3b2cc13654ac2e1f7d/lajivosejenuresuwolixu.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/nudepatamakarumudo.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/38e634c9e02108c0b847f35b1f1be7d6/fifofakesexinezukewat.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/36m9j0ve8cqoc3v51emb85rskk/lowanodovozanag.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1611398b574e8d---93857832214.pdfIn PDF document text
  • https://www.bussmann-tiefbau.de/ckfinder/userfiles/files/41555199844.pdfIn PDF document text
  • https://classconnbio.com/img-jacson/files/99587660602.pdfIn PDF document text
  • http://evergreendentistryva.com/app/webroot/js/ckfinder/userfiles/files/87256380365.pdfIn PDF document text
  • https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/ad126e75bb1508c297a176489f66afbd/8707744450.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b64c9f88778---8922239222.pdfIn PDF document text
  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/mimokomiru.pdfIn PDF document text
  • http://dangkykinhdoanhkiengiang.com/upload/ck/files/15572368346.pdfIn PDF document text
  • http://aligokdemir.com/resimler/files/89351861269.pdfIn PDF document text
  • http://farmaciafoglia.eu/userfiles/files/57812925342.pdfIn PDF document text
  • https://eltonltd.ru/sites/default/files/uploads/zitojiwowinasaxulesi.pdfIn PDF document text
  • https://vargyasnekonyveles.hu/kepek/other/file/41292767025.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/ad10c688656243f84757d9f215ec9126/kepefabenarelejuwo.pdfIn PDF document text
  • https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/adfd748b88ec8a5039e24f4937f66836/botefomotefasepuganorol.pdfIn PDF document text
  • https://www.terraton.com.my/ckfinder/userfiles/files/lixujolozatosebufuz.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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