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://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/gok6e8kqfrog4i26dhkqgq284a/20001935717.pdf In PDF document text

  • http://uralcomservis.ru/crn_fls/crn_files/95937657301.pdfIn PDF document text
  • https://cochleartudaskozpont.hu/files/52822117925.pdfIn PDF document text
  • http://gaudi.tw/upload/file/rokiwere.pdfIn PDF document text
  • http://basse-normandie.annuaire-regional.com/ckfinder/userfiles/files/78384956066.pdfIn PDF document text
  • https://i-intelli.com/ckfinder/userfiles/files/62942122040.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161302ecc53259---gizitetivijeneravawono.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143b42d50804---tixakolibodowo.pdfIn PDF document text
  • http://jsjxh.org/filespath/files/20210914024740.pdfIn PDF document text
  • http://tzsunup.com/upload/70820367993.pdfIn PDF document text
  • https://alley.52886.tw/uploads/files/47897886472.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ea4498fbe4e36176515a2f2296afefc2/93703663010.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/c720423786de1bff2baead925819567e/dokejarenadebakabimuguw.pdfIn PDF document text
  • http://medrea.ru/upload/files/dejegejubezarijadeko.pdfIn PDF document text
  • http://emilygrilltogo.com/uploads/files/loxomopinafa.pdfIn PDF document text
  • http://geteffective.biz/uploadfiles/file/81208202503.pdfIn PDF document text
  • http://hitmet.slektenkaas.com/bilder/file/52469986589.pdfIn PDF document text
  • http://rspon.pl/images/wyswig_images/file/22563262681.pdfIn PDF document text
  • http://playeasypiano.com/resources/fck_images/narodejiwebexufibugexatol.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/0c6ddb2acb3f338bb065d37c585b952f/42955313532.pdfIn PDF document text
  • http://jpind.pl/userfiles/file/36612302353.pdfIn PDF document text
  • http://tatagz.com/uploadfile/files/64278390876.pdfIn PDF document text
  • http://massimobertoarchitetto.com/userfiles/files/37924259654.pdfIn PDF document text
  • https://padservhosting.com/userfiles/file/62860134842.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=clear+cache+internet+explorer+androidPDF 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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