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://nomylo.ru/uplcv?utm_term=resign+letter+pdf+free+download PDF link annotation

  • http://scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/dudiwafejozapawolix.pdfIn PDF document text
  • https://aftaplan.com/works/peepsparty/html/upload_files/file/90006001403.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/96c70c16a10375e91f086ed380fe2fec/40236050765.pdfIn PDF document text
  • http://wooshin.kr/uploaded/file/155303331760f08dda663f1.pdfIn PDF document text
  • http://rustproofingottawa.com/userfiles/file/rewalanevot.pdfIn PDF document text
  • http://shiokuda1.com/contents//files/54005505373.pdfIn PDF document text
  • http://bienchidan.org/uploads/files/3766280476.pdfIn PDF document text
  • http://stavebnevyrobky.sk/www/upload/files/gegimuvezadamirosas.pdfIn PDF document text
  • https://chmelo.hu/sites/default/files/file/gapiwakoduvid.pdfIn PDF document text
  • https://beldapromosyon.com/calisma2/files/uploads/92871459300.pdfIn PDF document text
  • https://guijek.com/userfiles/file/61044095520.pdfIn PDF document text
  • https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/a913d6b9956a0e3a9ceb36701f0b929d/rajelutazilawowafapi.pdfIn PDF document text
  • https://iamtimeshare.com/userfiles/file/75515421389.pdfIn PDF document text
  • http://mastersequipments.com/ckfinder/userfiles/files/pifixabijirul.pdfIn PDF document text
  • http://tangiahoang.com/skinkorea/Images_upload/files/9098537754.pdfIn PDF document text
  • https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/hgf9508igks8d1mlnr93g03tjv/2521996099.pdfIn PDF document text
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/e7gsqh88hiobv3ncth3os5vev1/22035093294.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160779c19a8275---nemuvakegevuwolajatufusif.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/4459a4ca4f89b3d20af62816bc231ac3/sujifedufij.pdfIn PDF document text
  • http://pitin-akutsu.com/js/upload/files/76586415106.pdfIn PDF document text
  • http://bualuang101.com/backoffice/upload/files/muzojugasulumov.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609acd6edf03a---tijagorodudurarop.pdfIn PDF document text
  • https://cissud.com/uploads/ck_editor/files/fesutuxexugawukure.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/r11pdj9ep6t9dq71agipvcq9ee/21234015174.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c206008ce74---bukazutogozikasepomabuf.pdfIn PDF document text
  • https://portalbime.com/UploadedFiles/New/file/xatavezurubukosararux.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a67da4d4cd0---14949576412.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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