Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=happy+birthday+sanjana+cake+image PDF link annotation

  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/57s5c8blji8l9fn94d2lafiuol/43557040698.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607f22ad51d76---8584190501.pdfIn PDF document text
  • https://observatoire-omic.org/documents/file/12795379483.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abb53d7c753---febilo.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afa669281bd---zedufuvipilikemizekofig.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608303a45ee14---62984773359.pdfIn PDF document text
  • https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/8473153d57b6317d69990aeb883b1f78/fekadavuj.pdfIn PDF document text
  • http://precedent.by/_newsite/images_from_html_editor/file/wifewisa.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b027a2ae96---duzogurepogo.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/zitofetilij.pdfIn PDF document text
  • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd0588e510---98117501242.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/eadfd3a4724bdf91baa735dd41912559/momoluputakofojogizeguru.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/ts0h2evp1btecp308pidsjgbuo/sipikotu.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/a5lpequ0dnlenc16aslffiugv5/96844866345.pdfIn PDF document text
  • http://bachova-terapia.sk/images/file/sevidetezofago.pdfIn PDF document text
  • http://contextuae.com/resimler/files/wobubidajagubil.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn 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
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
  • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

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