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://crysiq.ru/uplcv?utm_term=taught+tamil+meaning PDF link annotation

  • https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/7e9fd057c11c7ec65893e4b49c10294c/648720335.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5a5808292---sunapiw.pdfIn PDF document text
  • http://gerocuki.hu/user/file/xanatufosawipiwolemu.pdfIn PDF document text
  • http://ahsaipu.com/v15/Upload/file/20214291431253930.pdfIn PDF document text
  • https://fl-forever.com/upfiles/editor/files/18611880419.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/f60f6ca4a8f06a324a429d82ae6e104b/zebidujojotasedepapa.pdfIn PDF document text
  • http://mispuntossaga.com/campannas/file/ruxonelabuxe.pdfIn PDF document text
  • http://proxima-design.cz/files/file/dowurokivovo.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bc472fe4d0e---63150270244.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160bb2dfd603c8---49840635598.pdfIn PDF document text
  • http://begemot-rus.com/uploadfiles/file/2021070205521273499.pdfIn PDF document text
  • http://precedent.by/_newsite/images_from_html_editor/file/vefidinenafiso.pdfIn PDF document text
  • http://cuhs1981.com/clients/8/82/82ca37c076ec4232796cb58ed009bb3a/File/10292272438.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609f97a4edfbf---23776963959.pdfIn PDF document text
  • http://nandeestationery.com/userfiles/files/gapuravinun.pdfIn PDF document text
  • https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/2ddad39eb685ea44f2d2034083c7199a/79626181202.pdfIn PDF document text
  • http://sciattella.net/images/file/71995654015.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bc98c7c8da6---34524321825.pdfIn PDF document text
  • https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/b4b97900e9b615422780736be8a9fbb7/77120539872.pdfIn PDF document text
  • https://sieompaysdebray.fr/lesiom/txt/imgadmin/file/medevuvapid.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608d339364c8f---62525045963.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a1cbe239b53---14787518206.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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