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://infrive.ru/uplcv?utm_term=how+to+download+iphone+theme+for+android PDF link annotation

  • http://uptownherndon.com/uploads/files/rekuzizotevojim.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/wemosukopulififimabulon.pdfIn PDF document text
  • https://keluargamimpi2.com/contents/files/45861830197.pdfIn PDF document text
  • http://originalcheck.it/public/img_admin/file///riwupimidori.pdfIn PDF document text
  • http://stonepigments.com/userfiles/file/zigib.pdfIn PDF document text
  • http://vps73.juicy-group.com/editor_upload_image/file/gilagazukijikabojalekaji.pdfIn PDF document text
  • http://xn--m1age8bh.xn--p1ai/files/file/69220187419.pdfIn PDF document text
  • http://unicorn-furnitures.com/d/files/47317935263.pdfIn PDF document text
  • http://miyisz.com/mingyi/images/userfiles/file/romipu.pdfIn PDF document text
  • http://bursaceyizgelinlik.com/images_upload/files/71737277674.pdfIn PDF document text
  • http://thedewakohchang.com/image/upload/File/8799176846.pdfIn PDF document text
  • http://www.julietlandau.com/fckeditor/userfiles/file/tadodasineteresinugi.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/goelour4h83pkoc2s4a2s257f7/97761645855.pdfIn PDF document text
  • http://aktifimmo.lu/userfiles/files/88982096012.pdfIn PDF document text
  • http://elcolono.net/userfiles/files/3157924355.pdfIn PDF document text
  • http://abogarestudio.com/userfiles/file/17106267940.pdfIn PDF document text
  • http://bekescsaba.varosom.hu/userfiles/files/12446444778.pdfIn PDF document text
  • https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/493c6rrvbndau3up5scubac7m3/nogavedixuzug.pdfIn PDF document text
  • https://www.jnvhardoi.org/ckfinder/userfiles/files/livuvafarejife.pdfIn PDF document text
  • https://sharpconsulting.us/app/webroot/ckfinder/userfiles/files/rebozamotom.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1613e91f29d153---pokalebojipo.pdfIn PDF document text
  • http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/rowotujewivajamafuzuxakoz.pdfIn PDF document text
  • http://kimsanghun.com/upload/userfiles/file/2021919117110629.pdfIn PDF document text
  • https://architektor.ru/uploads/file/7805133915.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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