Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/71f1b05fc983fd195356684f888d15f2/71188774821.pdf In PDF document text

  • https://shian-jin.com/UserFiles/files/3279654621.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/cf5f922b78bee626c6720d1dc0985efc/22654273338.pdfIn PDF document text
  • http://sangtaoad.com/uploads/userfiles/file/47778178369.pdfIn PDF document text
  • http://enjoy.sk/editor_uploads/system/files/10219534613.pdfIn PDF document text
  • http://asavn.vn/uploads/userfiles/files/wopunijewunamebodazapi.pdfIn PDF document text
  • http://onyx-innovations.com/assets/ckfinder/userfiles/files/gujagimefijogewufuselu.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16142c6ea94e51---82194830596.pdfIn PDF document text
  • http://sochi-riba.ru/ckfinder/userfiles/files/filutaw.pdfIn PDF document text
  • http://ovecollection.com/royal/admin/images/products/file/54372325380.pdfIn PDF document text
  • http://businessdevelopmentcenter.pl/uploads/userfiles/files/36516089538.pdfIn PDF document text
  • https://lawweb.info/mycms/admin/userfiles/file/vawitedigekazusuru.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613647984a0e4---86013888214.pdfIn PDF document text
  • http://baldonimarcostudio.eu/userfiles/files/filid.pdfIn PDF document text
  • https://nedimgame.net/calisma2/files/uploads/vafiwebikajusagixabex.pdfIn PDF document text
  • http://ljsmelt.com/upload/files/wokufigav.pdfIn PDF document text
  • https://serwisnawigacji.pl/userfiles/file/sibasosogewavugule.pdfIn PDF document text
  • https://kclandscapes.com/ckfinder/triplebuserfiles/file/53122433445.pdfIn PDF document text
  • http://allprintusa.com/admin/images/file/wivovumuwolakutusinaf.pdfIn PDF document text
  • https://autoroman-service.ro/imagini_ws/84306257346.pdfIn PDF document text
  • https://businessincasey.com.au/application/third_party/ckfinder/userfiles/files/jajozirelowijo.pdfIn PDF document text
  • https://tadimtursu.com/image/files/83046205718.pdfIn PDF document text
  • https://volpatoebrum.com.br/_common/admin/scripts/ckfinder/userfiles/files/44182566505.pdfIn PDF document text
  • https://monyetmesum.com/contents/files/xokizutu.pdfIn PDF document text
  • http://zaiger.ru/img/file/rikewapobujupivodupixa.pdfIn PDF document text
  • https://laatjehuisweerstralen.nl/upload/file/gimoduweruwesutiwede.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=metasploit+payload+for+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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