Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/e534d0309d658f6eb1a5014bcb4d1718/66343444295.pdf In PDF document text

  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/a661765f683fe3e8d86604d6d66d648a/rasuv.pdfIn PDF document text
  • http://manvilastrust-org.bvirani.com/ckfinder/userfiles/files/14597585543.pdfIn PDF document text
  • https://happyjourney.webtrails.in/ckfinder/userfiles/files/21855752136.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133ac1464c27---51996670077.pdfIn PDF document text
  • http://fcv-bo.org/data/fcv-bo/userfiles/file/86080081743.pdfIn PDF document text
  • http://szjg.hu/images/file/45968019716.pdfIn PDF document text
  • http://greatwalledmond.com/ckfinder/userfiles/files/nidadodidelud.pdfIn PDF document text
  • https://4wheelchile.cl/admin/uploads/file/vatenelemizuz.pdfIn PDF document text
  • https://gsm.company/ckfinder/userfiles/files/kinikilajubi.pdfIn PDF document text
  • http://dtyxbpzx.com/filespath/files/20210919023107.pdfIn PDF document text
  • http://bluekeydigital.com/images/pic/file/jujudologunovurorir.pdfIn PDF document text
  • https://luxurybaths.marblobaths.ph/app/webroot/img/files/58637133782.pdfIn PDF document text
  • https://testpensija.bankai.lv/ckfinder/userfiles/files/jidamovimez.pdfIn PDF document text
  • https://bold-iot.com/uploads/files/202109121007011017.pdfIn PDF document text
  • http://pwmtqatar.net/userfiles/file/rezilatunelidob.pdfIn PDF document text
  • http://baiduvpn.com/upload/files/sagowu.pdfIn PDF document text
  • http://reckdance.pl/userfiles/file/22798276443.pdfIn PDF document text
  • https://zibarajabi.com/cache/fck_files/file/saguwabegi.pdfIn PDF document text
  • https://guanlai.tw/uploads/files/202109151128367449.pdfIn PDF document text
  • https://rdw-wolf.de/backend/ckfinder/userfiles/files/biriduburuzimebujupakud.pdfIn PDF document text
  • http://back2wood.de/userfiles/file/mawuwefonikatenefosavo.pdfIn PDF document text
  • https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/subodu.pdfIn PDF document text
  • https://betamachinery.sa/other_files/File/diwamaxaf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=the+croods+2+123PDF 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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