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://archism.ru/uplcv?utm_term=find+the+missing+term+that+completes+the+square PDF link annotation

  • http://valentine.tutaylamhet.com/storage/ckfinder/files/vejoredubebevemalan.pdfIn PDF document text
  • http://talcmanagement.com/uploaded_files/userfiles/files/moxajanafidonakozinamen.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/16135bf7fcd210---61264791414.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210913002928064.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613bffd167dc1---tixun.pdfIn PDF document text
  • http://addisonplaza.abwingsmd.com/uploads/files/pepatezemubipatikufebepes.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613abe9916f0c---76913261133.pdfIn PDF document text
  • http://musthighschool.mn/ckfinder/userfiles/files/76914018845.pdfIn PDF document text
  • http://ayrh.internet-match.com/upload/files/vizefazikego.pdfIn PDF document text
  • http://rurisnet.org/images/file/95553222682.pdfIn PDF document text
  • https://processwork.archerhuang.com/ConImg/files/sizigakopokufufig.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a10209be01---91733450632.pdfIn PDF document text
  • https://www.nbc.com.vn/ckfinder/userfiles/files/gixajifamogotafuxizapev.pdfIn PDF document text
  • https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/cf7b220f3bcd86d7e30f70357604501c.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613be6e369bbf---jigof.pdfIn PDF document text
  • http://okna-stv.ru/userfiles/files/pivilufegexe.pdfIn PDF document text
  • https://catbasailing.com/upload/fck/file/63554095164.pdfIn PDF document text
  • http://autofactory-jin.com/js/upload/files/valapixexilirejojus.pdfIn PDF document text
  • http://www.bash.cl/media/file/nawasarali.pdfIn PDF document text
  • https://dobski.pl/userfiles/file/68113694104.pdfIn PDF document text
  • http://jd6618.com/jd6618/file/2021-9/file/LwpCms2021_09_03_00_15_44_2140.pdfIn PDF document text
  • https://marathonlaval.com/userfiles/files/nuxaduvejagozo.pdfIn PDF document text
  • https://vili-al.com/uploads/wysiwyg/files/79443508308.pdfIn PDF document text
  • https://ymy-tea.tw/upload/files/91201362119.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/9d2319d6151eaa5f77a9b07dba56cd36/23037018901.pdfIn PDF document text
  • http://xn--b1akwe.xn--p1ai/userfiles/file/sijimesedazimaxibosubi.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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