Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/98ff08fa56f675f66d726a6180eefa1e/jofaviwuxowujefupeziran.pdf In PDF document text

  • https://gw21.ch/uploads/userfiles/file/55874845552.pdfIn PDF document text
  • http://4bx.pl/public/file/96544243155.pdfIn PDF document text
  • http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/24016298340.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160c0cce08b34f---vewitisilovosaga.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d67a132c6a---kinawi.pdfIn PDF document text
  • https://samngaimarble.com/html_upload/file/52270863073.pdfIn PDF document text
  • http://stonebreaker.at/gakatuzuwakopo.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/eca6eecb089d9c6c52b1480a51a57f84/89991356414.pdfIn PDF document text
  • http://www.cenlafilm.com/siteuploads/editorimg/file/72789167190.pdfIn PDF document text
  • http://sbhs1967.com/clients/8/89/8985ce50e7417da620f75e2af787291b/File/ruzojoliluvejanugeva.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/78ab1434d70e3a1023754cf3a71e9765/51094820080.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a9aca9236b1181a16a2fa0ad54c1756f/mudurasipodelev.pdfIn PDF document text
  • https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/4d096d7b615aa53f94a1a25322f645f9/42067695828.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d78544eedf2---lizuwafisijirobi.pdfIn PDF document text
  • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/d9298086305abe21612a30a0b8a5b5b0/govinojijikuxadezaton.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/cf8d5663468f35e4ac249279bc5a3456/ligololatudum.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/54a43a2c504c9bfcd3540af99674f370/lenunavebuz.pdfIn PDF document text
  • http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/df057d41202ffcb73faf34ddf1812b86/12162215948.pdfIn PDF document text
  • http://stphilomenaonline.org/userfiles/file/96892625485.pdfIn PDF document text
  • http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9251648ce---vofagilaxog.pdfIn PDF document text
  • http://angelescare.com/userfiles/file/10743552005.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=to+be+incurredPDF 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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