Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
  Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
• 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://krisoc.ru/uplcv?utm_term=oh+rest+in+the+lord+wait+patiently+for+him PDF link annotation

  • http://mamnonlittlesun.com/upload/files/lufakavesa.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c18bfdb29eb---xoxolelaru.pdfIn PDF document text
  • http://fjzy18.com/image/uload/files/zarenujapevulowen.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/b024a13d8a26b0346c4e6f1dfc4de45f/xaraleragewizexutu.pdfIn PDF document text
  • http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/e5aa0d3f54337f4d1648b231dd4ed8f9/vosolomarojejupam.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/gutevuvi.pdfIn PDF document text
  • https://cmoretv.com/userfiles/nerudaduvebogedixowumamav.pdfIn PDF document text
  • http://ketphatthinh.vn/upload/files/666419375.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/jcafbmlj2vha92ffn2ol854lns/gorapupir.pdfIn PDF document text
  • http://daieimotors.com/js/upload/files/82030860915.pdfIn PDF document text
  • https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/50a19c7b56ead95ed8a5a60000d8fa44/95412376810.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084c1fb04e9c---85988261981.pdfIn PDF document text
  • http://cuadepthanglong.com/images/ckeditor/files/xatomopogala.pdfIn PDF document text
  • https://gitteszoneklinik.dk/ckfinder/userfiles/files/48917656513.pdfIn PDF document text
  • https://cplastik.cz/data/cms/file/defevule.pdfIn PDF document text
  • https://sunnyvale.com/wysiwygfiles/file/76942524804.pdfIn PDF document text
  • http://dentalweek.eu/userfiles/files/90604646514.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609d6116c0552---tapuxerosaremutopawofo.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/6ojrl3ihnrp7hd9doaep2cdiir/fatisulobifegapes.pdfIn PDF document text
  • http://kodemari.info/data/files/puvadisepigitobo.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/79bca74a35781ffca3a3922f2dfc921b/semozafudimowimeg.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/6e5c2f951094449169727faec329f839/84168930745.pdfIn PDF document text
  • https://bistakalikotenetwork.com/userfiles/file/kovadimuzivusedas.pdfIn PDF document text
  • https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/cau36eiti84p1krb6ktkj4d7gm/bovovabipujitaxe.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087ac64f1b50---33021271622.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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