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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 71 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://ketchas.ru/uplcv?utm_term=introduction+to+biomolecules PDF link annotation

  • http://benthanhsgfarm.net/images/uploads/files/xelurakukabaxa.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/pubobutitubuduzikapovevu.pdfIn PDF document text
  • http://zartmobilia.com/userfiles/file/20210721065408.pdfIn PDF document text
  • http://vhs1962.com/clients/b/b9/b967f936f519796c2a696a6ed1da67f9/File/60707891601.pdfIn PDF document text
  • https://almuhja.com/ckfinder/userfiles/files/jerubife.pdfIn PDF document text
  • https://dialogueinpraxis.net/files/docs/96731893448.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16104676d66ce2---62153838549.pdfIn PDF document text
  • http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/javf8orrbvbo4ostnhacajsba3/68645498170.pdfIn PDF document text
  • http://swaminarayangm.org/userfiles/file/30396662567.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0a83d4293---39968607746.pdfIn PDF document text
  • http://runo34.ru/attachments/file/2039797701.pdfIn PDF document text
  • http://mtjjt.com/2013/upload/article/files/210725180146622373m37h5.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611bb98271233---mujowiruxewinoxuzadubar.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/t1kh9vfdosq0rm205knucp925b/koguv.pdfIn PDF document text
  • https://dimensionshoppe.com/alpha/ckfinder/userfiles/files/tovefefugamijuxisane.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba858e4ccb0---pivubezivawetaleletiwen.pdfIn PDF document text
  • https://acrgroup.nl/userfiles/file/kupal.pdfIn PDF document text
  • https://clinicscrm.com/img/files/monijijijuwipopalor.pdfIn PDF document text
  • http://boschvietnam.vn/files/usersfiles/files/63931554834.pdfIn PDF document text
  • https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/dc1f6beafcba4ead3744ca95134218ec/86955534595.pdfIn PDF document text
  • http://1hozain.ru/files/userfiles/files/mipufakurirarulofe.pdfIn PDF document text
  • https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e68962d9db5---16184042485.pdfIn PDF document text
  • https://digireg.cz/upload/13210909756.pdfIn PDF document text
  • http://duonglaohanoi.com/userfiles/file/56506542645.pdfIn PDF document text
  • http://travelsi.ru/ckfinder/userfiles/files/28522974414.pdfIn PDF document text
  • http://hnc2.com/userfiles/file/josafuput.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16119acfa3ac05---83250307950.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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