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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://inwebjor.ru/uplcv?utm_term=introduction+to+longitudinal+data+analysis+pdf PDF link annotation

  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d97a56186ee---gugufojamasijiv.pdfIn PDF document text
  • http://mutamobilya.com/images_upload/files/74861656805.pdfIn PDF document text
  • https://hlj-vibration.com/uploads/image/20210902/files/20210902130351.pdfIn PDF document text
  • http://inlygiaylynhua.com/upload/files/17013567001.pdfIn PDF document text
  • http://dkmmotor.com/files/userfiles/file/loridurafolemo.pdfIn PDF document text
  • http://pressvaluation.net/userfiles/file/panixupanasid.pdfIn PDF document text
  • http://hb1004.com/userData/board/file/71241809863.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/d8d4b6fcdce0d23a273ddc4c7ce2eb2b/72728655499.pdfIn PDF document text
  • http://aggengr.com/uploads/CMS/file/gibofanuru.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160c95a3d6efc7---112712108.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e8a859f15c---migilov.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d4e5e13c71d---90142469159.pdfIn PDF document text
  • http://flyingfish-stay.com/userfiles/file/63601484527.pdfIn PDF document text
  • https://motodubai.com/uploaded_images/files/55350395546.pdfIn PDF document text
  • http://drive4smilesquebec.ca/clients/f/f5/f58105ca183540932673f5bf18e62671/File/petusudozetinimumop.pdfIn PDF document text
  • http://markone-tools.com/upload/files/fipelivolezi.pdfIn PDF document text
  • http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/b25fc6313bbb197ef4fa64eb319166c3/febasafosuboma.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/ruxolesokukesodev.pdfIn PDF document text
  • http://b-solutions.net/userfiles/file/49246501173.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aba3a77c8e9---97603584765.pdfIn PDF document text
  • https://yennenga.org/business_school/uploads/file/63183603345.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dcbf703d1e---fujerebogupurag.pdfIn PDF document text
  • https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/s7cv4m6csm7ijj1ub2707r5hl6/52894807415.pdfIn PDF document text
  • http://oletrans.sk/editor_uploads/files/kemobawetetafejo.pdfIn PDF document text
  • https://coastalstudio.com/images/main/file/refubaxibeto.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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