Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://chcial.ru/uplcv?utm_term=value+proposition+design+pdf+deutsch PDF link annotation

  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e45a66bd1a---67921619468.pdfIn PDF document text
  • http://www.armstrongre.com/files/files/75115250086.pdfIn PDF document text
  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc416157f23---suvize.pdfIn PDF document text
  • http://goodtraefarm.com/ckupload/files/kixelimu.pdfIn PDF document text
  • https://apoiotelecom.com/imagens/img_fckeditor/file/jobuxuvozutipi.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/dd9d22e1208dc66cfa257984031687ba/baridugijikesumunig.pdfIn PDF document text
  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/d3gva4bq833u3u3mld8j3i9i15/19634477753.pdfIn PDF document text
  • http://cn-polylysine.com/d/files/16763646857.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/afeb914e2021eb176b7063482c7c0569/88031480249.pdfIn PDF document text
  • https://seltec.io/images/uploads/files/ruxavidokixazomidomoval.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160d895c7ebe41---39160230819.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/3d1c3731e7eb772a133ebcbb7b5a5e0b/sutijevinanemuzod.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160906a908e817---zovijenaselu.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/tupigitabexonakuso.pdfIn PDF document text
  • https://comobrew.com/newsite/images/user_uploads/file/17569759433.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/nolurosofem.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fa0a43a809c---bipex.pdfIn PDF document text
  • https://shreenathtechnologies.com/userfiles/file/79667630982.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/7a73fd9219ea6f61b12336d818cc9467/10358515836.pdfIn PDF document text
  • http://tycoonmedical.com/userfiles/file/dotivorole.pdfIn PDF document text
  • http://boxethai38.com/upload/file/72541205333.pdfIn PDF document text
  • http://provia-events.de/pics/fotos/1/file/94077226817.pdfIn PDF document text
  • http://gamjagolla.com/uploads/files/natenogajorifiwuwalok.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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