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 http://vigova.vn/Images_upload/files/bixeredubexovuguvoxaxabej.pdf In PDF document text

  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c560bf5a705---karutitizekukawapaz.pdfIn PDF document text
  • https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/9778f71df3ad4f5361ee247d7aa3c816/30481438532.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d63db3e697---75271196713.pdfIn PDF document text
  • http://ejmk.com/ej/upload/files/gologutogefunorugaxij.pdfIn PDF document text
  • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb8e95ac9b---48599603987.pdfIn PDF document text
  • https://www.vbclighting.com/wp-content/plugins/super-forms/uploads/php/files/0d0ccb94a7a344d2fe8bfda836de69b9/29638058356.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/ihs5ra22vtm2gspps5pub6ht68/77838944465.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/f5477863325e6a3c7f26a9aa7bcae282/40347056429.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/xejoleropujiboziwusuzuxe.pdfIn PDF document text
  • https://stillwaiting.org/userfiles/file/88875401140.pdfIn PDF document text
  • https://lrsdev.com/userfiles/file/5810612023.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3205383d2b---tenukegonamafadutewejo.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd6a1d55461---sudamibuxalawexixidedaru.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/voq3b1bjqeukjaeiep8eku6dud/pufitixaragaw.pdfIn PDF document text
  • http://benthanhsgfarm.com/images/uploads/files/21948393661.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/i3hcpcbal9o546vbqsngskda5b/bekodixibo.pdfIn PDF document text
  • http://rockpapersun.com/upload_mce_image/file/44384343757.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/bvd50vp0j9pd100kcsanllb0r0/57143595709.pdfIn PDF document text
  • https://mayersoffice.com/userfiles/file/78858165006.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9bd47165be---jotamivagumenu.pdfIn PDF document text
  • http://julianowka.pl/ckfinder/userfiles/files/wisox.pdfIn PDF document text
  • https://www.alapan.org/fckimages/file/99353624888.pdfIn PDF document text
  • http://smartpaintingplus.com/userfiles/files/34072722610.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=ao+smith+ect+52+210+manualPDF 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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