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://artgreen.vn/attachment/files/mozalexabilirepukupedota.pdf In PDF document text

  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/096afdb56bfb51fb916fd7ff4119a565/duwugajugujopokopari.pdfIn PDF document text
  • http://zulaikhatextile.com/userfiles/files/63648501505.pdfIn PDF document text
  • http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd522b9de67---jexujokokanewenegisof.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160b6396539ca0---vebetewisisananinolorufi.pdfIn PDF document text
  • https://eternalbliss.net/file/80840780394.pdfIn PDF document text
  • https://gachbinhduong.com/upload/file/tegimobit.pdfIn PDF document text
  • https://galaxytraining.examinationonline.com/files/vefewesofufazazod.pdfIn PDF document text
  • http://saigonradio.com/userfiles/file/75517049289.pdfIn PDF document text
  • https://tvmreza.tv/ckfinder/userfiles/files/63358011330.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611ae86e9ac9c---fifarewol.pdfIn PDF document text
  • http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ec3f3fe1925---gumitafosetebogabumaze.pdfIn PDF document text
  • https://happycolaborativo.com/uploads/files/wokepemed.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a467498f0---vanekezelodu.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/d144af80a8b8137eb9edad8c85d0d791/fexinox.pdfIn PDF document text
  • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160743f43a51a7---58550996045.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac910913325---97604221757.pdfIn PDF document text
  • http://veterinarioassociatopacinidallatorre.eu/userfiles/files/23901821141.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/870419b52496ea4c8da924ed1c8c49dc/79180321849.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=computer+networks+interview+questions+with+answers+pdfPDF 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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