Malicious PDF — malware analysis report

Heuristics 7

• 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 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://irlanc.ru/uplcv?utm_term=%C3%BCcretsiz+direksiyonlu+araba+oyunu+indir PDF link annotation

  • https://k-barrierfree.com/FileData/ckfinder/files/20210812_5927A730BDAD512E.pdfIn PDF document text
  • https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/29ote9sdqoeqhjp4l643faub02/madow.pdfIn PDF document text
  • http://coinproject.com/userfiles/image/file/70780172817.pdfIn PDF document text
  • http://kondicionery-ivanteevka.ru/upload_picture/file/8152208385.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c144e5d748---49114104934.pdfIn PDF document text
  • http://thainightjob.com/ckfinder/userfiles/files/58531502631.pdfIn PDF document text
  • http://cinstech-inspect-survey.com/fckeditor_userfiles/file/gapukowitukoxupir.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bb6a6ec8758---46255514585.pdfIn PDF document text
  • https://iva-vietnam.com/userfiles/file/75426952438.pdfIn PDF document text
  • http://developmentassociationofnagaland.org/nbloom/fckuploads/file/81657188872.pdfIn PDF document text
  • http://broadgatecapital.com/userfiles/file/wixonufinugudix.pdfIn PDF document text
  • http://baaningdoi.com/file_media/file_image/file/wilatisegex.pdfIn PDF document text
  • https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/f6390910nhkt4patlomb5ve2dm/lijegolipo.pdfIn PDF document text
  • http://bertoniamministrazione.it/bertoni/public/file/gikovukikakimaze.pdfIn PDF document text
  • https://hgindustrial.eu/userfiles/files/83903824200.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/10bafca4139cbb5b2bcf40d3511611e6/38631215783.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/26b48a96e500548170c9aa8331942c78/vujulupexovexutadewi.pdfIn PDF document text
  • http://familiehollander.nl/images/uploadedimages/file/2866592288.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072d723de7c2---43290302582.pdfIn PDF document text
  • https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/05d0715bce57766aa29621bbe826b284/83242811200.pdfIn PDF document text
  • http://smflow.in/admin/uploads/file/38440332879.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebb898e7c0---98600233058.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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