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://nomylo.ru/uplcv?utm_term=praxis+5002+study+guide+pdf PDF link annotation

  • http://cdmvt.cz/sites/default/files/rugibotaxinajox.pdfIn PDF document text
  • http://www.siposferenc.hu/html/posikawuliwi.pdfIn PDF document text
  • http://canadapremiumlubes.com/survey/userfiles/files/48554292460.pdfIn PDF document text
  • https://textosolutionslinguistiques.ca/upload/editor/file/berule.pdfIn PDF document text
  • https://jackyrouxmethode.com/userfiles/file/37525434218.pdfIn PDF document text
  • http://ecompletecontact.com/ckfinder/userfiles/files/38672168172.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161070a80f01fd---74794380408.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/9583a994f582280c77ac2afe6da1ff2e/19252728059.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082f4b401fac---lufekuxazoxos.pdfIn PDF document text
  • http://benhvientantao.com/img_duhoc/files/95167523912.pdfIn PDF document text
  • http://mhinflatable.com/upload/file/50198195664.pdfIn PDF document text
  • https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/bi82dj6vuupt87mmc05kh7njbi/117483456.pdfIn PDF document text
  • https://workinhotel.com/upload/fckfile/10479276569.pdfIn PDF document text
  • http://tourbusan.net/FileData/ckfinder/files/20210906_7B378A9CE053E30B.pdfIn PDF document text
  • https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/75715300881.pdfIn PDF document text
  • http://dominopark.pl/public/upload/ckfinder//userfiles/files/figajepidaforegas.pdfIn PDF document text
  • http://ordineveterinarivenezia.eu/userfiles/files/35627659974.pdfIn PDF document text
  • https://happyjourney.webtrails.in/ckfinder/userfiles/files/jugapoka.pdfIn PDF document text
  • http://gyobel.itpublic/file/92642429745.pdfIn PDF document text
  • http://k2plusinterior.com/userfiles/guxavovemaz.pdfIn PDF document text
  • https://poolpoint.be/uploads/file/sebepozef.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/rfb1ummf87re5no97oimpt36rs/42000160789.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/74710969703.pdfIn PDF document text
  • http://doubles301.jp/files/ckeditor/files/jinawe.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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