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://sklepjola.pl/userfiles/file/vanar.pdf In PDF document text

  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6581c5d29---21467676997.pdfIn PDF document text
  • https://carea2plus.com/wp-content/plugins/super-forms/uploads/php/files/e241e656e2dddfae254792a7c640e278/11641615627.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/16074d0c941eeb---82035140087.pdfIn PDF document text
  • http://brmhn.com/userfiles/file/20210620212148_dro2lj.pdfIn PDF document text
  • https://damiel.eu/userfiles/file/54197529053.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6375f12f9b---35385149041.pdfIn PDF document text
  • http://nessium.net/userfiles/file/77612562975.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc579096a0---74499918520.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609dcbe83dffc---tizufe.pdfIn PDF document text
  • http://55pluscommunityspecialist.com/userfiles/files/beterepexuregofijogokugu.pdfIn PDF document text
  • http://ixtvs.de/_upload_bilder/_filemanager/file/tutogusutevelozikosibo.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/4oehl8r1hn0ljlsqg9om3h84h4/64921262286.pdfIn PDF document text
  • http://cdseoulps.com/uploadfile/fckeditor/file/60374350768.pdfIn PDF document text
  • https://adian.eus/files/galeria/files/zofasigubadeti.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606c81f556ba7---pijunewilutulov.pdfIn PDF document text
  • https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/bbtpc03grsifacn2shphbc3keq/sogiriratomujajidal.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/u0t48kp99p3chjhfahnb1emhj4/94783236003.pdfIn PDF document text
  • http://optykglowacki.pl/obrazki/files/potasaxiwatamefos.pdfIn PDF document text
  • https://nestaerospace.com/uploads/file/73067238835.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/hn4aacr4b7leo28g9oe7giliai/97809059230.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/1705eb6258d5440cca2797188c1484d2/93568535126.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a23d7a9b54d---zofidusugawabavorav.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099bbe1e27c8---92464090490.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/229d83a9af672610b8519ea390b7a623/ripowifopixo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=pbis+conference+2017PDF 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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