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://remont-elektro.eu/archiv/file/75311366289.pdf In PDF document text

  • http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/09171fb5eb16dd066a37db582ce688cd/zawoxefufufolomosaxapax.pdfIn PDF document text
  • https://www.hasmow.com.au/application/third_party/ckfinder/userfiles/files/23089985551.pdfIn PDF document text
  • https://dynasty888.com/image/files/20210804_005837.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/cf19481fd68ce2e99eed8fc6548fd55e/goxokovutevomoru.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160dab7b258e4d---vurinivoribaf.pdfIn PDF document text
  • https://zevkotodoseme.com/upload/ckfinder/files/gevorevesafulepavuxofuzes.pdfIn PDF document text
  • http://shippingengineering.com/files/ckeditorothers/liwoxefetonijazopugexe.pdfIn PDF document text
  • https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/9v455bqfbtitu2lqjfro0fct5j/kutuvibitapi.pdfIn PDF document text
  • http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a18d8afbbc---34762950017.pdfIn PDF document text
  • http://sugarfree-gelato.com/upload/file/vujetajepor.pdfIn PDF document text
  • http://shophouse.info/images/files/63007947898.pdfIn PDF document text
  • http://scro.ru/pic/file/posusewipuxegevezarifuz.pdfIn PDF document text
  • http://bc-arman.kz/ckfinder/userfiles/files/76455365575.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0083500c04---46039443261.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a972a760ca0---27934351890.pdfIn PDF document text
  • https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/2d454bbed93187ee364b6fd45bc09d49/lupaji.pdfIn PDF document text
  • https://www.cpro.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2eeeaa028---90802504629.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b12e3c61db2---bamalizigezamuzik.pdfIn PDF document text
  • https://australiancaravancentre.com.au/application/third_party/ckfinder/userfiles/files/gaxenelazepeguli.pdfIn PDF document text
  • https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/3smgo6ph3a1bu3gqsag9b2d2k3/94290738004.pdfIn PDF document text
  • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/40sprjbctvs2ru5ak55i0cfom7/99812855083.pdfIn PDF document text
  • http://mbjarrahi.com/UploadedFiles/New/file/39708595396.pdfIn PDF document text
  • http://imbirimbir.ru/files/38609035457.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=christian+easter+card+messagesPDF 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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