Malicious PDF — malware analysis report

Heuristics 6

• 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 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://chcial.ru/uplcv?utm_term=phenotypic+switching+in+candida+albicans PDF link annotation

  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/ug6nl7ctm3h5pqajqiherdbvja/58123774452.pdfIn PDF document text
  • https://vigiweb.cl/dinamicos/files/file/bujudomof.pdfIn PDF document text
  • https://iominneapolis.com/wp-content/plugins/super-forms/uploads/php/files/99ad08a6d06bc1e31dc7e1437c9f7b85/rubukemiganimin.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a699c36e14b---65639997242.pdfIn PDF document text
  • http://thuexedanang247.com/uploads/image/files/37368614245.pdfIn PDF document text
  • http://chiangmai-clean.com/user_img/files/voputu.pdfIn PDF document text
  • https://fibaquitaine.fr/cebatrama/userfiles/files/89308262218.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a2624db4e6c---palimuboxopufor.pdfIn PDF document text
  • http://come2menorca.com/images/file/36361706767.pdfIn PDF document text
  • https://egyiksem.hu/uploads/file/vadogumepopijozo.pdfIn PDF document text
  • http://coopmong.com/ckupload/files/lejakukirozabotevezege.pdfIn PDF document text
  • http://weingut-suppan.at/files/98984295398.pdfIn PDF document text
  • http://jnafarms.com/clients/864068/File/20197030059.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/0d48c4dabdac4b94b6b95a39571e07a7/kelepebuxusutabulewiwe.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/g82todgj768s6t5l31mk6qseu0/wuvadakosajepagu.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/f1d85b54532a0ff4b97e18f8e9adda26/lorexakatapi.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609ecf726fffb---14247757516.pdfIn PDF document text
  • http://jyjwqj.com/uploadfile/file///2021062400590044.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/9lu2mlbf8iljm5qbguf2pv3kh9/53090416760.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/qdelufefva3f42bdaj1l9k9v01/jewadosuvuzazikipuxebax.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/16085a26caf22f---zopesuko.pdfIn PDF document text
  • https://wavesmaroochydore.com/wp-content/plugins/super-forms/uploads/php/files/45f57o4fj5kf2bhv1h8lprq0h5/57966634820.pdfIn PDF document text
  • http://thecobbfr.com/clients/4/43/4363d5a08aa72aedcf7f7d4dd0675897/File/92390233549.pdfIn PDF document text
  • https://hogies.com/includes/template/uploads/file/puxijarekatusixa.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/fpba4rllji5u83ti4900268npl/muxas.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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