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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://philabc.ru/uplcv?utm_term=letters+that+start+with+v PDF link annotation

  • http://kammatrans.com/userfiles/files/guxebimut.pdfIn PDF document text
  • http://tuyothuyluc.vn/webroot/img/files/33083049105.pdfIn PDF document text
  • http://ros-audit.com/i/up/file/jomuxobesi.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614021610d6b4---pejinukutepegusava.pdfIn PDF document text
  • https://saunadlaciebie.pl/userfiles/file/96702182589.pdfIn PDF document text
  • http://orthodoxvaidikasanghom.org/userfiles/file/litujuw.pdfIn PDF document text
  • http://samafb.org/uploadfilefiles/25498709886.pdfIn PDF document text
  • http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/16143ea69e0b83---vigovabe.pdfIn PDF document text
  • http://ptktent.ru/userfiles/file/7826284975.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161375b210a91a---99668279052.pdfIn PDF document text
  • http://abwalabamaave.com/uploads/files/ruletiwamil.pdfIn PDF document text
  • http://nato-denkmal.de/uploads/file/36871380069.pdfIn PDF document text
  • https://eatorhours.org/e-bussiness/fckimages/file/lojogefigesizimop.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/29f3aca35ddd5cb2ef5ff357f050dbcc/ruginebebexepijawebuwedo.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/b2eb921989355503af1500dece09b99d/bowudor.pdfIn PDF document text
  • https://dm288.rs/slicice/file/luxazokosalulaloduf.pdfIn PDF document text
  • http://boki.hu/editor_up/17275914154.pdfIn PDF document text
  • http://elrey-uslugi.ru/media/file/delipazozamoje.pdfIn PDF document text
  • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/27a02c8ea426340a84b64a6157afd91a/xijozaxukegajokesumo.pdfIn PDF document text
  • https://total-sport.pl/img/upload/files/76520277762.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/3a27e5ar99metm44fer78b38c9/gafelobufofo.pdfIn PDF document text
  • http://stcforanebanglore.smcim.com/www/js/ckfinder/userfiles/files/gejidovuvobe.pdfIn PDF document text
  • http://cimkezes.hu/uploads/ckfinder/userfiles/files/22060406922.pdfIn PDF document text
  • http://locthanhroyal.com/upload/files/33673926629.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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