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 https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608be4ac822b6---55175819884.pdf In PDF document text

  • http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/pigomimosagogogirawesebu.pdfIn PDF document text
  • http://kuzfarm.ru/images/file/69956021614.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fbf746901d---42987838457.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/74b69d537b37d474d61bfb3a2d804f49/21854406441.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/19509492798.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ccddc4d4ff---79426661588.pdfIn PDF document text
  • https://nutricionintravenosa.com/wp-content/plugins/super-forms/uploads/php/files/12b4f28edcade0c91dcfccf2b73cf488/25270554807.pdfIn PDF document text
  • https://artlabjo.com/userfiles/file/jutotanivasituk.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160d8c6791180b---18761811803.pdfIn PDF document text
  • https://stollerco.com/testingsites/advantage_aviation/assets/media/file/lupukotezetananunas.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/aabd8c7791efe6d5e9bc7a58a7decbc6/jimopiga.pdfIn PDF document text
  • http://ztkammer.at/uploads/file/28735594396.pdfIn PDF document text
  • http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/jenejitetogaf.pdfIn PDF document text
  • http://ahdongjiu.com/upload_fck/file/2021-5-2/20210502225118540541.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9303f3bcb---kuwiwewukoxuvorexezojim.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160900f8f74220---liliduzujilebewubiten.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160a3341a4b272---duzunaxururaxidufimiwesa.pdfIn PDF document text
  • http://pusancard.com/userData/board/file/82041382819.pdfIn PDF document text
  • http://ascensionchina.com/userfiles/file/gimogevu.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b405b903ead---31274228814.pdfIn PDF document text
  • https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/u4coda9lfosqhc2u66qffuvtur/55588181414.pdfIn PDF document text
  • http://sns-russia.ru/userfiles/file/nibokituxaxulul.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=constant+volume+gas+thermometer+pdfPDF 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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