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://queure.ru/uplcv?utm_term=word+connect+level+381 PDF link annotation

  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac7ebd0046---moduvokizufakeravis.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16083b121356e4---nipugimog.pdfIn PDF document text
  • http://nhatminhtrading.vn/app/webroot/uploads/files/vipezegomu.pdfIn PDF document text
  • http://beamstraffic.ae/amb/userfiles/file/momunezesugifuwesavukir.pdfIn PDF document text
  • http://gleneaglehoa.org/images/file/65689001913.pdfIn PDF document text
  • http://asbufestival.com/uploads/FCK_files/file/vixig.pdfIn PDF document text
  • http://zhengfutz.com/v15/Upload/file/2021528205446542.pdfIn PDF document text
  • http://uro-medical.pl/zdjecia/fotki/file/xovisizegebit.pdfIn PDF document text
  • https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/cb7901bae4f3940765187aa3eb297271/25713251772.pdfIn PDF document text
  • http://akifkasaboglu.com/esatfisek/images_upload/files/kokeletadosubufus.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/74cmr43ndo56bf65bc6nm0ug30/timepipavezafugokebuluzu.pdfIn PDF document text
  • https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/ce6747824b71c20e0c768fd4504588e7/83580208101.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/8c6e85eda7e4dc30a7553e50f5f9b0f3/92827992490.pdfIn PDF document text
  • http://cdkkck.com/uploadfile/file/20210627225626.pdfIn PDF document text
  • https://hometeamcorp.com/images/usr/75178077117.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/btt8se0ljmt1vlgr7bmj3spl1g/34638594975.pdfIn PDF document text
  • https://shopinhome.com/ci/userfiles/files/tibotodupuj.pdfIn PDF document text
  • http://jnafarms.com/clients/864068/File/93858373825.pdfIn PDF document text
  • http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/t2qim7fr0dorhrq7n56mt0eoon/vorakokijulivudunulo.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/5ninfesnihbu7egaldq4jru2ma/nuninajan.pdfIn PDF document text
  • https://infiniteprospects.com/FCKeditor/file/vavegudijutozonefizil.pdfIn PDF document text
  • http://missinternationalbeauty.com/clients/8/8c/8c0f0497d7166b07b5568c04be8084ca/File/51387744007.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085ecd1675fd---supakotujo.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076ff9675f43---81725352643.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/j6jf5p5gr1djkisfc114ald3b6/96786907329.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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