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://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/60e7psa7kstavea76sr6irltj2/79864964181.pdf In PDF document text

  • http://jarosi.hu/files/file/8341976266.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608559acc955d---28723424509.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16075799aceae1---79123002989.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e6cd9b52d1---21433908994.pdfIn PDF document text
  • http://gaongonmaiphuong.vn/webroot/img/files/57557719315.pdfIn PDF document text
  • https://electrabicycles.pl/app/webroot/uploads/file/16235091486164.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-5-8/20210508173529623342.pdfIn PDF document text
  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/f90e421a343b262d8f0151aae68daab2/54622461806.pdfIn PDF document text
  • http://dochoiotovn.com/uploads/userfiles/file/96606835413.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/65528651560ac5acfa9b27.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16086c80893307---borafivisufibilepewefutu.pdfIn PDF document text
  • http://year-c.com/upload_fck/file/2021-6-9/20210609100058997396.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/0jnacpqm5h5jr7v64gcjeoi1gq/96392765797.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087686c1248c---nawosazufeviwelosuwar.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160b424e99e9d0---fuwonigobipubulugugapope.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160879fa656cb2---gapamegud.pdfIn PDF document text
  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607f30f43c0ed---kaxotodise.pdfIn PDF document text
  • https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/6a37a20913ab3c4dc33eb1e4eda5ee01/48173826190.pdfIn PDF document text
  • https://gulfsupremesa.com/ckfinder/userfiles/files/zubife.pdfIn PDF document text
  • https://mattress-leader.com/media/vexise.pdfIn PDF document text
  • http://przychodnia-felinskiego.pl/uploads/editor/file/92453688053.pdfIn PDF document text
  • https://asesoriagade.com/app/webroot/files/files/29125799807.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c3afbb1cb97---52761735292.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160724cb1c7d7b---2332722145.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=offshore+hazards+and+safety+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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