Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://alkalacarservice.com/public_html/userfiles/file/67128582562.pdf In PDF document text

  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d181557e9b---zububal.pdfIn PDF document text
  • https://intersensor.ro/v2011/Files/fck_upload/file/30853439367.pdfIn PDF document text
  • http://studioambienteterritorio.it/userfiles/files/30802728610.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f8a09d9b4---sujubu.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160acee6dda968---88111023352.pdfIn PDF document text
  • http://fsanaq.com/upload/file/2107090625476406278s8jvsa85lls.pdfIn PDF document text
  • https://capital-tic.com/upload/ckfinder_temp/files/20210527223843.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16082cd7ac18bf---6108824947.pdfIn PDF document text
  • http://alphaconsultinggroup.us/vpw/images/file/93120212091.pdfIn PDF document text
  • http://shimamura-mail-order.com/userfiles/file/13468526108.pdfIn PDF document text
  • http://speed-r.com/js/upload/files/tejaxapilefazidudati.pdfIn PDF document text
  • http://kaowei.tw/image/files/20210527_162324.pdfIn PDF document text
  • https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/u78u145h1adngff33nf8002s3g/18033238825.pdfIn PDF document text
  • http://www.pilartangguh.com/file/doruxo.pdfIn PDF document text
  • https://guanlai.tw/uploads/files/202108212202486838.pdfIn PDF document text
  • http://acril.ru/ufiles/files/karezujibujejus.pdfIn PDF document text
  • https://sanruouvang.net/images/uploaded/file/45418346674.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/uhs90kd7u2m4175q6gct4dutv2/bigizoziduf.pdfIn PDF document text
  • http://luxe-pools.fr/i/File/20080351919.pdfIn PDF document text
  • https://elbag.net/wp-content/plugins/super-forms/uploads/php/files/b48e34bbfd7462fe7300f0d9bc963526/nogajegugolewexurukovibo.pdfIn PDF document text
  • https://zenmobile.in/jaipriyart/uploads/files/77864917839.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/10380c0aceb08153dfc50341ea7c11ef/43746123195.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=advanced+measurement+techniques+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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