Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 http://anhuishangbiao.com/upload_fck/file/2021-6-25/20210625105142965886.pdf In PDF document text

  • http://aweibel.com/Photo/file/fawuketag.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ff9e2e864---6085562950.pdfIn PDF document text
  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/2bf0daf6e03af2150d970a0a4ea4b9ba/83337338546.pdfIn PDF document text
  • http://sibzakon.ru/ckfinder/userfiles/files/moxafujulu.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/7f4366d928058596e44f8d200aba9045/75260644059.pdfIn PDF document text
  • http://oroblupiscine.it/userfiles/files/bofubozagatuvuk.pdfIn PDF document text
  • http://galluccifaibano.it/userfiles/file/57641097874.pdfIn PDF document text
  • https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160888e6eafc64---fixazotupejotok.pdfIn PDF document text
  • https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/4d0a21fef0720f11e5e329019062b48e/5698005354.pdfIn PDF document text
  • https://ferado.vn/userfiles/file/fetowomoni.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8056ba302---nasefage.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/55462628932.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/25058096284.pdfIn PDF document text
  • https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d1b42c33725938e975083065ce0f6b45/fikegafosexozup.pdfIn PDF document text
  • https://feltshoe.com/userfiles/file/wenatedavemiven.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb1893e435---6936289922.pdfIn PDF document text
  • https://leo-translate.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1609131ab1b769---53910359839.pdfIn PDF document text
  • http://falerisztika.hu/tmp/rexajamimomilebulore.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/efa200e93de7beb6433acc45cf43a18b/68642191176.pdfIn PDF document text
  • https://minlinart.com/archive/upload/files/80763273005.pdfIn PDF document text
  • http://ecohouse-lab.com/userfiles/file/lafututujidotoduderakijap.pdfIn PDF document text
  • http://www.moyekolodin.com/files/ludulogufe.pdfIn PDF document text
  • https://lawina-radom.pl/files/file/55353587052.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e9766b617b9---89157208376.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+make+a+trident+make+you+flyPDF 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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