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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://jyjwqj.com/uploadfile/file///2022022302575848.pdf In PDF document text

  • http://directopinion.biz/uploads/FCK_files/file/20237541765.pdfIn PDF document text
  • http://singlesync.com/userfiles/file/3325043817.pdfIn PDF document text
  • https://nonikezit.weebly.com/uploads/1/3/4/3/134335915/4f3d12d0bbe0.pdfIn PDF document text
  • http://demo-jesma.shopcloud.es/ckfinder/userfiles/files/ridimabapepakovubasabog.pdfIn PDF document text
  • https://jowekesilexufem.weebly.com/uploads/1/3/4/6/134647399/soxibomafidosu_geriwu_wufozuvil_punubiratu.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16246d06154ca2---78571356485.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/84416ca8d30ef859598bbc1a5f8be8f1/29498200785.pdfIn PDF document text
  • http://bona-brickmachine.com/d/files/zugaximutap.pdfIn PDF document text
  • https://ludopugadataz.weebly.com/uploads/1/3/4/7/134709803/zupolavokesuzi_xiduxetul.pdfIn PDF document text
  • http://07-3739589.com/CKEdit/upload/files/23294032023.pdfIn PDF document text
  • https://rexuvaxap.weebly.com/uploads/1/3/5/2/135297240/6672c.pdfIn PDF document text
  • https://jetupokojopol.weebly.com/uploads/1/4/1/4/141460773/4811118.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1620ee125afac5---zufibivemupemixomotas.pdfIn PDF document text
  • https://poxesaxe.weebly.com/uploads/1/3/0/7/130738711/zozupaju.pdfIn PDF document text
  • https://pubogovivewata.weebly.com/uploads/1/3/2/3/132302724/956823.pdfIn PDF document text
  • http://e2ingenieros.com/ckfinder/userfiles/files/nabifasazizujuxekibifid.pdfIn PDF document text
  • https://gejidodedawo.weebly.com/uploads/1/3/4/0/134018108/ce201609.pdfIn PDF document text
  • https://ikayros.com/app/webroot/upload/files/vaxajojelujufezibavido.pdfIn PDF document text
  • https://fecuq.co.za/YmrXLWy8?keyword=free%20bracket%20generator%20pdf%20downloadsPDF link annotation
  • https://inflexi.com/kcfinder/upload/files/motigizuganilinakulota.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 extracted file (font_00_sfnt_off0000b778.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000b778.bin)

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