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://synerhu.ru/uplcv?utm_term=demon+slayer+movie+stream PDF link annotation

  • http://master-sign.ru/ckfinder/userfiles/files/62703533013.pdfIn PDF document text
  • http://superfishinglewood.com/uploads/files/40743749901.pdfIn PDF document text
  • https://isleo.com/i_photos/file/45789022132.pdfIn PDF document text
  • http://hicoweld.com/shop/fck_file/file/71178130351.pdfIn PDF document text
  • http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/35587137009.pdfIn PDF document text
  • https://hotelpancharatna.com/assets/userfiles/files/migivazeveruti.pdfIn PDF document text
  • http://cokhilegia.com/upload/files/pepuboxulewebarip.pdfIn PDF document text
  • https://dimensionshoppe.com/alpha/ckfinder/userfiles/files/20007828788.pdfIn PDF document text
  • https://xn--z4qq44i.xn--kpry57d/upload/actfiles/kunajisoses.pdfIn PDF document text
  • http://i-akparat.kz/ckfinder/userfiles/files/mebozuwetaza.pdfIn PDF document text
  • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143599943eba---vurixikefiwa.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/c68f1b3005e1b126464bf318e6c52eb5/60109813886.pdfIn PDF document text
  • http://pokebarslo.com/uploads/files/45534164150.pdfIn PDF document text
  • http://taemyung.com/data/upload/file/61964356835.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614058ba33df3---25882854839.pdfIn PDF document text
  • http://pk.mo/userfiles/file/sesojenumomub.pdfIn PDF document text
  • https://endeligmandag.no/e-brev/data/div/84629390845.pdfIn PDF document text
  • http://buffagiuseppeinfissi.com/userfiles/files/21979663915.pdfIn PDF document text
  • http://wpscrm.in/uploaded_files/userfiles/files/16135236418.pdfIn PDF document text
  • https://sapporomn.com/userfiles/files/53411306449.pdfIn PDF document text
  • https://nirmalujjwal.com/public/ckfinder/userfiles/files/21461145657.pdfIn PDF document text
  • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/9884eb060f190c9d4a879da53ccdef10/gitupikezujogokonudemixaf.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-9-10/20210910042424421720.pdfIn PDF document text
  • https://albertoangel.sinecsas.com/ckfinder/userfiles/files/malipusajikovubekovetabav.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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