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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://irlanc.ru/uplcv?utm_term=how+to+root+android+9+with+pc PDF link annotation

  • https://mtestbd.com/assets/uploads/files/zigofaluxop.pdfIn PDF document text
  • https://hydratrend.com/application/third_party/ckfinder/userfiles/files/50784884603.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/4fis3rkeg7bo9qad35f4upod2q/84658857555.pdfIn PDF document text
  • http://imosa.asia/uploads/files/202109130932215734.pdfIn PDF document text
  • https://girisimhaber.com/uploads/file/fubemi.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612eeefe1d340---53837667850.pdfIn PDF document text
  • https://lapakunited.com/contents/files/givazakosupepozojas.pdfIn PDF document text
  • https://yarpaket.ru/userfiles/file/35020407145.pdfIn PDF document text
  • http://maihome.hu/admin1/file/61564919334.pdfIn PDF document text
  • http://fotografiafrancescosomma.com/userfiles/files/sidura.pdfIn PDF document text
  • https://edenestates.com/ckfinder/userfiles/files/45051475110.pdfIn PDF document text
  • http://vivo-mebel.ru/upload/file/nedevago.pdfIn PDF document text
  • http://szkolka-wiercioch.pl/files/file/45024291967.pdfIn PDF document text
  • https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/ec9a7b312648ac326c9ba7ec837718ac/90928629254.pdfIn PDF document text
  • http://chrisdepanneservices.com/Sites/cds/files/lokofeno.pdfIn PDF document text
  • https://euroquimicadistribucion.com/zabaleta/data/imagenes_contenidos/file/34932429992.pdfIn PDF document text
  • http://escuelasfutbol8.com/docs/files/63574565771.pdfIn PDF document text
  • http://ljjxmining.com/uploadfile/file///2021091315595337.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/11138c224828283293c83e3a703074b5/nemagadarok.pdfIn PDF document text
  • http://etenindex.nl/images/uploads/selewipudanupotikogumifu.pdfIn PDF document text
  • http://thaoduocvn.com/userfiles/image/file/tigepegimukoxexesojoveki.pdfIn PDF document text
  • http://ros.by/ckfinder/userfiles/files/28046698432.pdfIn PDF document text
  • http://baharev76.ru/userfiles/file/karopewopezuwoki.pdfIn PDF document text
  • http://polyalpan.hu/_user/file/lipuzaxajeparawugobixusi.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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