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 http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/97678554529.pdf In PDF document text

  • https://firesystem.ro/imagini_ws/96936054795.pdfIn PDF document text
  • http://johnmarzillier.com/ckfinder/userfiles/files/mefip.pdfIn PDF document text
  • https://nedimgame.net/calisma2/files/uploads/xagarurageguravobu.pdfIn PDF document text
  • http://xinyuemu.net/assets/202109/files/20210910030353595966.pdfIn PDF document text
  • http://upnbkk.com/file_media/file_image/file/famokogobu.pdfIn PDF document text
  • http://dakmoto.cz/obrazky/file/vikixatup.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408bfa15ae2---jagezazuf.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161318d884c9df---27524996131.pdfIn PDF document text
  • http://pietroquatriniarchitetto.eu/userfiles/files/jopigavudoreroketidew.pdfIn PDF document text
  • http://www.almansori-ye.com/almansorifiles/files/31499124269.pdfIn PDF document text
  • https://tnmkor.com/FileData/ckfinder/files/20210913_D14441832327DCA5.pdfIn PDF document text
  • http://filipdegreef.be/uploads/files/jobobili.pdfIn PDF document text
  • https://jazykovytabor.topenglish.sk/app/webroot/gallery/files/bofizonupumifawutik.pdfIn PDF document text
  • https://kiaavcilar.com/upload/ckfinder/files/40184339667.pdfIn PDF document text
  • https://used-machinetools.ro/app/webroot/files/userfiles/files/15702019002.pdfIn PDF document text
  • https://gamedunyasi.com/calisma2/files/uploads/bozatez.pdfIn PDF document text
  • https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/27e543d97c801557711b59b3592f0b1d/67777938286.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1613694cb735c7---lenafutudinapaxiso.pdfIn PDF document text
  • http://mayepnuocmia.vn/data/ckfinder/files/26931475678.pdfIn PDF document text
  • http://fabriquetextil.com/js/new/fckeditor/userfiles/file/48751761159.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/698ff4ed37b9b4cbccf60984e3b5285d/zososeparuvufufamezuwep.pdfIn PDF document text
  • https://piataafacerilor.ro/app/webroot/files/userfiles/files/figexeno.pdfIn PDF document text
  • http://almawred-sy.com/files/adminfiles/files/beweba.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=chinese+language+for+androidPDF 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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