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://irlanc.ru/uplcv?utm_term=physics+ii+formula+sheet PDF link annotation

  • http://dakmoto.cz/obrazky/file/zasadobutubonozonemega.pdfIn PDF document text
  • http://imobiliariaimperio.com/files/files/11995635902.pdfIn PDF document text
  • http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/vuxagikodumamusugegub.pdfIn PDF document text
  • http://soosanfix.com/upload/fckeditor/file/murazovagapadabakaji.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161543f9d1c7c7---14198006456.pdfIn PDF document text
  • http://aaaa.handyfriendship.com/upload/files/nosanebox.pdfIn PDF document text
  • http://nonstopsushi.com/uploads/files/14745633710.pdfIn PDF document text
  • https://myparrotfood.com/user_files/files/birexebaliz.pdfIn PDF document text
  • http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/93313335524.pdfIn PDF document text
  • http://doggystylzgrooming.com/admin/photos/file/xedejelekikefor.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c0c0446f7e---pugefixozotalonusidol.pdfIn PDF document text
  • https://www.luthier-auxerre.fr/ckfinder/userfiles/files/89630950421.pdfIn PDF document text
  • http://inphilong.com/upload/files/85697203424.pdfIn PDF document text
  • https://dzido.pl/userfiles/file/40404454623.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/1saisp4t3ljcvm71m0cf54a9bp/76966287522.pdfIn PDF document text
  • http://reclameindex.nl/images/uploads/51260379534.pdfIn PDF document text
  • https://ijieet.org/ckfinder/userfiles/files/4599535176.pdfIn PDF document text
  • http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/robivozepavozovigeku.pdfIn PDF document text
  • http://sinice-rasy.cz/files/file/84298853640.pdfIn PDF document text
  • http://kondicionery-lobnya.ru/upload_picture/file/18227538340.pdfIn PDF document text
  • http://irinabailey.com/upload/files/52882934440.pdfIn PDF document text
  • https://niboparis.com/upload/fckeditor/file/1631805944_1.pdfIn PDF document text
  • https://www.natursany.com/ckfinder/userfiles/files/wuvitijisifasu.pdfIn PDF document text
  • http://gomientrung.vn/uploads/image/files/meguka.pdfIn PDF document text
  • https://osiindia.org/ckfinder/userfiles/files/soboxelabelan.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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