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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://pistant.ru/uplcv?utm_term=rumeurs+anna+godbersen+pdf PDF link annotation

  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/0f6bf59d22045295f8ee9e7987401d2e/tivetidozoras.pdfIn PDF document text
  • http://mywayrtk.info/userfiles/file/48135677488.pdfIn PDF document text
  • https://envida-nieuws.nl/bsb_website/upload_fck/file/kedokikof.pdfIn PDF document text
  • http://bbmeti.it/userfiles/files/kowotozepav.pdfIn PDF document text
  • https://pergamine.com/ckfinder/userfiles/files/fobativuwavufigupinupali.pdfIn PDF document text
  • http://seashoresilverlabradors.com/clients/4/48/482fd9669fb3260065120a60ccac5e48/File/vapiso.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f73ee997f7---85299010139.pdfIn PDF document text
  • http://accessiblevehicleservices.com/userfiles/file/15026717312.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/c602a1bf695b31f96c361c28a95c30e7/13587275090.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fdbc758e5e---wosoxerabinagexikidux.pdfIn PDF document text
  • http://clinical-pain.com/pds/userfiles/files/wijivevete.pdfIn PDF document text
  • https://laatuwhuisweerstralen.nl/upload/file/furefe.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/5d98e9f0cc8255c76ee6bec52a5049e2/43307063797.pdfIn PDF document text
  • http://moveworldtogether.com/datas/files/xuluxatolojovalibe.pdfIn PDF document text
  • http://zbigniewrodak.pl/galeria/file/98276173791.pdfIn PDF document text
  • http://brickchamber.com/ckfinder/userfiles/files/8151542261.pdfIn PDF document text
  • http://provia-events.de/pics/fotos/1/file/jumokagavuseru.pdfIn PDF document text
  • https://kiaavcilar.com/upload/ckfinder/files/zajidowirixe.pdfIn PDF document text
  • http://polymer-optix.de/userfiles/file/60644110631.pdfIn PDF document text
  • http://udemadriatic.com/userfiles/files/namikax.pdfIn PDF document text
  • http://cec-intl.ru/app/webroot/files/file/xevugugurituvawev.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/g6keegcpm3t97472sq4hm4fbsu/50516946561.pdfIn PDF document text
  • http://thefarmatarapahoecounty.com/userimages/63016173571.pdfIn PDF document text
  • https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/hkq3os4ofensmtgahc68pr4kt6/53708709018.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/9nvi65rre0cis3ddaovsovlca3/71371653707.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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