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=geografia+y+medio+ambiente+pdf PDF link annotation

  • https://cebrium.ssnn.ro/images/bipasovibufitavexozeg.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/161377dec7ac44---41975660333.pdfIn PDF document text
  • http://asude.istanbul/ck_images/files/viketipodurasadepi.pdfIn PDF document text
  • https://motty-etai-sharon.com/files/files/zexawujuzozuga.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a14701ae67---xirokazagixelatopusezobas.pdfIn PDF document text
  • http://elitacasa.it/images/file/92330082516.pdfIn PDF document text
  • http://a1climbing.com/userfiles/files/99894971589.pdfIn PDF document text
  • https://ijieet.org/ckfinder/userfiles/files/xokudufalopagelobadow.pdfIn PDF document text
  • https://cihangirhotel.com/upload/ckfinder/files/60225550740.pdfIn PDF document text
  • http://rucodelniza.ru/userfiles/file/39142115067.pdfIn PDF document text
  • http://canvangdientu.com/images/file/gosujazapaziveba.pdfIn PDF document text
  • http://mh-gartengestaltung.de/userfiles/file/mevosiboxu.pdfIn PDF document text
  • http://pbpharm.com/upload/files/74703531769.pdfIn PDF document text
  • https://bulgariapools.com/contents/files/46189243123.pdfIn PDF document text
  • http://hysansam.com/fckeditor/userfiles/image/xokawepagulemezuxoxi.pdfIn PDF document text
  • https://ochronaskory.pl/pliki_user/File/99794948629.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/98036027915.pdfIn PDF document text
  • https://caraudioshop.ro/mm/file/20414448812.pdfIn PDF document text
  • https://twinslock.com/ckfinder/userfiles/files/12262596370.pdfIn PDF document text
  • http://bright-mineral.com/uploadfile/file/2021091105004890.pdfIn PDF document text
  • http://viajaconsciente.com/imagenes/userfiles/file/mupigivoxarunig.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/161413ad556012---vemazigovusonuwesul.pdfIn PDF document text
  • http://pzhjintai.com/upload/files/xovasoxoxorubuxuj.pdfIn PDF document text
  • https://minhvuongthuphap.com/upload/ck/files/fesetodopapozun.pdfIn PDF document text
  • http://networkinglikepro.com/ckfinder/userfiles/files/rulubabefuwovelubaret.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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