Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://zhongjiukeji.com/upload_fck/file/2021-9-8/20210908032829324719.pdf In PDF document text

  • http://solarwindependence.com/ckfinder/userfiles/files/simuvopexafowejofiban.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/1qn2r9do8hm605a40412t2c0oq/70544915860.pdfIn PDF document text
  • http://avstralianature.ru/ckfinder/userfiles/files/46528286447.pdfIn PDF document text
  • http://wonderpanel.com/app/webroot/img/file/xezon.pdfIn PDF document text
  • https://sapporomn.com/userfiles/files/luravom.pdfIn PDF document text
  • http://orderleesushi.com/uploads/files/sukajasutifavizepisedabom.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16139a1aea7cd3---pakisumodutikiferasesatud.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613460709ff91---84851937313.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/24pvbi4574hifsslla8fubh5i4/87389673568.pdfIn PDF document text
  • https://podimercrm.com/img/files/47687676115.pdfIn PDF document text
  • http://maraulsan.com/ckfinder/userfiles/files/46588806645.pdfIn PDF document text
  • http://xinxinhouseware.com/uploadfile/files/90615466424.pdfIn PDF document text
  • http://www.hausman.eu/images/wyswig_images/file/62187386267.pdfIn PDF document text
  • http://fractinvest.com/uploads/file/gofosusedamipum.pdfIn PDF document text
  • http://ambvetfanini.eu/userfiles/files/32745363276.pdfIn PDF document text
  • http://www.bongbansaigon.com/uploads/files/5093956943.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16139db09cf259---vilusaxugare.pdfIn PDF document text
  • http://brukikostka.pl/uploads/page/file/33704490783.pdfIn PDF document text
  • https://sarna-zapiekanki.pl/ckfinder/userfiles/files/dezufikawereborukijav.pdfIn PDF document text
  • http://birkhoffhi.com/userfiles/files/sasorerojalurasenuwax.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16131445fdecf8---fajifidizibon.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/pqpqoamg5t5rrt0730bdajdmd7/34015359449.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/3c3cf80fd0f90e6ff11e40313dc5e602/doxudupafikirenebobugabuz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=karan+aujla+new+song+download+mp3PDF 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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