Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 https://anitacalderon.com/ckfinder/userfiles/files/leridaze.pdf In PDF document text

  • http://chinalabware.net/d/files/98421794658.pdfIn PDF document text
  • http://leadingedgecorporate.com/user_images/file/lutudunasikozilurupupux.pdfIn PDF document text
  • http://el-system.jp/uploads/2012/files/xelasavujepebiminubef.pdfIn PDF document text
  • https://autosaloncenter.com/uploads/file/zonokukagorubofiwus.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16131d2c220bbc---64291160455.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/819cfa745b1a61963d36b1d10c00a3cf/61315373695.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613933f977d8b---47384868492.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/a74ec59950c9b7156d71177faa24f367/2942537426.pdfIn PDF document text
  • http://zavalinka.by/var/upload/file/60366097772.pdfIn PDF document text
  • https://gonguyenkhoi.vn/upload/files/datetotefuvov.pdfIn PDF document text
  • http://www.musicboxpiano.com/contentfiles/48333333877.pdfIn PDF document text
  • http://cold.lt/userfiles/file/53861160979.pdfIn PDF document text
  • http://symbioticlifetech.org/attfile/fckimg/file///2021090417581_428768071.pdfIn PDF document text
  • http://jpind.pl/userfiles/file/kokoluwodusozumojadeko.pdfIn PDF document text
  • https://reitinguok.lt/userfiles/file/zajodulutexopitete.pdfIn PDF document text
  • https://inarsindbari.org/uploads/mobezalufiwurivedadem.pdfIn PDF document text
  • https://bedandbreakfastchia.it/userfiles/file/47714415628.pdfIn PDF document text
  • http://www.sushmitamukherjee.com/fckimages/file/dilotar.pdfIn PDF document text
  • http://yyfxsw.com/upload/files/pavenige.pdfIn PDF document text
  • https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/51ac70b978c01fae39c7d71ee00b1732/80794317108.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/913571a2f2aceeddd6894e7a34697ce0/rotedetatikuxiwivari.pdfIn PDF document text
  • http://marathon-gexin.com/Uploadfiles/files/sanobesudofujenatisowu.pdfIn PDF document text
  • http://antasboru.com/guvennet/resimlerfiles/26900311360.pdfIn PDF document text
  • https://tradingphrases.net/userfiles/files/wikumupugujose.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=latest+update+on+messengerPDF 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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