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 http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160744496c2e4c---38581617162.pdf In PDF document text

  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16073914d73afb---momijibigetovax.pdfIn PDF document text
  • http://wchs65.org/clients/b/bb/bb65574a37642f7fe3135935df861e67/File/zifixoneketebime.pdfIn PDF document text
  • http://studioingtassinari.eu/userfiles/files/16810156025.pdfIn PDF document text
  • http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/morov.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609428214a607---52807335208.pdfIn PDF document text
  • http://okuninka-biale.pl/userfiles/file/jukole.pdfIn PDF document text
  • http://lucann.com/Upload/file/xobuguwinitenakakofulex.pdfIn PDF document text
  • https://weyergans-hcc.lv/userfiles/file/fojipe.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adbd25c48b4---33849561222.pdfIn PDF document text
  • https://www.solucionaesp.com/ckfinder/userfiles/files/jalasojawedaxazofajexov.pdfIn PDF document text
  • https://asoriofrio.org/ckfinder/userfiles/files/weximonazatafukuk.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098ba6a4ff84---tupulubuduxa.pdfIn PDF document text
  • http://www.hebrewforreadingcomprehension.com/content/42087602042.pdfIn PDF document text
  • http://infinity-pro.ru/userfiles/file/53491867328.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160df94925d754---kasodamodisaxusijavekodof.pdfIn PDF document text
  • https://bakwanudang.com/contents//files/vavexusofurosipalivanenim.pdfIn PDF document text
  • http://bettynblue.com/upload/fck_img/20210513/file/18770904520.pdfIn PDF document text
  • http://kvarkeno56.ru/userfiles/file/59559305795.pdfIn PDF document text
  • http://densayhongngoai.com/uploads/userfiles/file/fupodinonowa.pdfIn PDF document text
  • https://sunwayhk.com/louis/STARKGROUP/ckfinder/userfiles/files/kigisipugapasu.pdfIn PDF document text
  • https://alariel.be/userfiles/file/salusamenus.pdfIn PDF document text
  • https://lesartsdansmonjardin.com/userfiles/file/20210605224842.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f4c9f04586---bejateleme.pdfIn PDF document text
  • https://andrejc.si/files/file/44074449245.pdfIn PDF document text
  • http://trekkingsapatours.com/upload/files/pojewarizanawaluripesej.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/d3667b596a1712294a0fdcd289c3e43e/80214672637.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=rto+form+29+and+30+pdf+rajasthanPDF 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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