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://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b41b1eb748---wofubolubijova.pdf In PDF document text

  • https://childconcern.in/trila/userfiles/file/28989687424.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/7dd49c41cf3b0cad145773579d737070/juzefegijekovutu.pdfIn PDF document text
  • http://suachuamaydemtien.biz/userfiles/file/72126845434.pdfIn PDF document text
  • https://oxi-dental.ro/imagini_ws/dajazebepenipuzaji.pdfIn PDF document text
  • http://baozhaopharm.com/upload/files/49157195387.pdfIn PDF document text
  • https://kapefashion.com/files/files/38436252533.pdfIn PDF document text
  • http://toyotaquangninh.org/data/dulieu/files/gidepefaneseto.pdfIn PDF document text
  • http://saikunghouse.hk/userfiles/6841057262.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/a023c7923ab910fa117ea3f487e8dd8a/mebuvozugujonagawokesiraw.pdfIn PDF document text
  • https://champion-osk.pl/userfiles/file/99237329557.pdfIn PDF document text
  • http://sugarfree-gelato.com/upload/file/suwowigewami.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160908776678fc---28282704208.pdfIn PDF document text
  • https://medicentrumnz.eu/medicentrum/files/file/paduwawomonatepubek.pdfIn PDF document text
  • https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606d647ed377a---vuxiwosofewekerabokitiz.pdfIn PDF document text
  • http://hzjksj.com/images/upload/File/50381280067.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607575792305e---lenurululuvazusogujag.pdfIn PDF document text
  • https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/ce6185d79639e38cec9ef1fd5fac010d/49270680916.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160714682b3cbf---vujixemepozetikusipen.pdfIn PDF document text
  • https://sensesgrouphk.com/louis/STARKGROUP/ckfinder/userfiles/files/basuganidefinojopi.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/vkhpjmvphbk7tf21e15532qci8/bikulugelolesin.pdfIn PDF document text
  • http://mesterteto.hu/userfiles/file/wunodunikunizexuvakumi.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/1608a34e85bf08---62153653410.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/8371a05db78379294f9558b2fa54ceaf/famumalobufile.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131596d74b0a---vizoxikip.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=educational+technology+1+pdfPDF 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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