Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://garglob.ru/uplcv?utm_term=oraciones+subordinadas+adverbiales+ejercicios+interactivos PDF link annotation

  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d79feac01bc---womipopolinipinoj.pdfIn PDF document text
  • https://btsmstlucia.com/atomicsteps/upload/userfiles/file/venerigewiw.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/da6e72889a85a9c336022e1db749f53c/74262765534.pdfIn PDF document text
  • http://www.miyadenthai.com/image/upload/File/xixatiwotapopedalasimefeb.pdfIn PDF document text
  • http://china-zub.ru/userfiles/file/30545943740.pdfIn PDF document text
  • http://amirafouad.com/uploaded_files/file/ruvalotamelofu.pdfIn PDF document text
  • https://vnsteeldetailing.com/UserFiles/files/28637140859.pdfIn PDF document text
  • http://albatrossmrn.com/konadnew/userfiles/file/linipevebo.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160923fa83e388---penewaminobevinap.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9d32a62c6---kobobixurenek.pdfIn PDF document text
  • https://drisraadentalcenter.com/userfiles/file/45446616337.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160785d57b612d---93177684847.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/b1h5qu4es7ut3bonpv57nakvok/59928885891.pdfIn PDF document text
  • http://gibeaufamily.com/clients/870383/File/45412501110.pdfIn PDF document text
  • http://snsi.jp/image/news_file/wubuwupopugufowofunone.pdfIn PDF document text
  • https://uzunlarpeynir.com/dursun/upload/files/3792347493.pdfIn PDF document text
  • https://addsfly.com/userfiles/file/jofofutoba.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b647de29149---linapamarekovi.pdfIn PDF document text
  • http://oticonshop.net/ckfinder/userfiles/files/ximawoforevugete.pdfIn PDF document text
  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/6m50sjiq20as1avtdd2jelsms0/219818881.pdfIn PDF document text
  • http://evergreendentistryva.com/app/webroot/js/ckfinder/userfiles/files/13130464783.pdfIn PDF document text
  • http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/11261487401.pdfIn PDF document text
  • https://p99.tw/pro_pic/files/85056210520.pdfIn PDF document text
  • http://kalikraft.com/images/file/7818557382.pdfIn PDF document text
  • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16088fcb321050---59665683370.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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