Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://synerhu.ru/uplcv?utm_term=application+for+us+passport+ds+11+pdf PDF link annotation

  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16164b3bcf2f0c---70852420342.pdfIn PDF document text
  • http://skontrolsengineering.com/file_media/file_image/file/43783746863.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16163cff7458cd---55684019742.pdfIn PDF document text
  • https://linlinline.biz/js/ckfinder/userfiles/files/lufaxewopojetu.pdfIn PDF document text
  • https://immo-macedo.lu/userfiles/files/51194274155.pdfIn PDF document text
  • http://zuche0551.com/upload/file/19110876963.pdfIn PDF document text
  • https://mayphoviet.com/media/ftp/file/xijejasufurotisi.pdfIn PDF document text
  • http://heorungminhphat.com/luutru/files/tisupugenokarunubuxamelor.pdfIn PDF document text
  • https://polnische-zaune.de/userfiles/file/86737407527.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/aae1e114674f6f3ca608c3bf09f467e9/xozamavuxixuneguwulo.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/1276865492625090885e3a6b9fb5045d/nidami.pdfIn PDF document text
  • https://jills.reviewz.eu/app/webroot/files/userfiles/files/70043286591.pdfIn PDF document text
  • https://siroyensao.com/upload/files/75361309492.pdfIn PDF document text
  • http://retrievers.su/ckfinder/userfiles/files/kugegumajojikel.pdfIn PDF document text
  • http://studiofelician.com/userfiles/files/45067380819.pdfIn PDF document text
  • http://bscsaoner.in/ckfinder/userfiles/files/51022076358.pdfIn PDF document text
  • http://generaldistco.com/images/file/16795907214.pdfIn PDF document text
  • https://crownprolaw.cn/userfiles/Proj_Name/files/maxitilafivef.pdfIn PDF document text
  • https://sedefartphotography.com/resimler/files/53970150203.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1615e1dc1efd3c---berajaronugevazus.pdfIn PDF document text
  • https://ozmutludokum.com/userfiles/file/72954126774.pdfIn PDF document text
  • http://ky-auto.com/uploadfile/files/74629906125.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/161323194c2e9f---tizip.pdfIn PDF document text
  • https://oddluzanie.net/userfiles/file/86877550288.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161403bd302166---28215164905.pdfIn PDF document text
  • http://assessmentinsight.com/ckfinder/userfiles/files/nutumipedimimas.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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