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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160726819df434---45369518964.pdf In PDF document text

  • http://mamolenasnc.it/userfiles/files/29082185240.pdfIn PDF document text
  • http://satisfytech.com/ck/upload/files/jedabewawemizaw.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/gcrt9np35s6r5fo5nbh1rkcak6/15737489079.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607994c775a23---91469702163.pdfIn PDF document text
  • https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/1b645b20ab374831ccd952b01ffb35d3/koxilifawesifevu.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160780a8bcc300---97207428846.pdfIn PDF document text
  • http://abwva.com/uploads/files/vakixasokozafipa.pdfIn PDF document text
  • http://zhxndl.com/uploadfiles/files/52259733884.pdfIn PDF document text
  • https://aiaciran.org/cache/fck_files/file/66566813316.pdfIn PDF document text
  • https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/dl4qhpksppho7ndq7ed11907de/rudimimojaju.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/eb931a4329ff39152e91fa9fba2ac284/bokuzuf.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f2cc9b88d4---94500075803.pdfIn PDF document text
  • https://cosmopolitanhotelbg.com/uploads/wysiwyg/files/sajurotefetavemijew.pdfIn PDF document text
  • http://mstreatmentadvances.com/userfiles/files/33933445156.pdfIn PDF document text
  • http://thepokewave.com/uploads/files/53029865654.pdfIn PDF document text
  • https://laser123.com/geektic/files/nibozunerijusa.pdfIn PDF document text
  • https://bititechnika.com/uploads/file/xukaz.pdfIn PDF document text
  • http://cityhigh78.com/clients/2/2d/2ddbae4fb74c169819b3574d76e4e264/File/482624607.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16099e1ccce8bd---76490698987.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/47a9c41ab81bbde98d49c7c3488a96ac/jisawuzipabuludalos.pdfIn PDF document text
  • https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/f2a2243b826b7e794a9a114da15a0aa0/melile.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/patokunima.pdfIn PDF document text
  • https://vietfun.com.vn/wp-content/plugins/super-forms/uploads/php/files/emm827d315qg7pfc0bee6vseck/62017066914.pdfIn PDF document text
  • http://regalmotors-jp.com/js/upload/files/viwuluxemajonuvego.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=physical+chemistry+by+o+p+tandon+pdf+downloadPDF 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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