Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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.mamafoundation.cz/ckfinder/userfiles/files/mizilisilugiwi.pdf In PDF document text

  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161318bfb24837---22029688071.pdfIn PDF document text
  • https://manhalhealing.com/userfiles/file/40782792873.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/46278862243.pdfIn PDF document text
  • http://xn--aknmedical-yub.com/uploads/file/14749640903.pdfIn PDF document text
  • http://rungrawin-itt.com/userfiles/files/kopedafuz.pdfIn PDF document text
  • http://eis-pieschel.de/UserFiles/File/22181038472.pdfIn PDF document text
  • http://yoga-privates.com/yoga-privates/file/96699331247.pdfIn PDF document text
  • http://jandenzobv.com/image_uploads/file/fitapuzakulakidelerum.pdfIn PDF document text
  • http://change4best.ru/upload/file/5167746435.pdfIn PDF document text
  • http://volkshilfe-ktn.at/images/content/files/29047066794.pdfIn PDF document text
  • https://bibliothequedesarts.ch/ckfinder/userfiles/files/watewowowurilodem.pdfIn PDF document text
  • http://www.enjoyvaltellina.it/admin/ckfinder/userfiles/files/besafunopijedibesap.pdfIn PDF document text
  • http://haustechnik-hagenauer.at/vatexuzutoxuzimezib.pdfIn PDF document text
  • http://kimwendelldesign.com/ckfinder/userfiles/files/57932071835.pdfIn PDF document text
  • http://ohxto.com/uploaded_files/userfiles/files/44047536052.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd3283a5e3---90842264844.pdfIn PDF document text
  • http://hwangtosidae.com/userData/ebizro_board/file/juxokajojuwiwudavabimu.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16131afc4a3f70---lirevevumomug.pdfIn PDF document text
  • http://sinice-rasy.cz/files/file/metepuvuguzava.pdfIn PDF document text
  • http://zl369.net/userfiles/file/saxivelevumixefafej.pdfIn PDF document text
  • http://asiavent.com/UserFiles/file///taromax.pdfIn PDF document text
  • http://timebymtm.com/upload/files/gotijukixu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=harvest+moon+more+friends+of+mineral+town+apkPDF link annotation
  • http://www.cst.rnu.tn/js/ckfinder/userfiles/files/31725106413.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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