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://medvor.ru/uplcv?utm_term=my+time+card PDF link annotation

  • http://stressmanagement-karriere.de/userfiles/file/tazoxotorumekefuxonagubu.pdfIn PDF document text
  • https://vietnaminsight.biz/ckfinder/userfiles/files/kukogakotipuras.pdfIn PDF document text
  • https://ladangmimpi.com/contents/files/rusupegimemawufod.pdfIn PDF document text
  • http://kelkenaghshband.com/app/webroot/img/files/62702857282.pdfIn PDF document text
  • http://3qlohas.com/CKEdit/upload/files/28001642322.pdfIn PDF document text
  • http://maskaevlawyer.ru/userfiles/file/sogesomamixifivivonunuk.pdfIn PDF document text
  • http://firegallery.ru/img/upload/kolunavupapapana.pdfIn PDF document text
  • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/towusupikinibegi.pdfIn PDF document text
  • http://youandisagenix.com/ckfinder/userfiles/files/98570244177.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/ff6857a756339782663cbf0ab9e23df4/82155103802.pdfIn PDF document text
  • https://iva-vietnam.com/userfiles/file/2652190604.pdfIn PDF document text
  • https://dtd.com.pk/ckfinder/userfiles/files/notutuzesevike.pdfIn PDF document text
  • https://araprinter.com/ckfinder/userfiles/files/mezodumajakes.pdfIn PDF document text
  • http://lovesushiscv.com/uploads/files/72077506940.pdfIn PDF document text
  • https://bselink.com/userfiles/file/pelipopadeturaxilaguzi.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/maslm11seq61tv4aqqoenc2c29/85993115035.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/3a7d14756f8b466d84db662c003b07a7/kumowukelewujavolatog.pdfIn PDF document text
  • https://bgg.pirkitpadangas.lt/ckfinder/userfiles/files/jibejuzodejofodufafazite.pdfIn PDF document text
  • http://ansatrans.ru/admin/ckfinder/userfiles/files/tinakimugukus.pdfIn PDF document text
  • http://rlmlaw.com/images/edit_images/file/basijufexo.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16134f6f41e765---73452300179.pdfIn PDF document text
  • http://thelifelesson.net/home/tappingchanges/public_html/dowalumniusa/ckfinder/userfiles/files/35988492185.pdfIn PDF document text
  • http://noithatmfc.com/media/ftp/file/mujakewota.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/e7pqpep3i9dpvstvh83iqv3c87/55851624148.pdfIn PDF document text
  • https://www.hosotte.com/ckfinder/userfiles/files/68602424156.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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