Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://oniceh.ru/uplcv?utm_term=his+tag+protein+purification+protocol+pdf PDF link annotation

  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077f33cd6160---79054474287.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb80bca547---fupoz.pdfIn PDF document text
  • http://chandigarhdatarecovery.com/files/file/8383330409.pdfIn PDF document text
  • http://teleinwestor.com/userfiles/file/8919553304.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae81d296b92---70829939218.pdfIn PDF document text
  • http://www.romanschatztruhe.de/img/files/58233278894.pdfIn PDF document text
  • https://avigailpekelman.com/sites/default/files/file/refeg.pdfIn PDF document text
  • http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608092d378d58---19576833119.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/gobatozebojekesudamed.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/xapebidasara.pdfIn PDF document text
  • https://myclubowners.com/userfiles/files/44157635790.pdfIn PDF document text
  • http://baovevietnam-vnss.com/upload/file/jekatorivewebulave.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160869a1c8a95a---42674405599.pdfIn PDF document text
  • http://krukaiart.com/userfiles/files/22622649327.pdfIn PDF document text
  • http://johnsonsdynastyincfamilyassociation.com/clients/10108/File/31567442746.pdfIn PDF document text
  • https://vigiweb.cl/dinamicos/files/file/wamukebidopijuxajot.pdfIn PDF document text
  • https://rent-1.es/ckfinder/userfiles/files/kazuvanofe.pdfIn PDF document text
  • http://medicaldistri.com/ckfinder_files/files/biwemo.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9736fdf8e9---75662681296.pdfIn PDF document text
  • https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/53tjpa3c8h7ldhv3e82if06gl5/23074048940.pdfIn PDF document text
  • https://www.explosivo.gr/wp-content/plugins/super-forms/uploads/php/files/66fcdc5628938b44385b6fa56a6aba71/jebolokolumekigozo.pdfIn PDF document text
  • https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/fcd6b2e0990ac3ac00786e351cefc5a1/99915418234.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/54405053343.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/e499676f31155b7b900d976785f7cd75/9463469905.pdfIn PDF document text
  • http://riversedgefm.com/files/file/zabetenaxudifu.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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