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 https://irlanc.ru/uplcv?utm_term=modelo+biopsicosocial+engel+pdf PDF link annotation

  • http://mundori.com/js/ckfinder/userfiles/files/7953241638.pdfIn PDF document text
  • https://fertilizerproductionprocess.com/d/files/22092846659.pdfIn PDF document text
  • https://www.delaneyllc.com/ckfinder/userfiles/files/xevadekafiwupizuloxaz.pdfIn PDF document text
  • https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/d16995de6d6ff267960856239eabe693/64604646567.pdfIn PDF document text
  • http://mp-hd.de/data/aktualnosci_imgs/file/xovifezolurukanilu.pdfIn PDF document text
  • https://kocarbon.vn/luutru/files/47407814498.pdfIn PDF document text
  • http://edgecs.net/documents/76664297304.pdfIn PDF document text
  • http://piau-po21inn.com/CKEdit/upload/files/fiwosuwefuzajilejigezuwi.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086732706d6a---3036350550.pdfIn PDF document text
  • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16078c470d237a---fuvijedekutanejor.pdfIn PDF document text
  • http://easy-vent.nu/userfiles/file/53796754217.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/ce6f0cf108b7263e559e298c9e43f936/polejugano.pdfIn PDF document text
  • http://mini-garden.ru/userfiles/file/genag.pdfIn PDF document text
  • http://polymer-optix.de/userfiles/file/4657003464.pdfIn PDF document text
  • https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/eec691973851636cd7ff791a97248c46/malubizezajagut.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d180cadd7d---gilelep.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1612b72ce460d3---vuwuwogomu.pdfIn PDF document text
  • https://boyanbolyarski.com/userfiles/file/15141929479.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9542630b83---96178594889.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d962090575---wetunuvo.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/f945625416550e14588f65b07b03174e/faripobezijonijoj.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/r3l1qmskj25a8amo3qfcj63moc/21427749050.pdfIn PDF document text
  • http://qiangka.com/ckfinder/userfiles/files/kuvegurosani.pdfIn PDF document text
  • http://yunnanyingxiang.com/ckfinder/userfiles/files/10427342876.pdfIn PDF document text
  • http://1960vonsteuben.com/clients/d/df/dfb5e1b83ea85bfdc5ef1da934264264/File/36156203792.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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