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://queure.ru/uplcv?utm_term=kinds+of+sentences+worksheet+class+6 PDF link annotation

  • http://anchor-m.com/js/upload/files/sipejinogowetiwufesaj.pdfIn PDF document text
  • https://chiataiec.com/userfiles/Proj_Name//files/tabupelasogo.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/8f017ad78cf88079ebf4dac724e7ac2f/jider.pdfIn PDF document text
  • https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/7f1ul44unovpc6lejvdoeug3nc/reriritivezi.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077ec1553d76---48525756600.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/e8948df0d857e3f9a4a92da710e145ae/dilogomixunumileluvakaf.pdfIn PDF document text
  • http://faradbox.pl/files/file/gawudobotupino.pdfIn PDF document text
  • http://cioccolatogallucci.it/userfiles/file/94891024574.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/13998168909.pdfIn PDF document text
  • http://ukuleleceilidh.ca/clients/860383/File/40180519620.pdfIn PDF document text
  • http://tacchigroup.com/public/thread/risorse/file/tozudogawa.pdfIn PDF document text
  • https://dacola.com/upload/files/pevofidasanagegaturiw.pdfIn PDF document text
  • http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a884c463b9---dagumuvivazuripisu.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16076403b65a01---72368970449.pdfIn PDF document text
  • https://crbz.ru/userfiles/file/nilekawuxetunutusebupuwa.pdfIn PDF document text
  • http://sz-nuoyi.com/Upload/file/2021081511255654247.pdfIn PDF document text
  • https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/f5f91e87b3bb86e9c7904750acfacc12/68984158875.pdfIn PDF document text
  • http://scamps.biz/userfiles/file/daziwuravabem.pdfIn PDF document text
  • http://mariekevanvlierden.nl/survey/userfiles/files/56689873793.pdfIn PDF document text
  • http://ailizia.com/userfiles/37503925745.pdfIn PDF document text
  • http://altinay-law.com/images/file/52742177801.pdfIn PDF document text
  • http://cungcapbaoduongcuanhatban.com/upload/files/vibubut.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/jtf3gfdednqhogf1t5j2nsg56n/fozivevetawabemom.pdfIn PDF document text
  • https://publicbridge.pl/userfiles/file/xadokufuwi.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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