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://ketchas.ru/uplcv?utm_term=wireshark+android+wifi+hack PDF link annotation

  • https://optimustelecoms.com/ckfinder/userfiles/files/kisufobe.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/59481bc89aef59eb642ad029c81bd8de/60454541426.pdfIn PDF document text
  • http://mebco.ru/images/file/giwerati.pdfIn PDF document text
  • http://tianlanip.com/filespath/files/20210909130053.pdfIn PDF document text
  • https://atlaskvartir.ua/data/uploads/files/6511494085.pdfIn PDF document text
  • http://opt-russtd.ru/data_center/upload_pictures/file/suremejajoteganar.pdfIn PDF document text
  • http://gzky.cn/dubeite/ckfinder/userfiles/files/20210910_065528.pdfIn PDF document text
  • https://dehayemek.net/upload/ckfinder/files/ralobevibodowukep.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161306cd934d13---mafugilosazunubijinomikus.pdfIn PDF document text
  • https://alarrabnews.com/images/content/content/file/podejuburaxoxituf.pdfIn PDF document text
  • http://master-sign.ru/ckfinder/userfiles/files/96136809672.pdfIn PDF document text
  • http://phamtrangia.site/upload/files/ruxobozofakonavod.pdfIn PDF document text
  • http://atlonnuri.org/UpLoadImage/editer/files/nilopivizixevobawukawejut.pdfIn PDF document text
  • http://impressivetravelvietnam.com/upload/files/42319465883.pdfIn PDF document text
  • https://emilline.dk/ckfinder/userfiles/files/21809633468.pdfIn PDF document text
  • http://ndt-ultratech.com/files/13641785978.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/fecca2eb346941a9ce8ddca3d750da39/80268106950.pdfIn PDF document text
  • http://ristoranteyuri2.com/userfiles/file/98299914301.pdfIn PDF document text
  • https://ksdc.in/userfiles/file/29223632241.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/t39uucjrvtock651cr4rt00a24/60224264746.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613057b44cd93---58463590146.pdfIn PDF document text
  • http://dlevitin.ru/fck_editor_files/files/sekodidomakifefubelufawed.pdfIn PDF document text
  • http://gold-carsales.com/js/upload/files/fezukusoz.pdfIn PDF document text
  • http://xn--zb0bw3kv4s8mn.com/upload/fckeditor/file/57887938484.pdfIn PDF document text
  • https://clinicaalcantara.es/sites/default/files/userfiles/file/98292525133.pdfIn PDF document text
  • http://kanalizace-ul.cz/userfiles/file/13854723981.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/96838457452.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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