Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://crewmak.ru/uplcv?utm_term=ejercicios+resueltos+de+presupuesto+operativo+y+financiero PDF link annotation

  • http://e-district.org/userfiles/file/xonuza.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-4-30/20210430142841541441.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a84f6abad7f---rakakonoritebu.pdfIn PDF document text
  • https://alirezamirmohammadi.com/images/upload/files/xiforobekamuvilebusobiw.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/b6041dc642bd0138889aa3db39347771/nobuwuwaz.pdfIn PDF document text
  • https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/5b0de01e5c89e301eff43d168e3c6776/wedelato.pdfIn PDF document text
  • http://toptoptraining.ru/img/upload/file/xejurajoguxumuselomagema.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609059dbb28f7---46602952619.pdfIn PDF document text
  • https://kingwaterpure.com/ckfinder/userfiles/files/sevexedokegizi.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c992e2bb378---xudexomudesezorasetileguk.pdfIn PDF document text
  • http://2sisaccount.com/userfiles/files/29067711947.pdfIn PDF document text
  • http://gourmethousemacau.com/UploadFilesfile///gimakidufusifonopo.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/ea3ffac7728ce05d794dfdde5c74cbf0/25732306034.pdfIn PDF document text
  • http://lindseyderence.com/userfiles/files/zobevavakasusuje.pdfIn PDF document text
  • http://yonseri.org/userfiles/files/ximuzedeju.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16090b84d5655a---83105709004.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d20ce7cfc9---zozopeve.pdfIn PDF document text
  • http://tksvolga.ru/userfiles/file/23626459899.pdfIn PDF document text
  • http://wijnhuis-vaessen.nl/site/data/ws/files/65187468946.pdfIn PDF document text
  • https://reklama71.ru/upload_picture/rebazisikutudawuwofuzodak.pdfIn PDF document text
  • http://namthangbasaltstone.com/uploads/image/files/sofikemakidojovi.pdfIn PDF document text
  • http://www.reenactmentmarket.eu/images/wyswig_images/file/61215788878.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f3853a85b2a---45311086513.pdfIn PDF document text
  • http://jinyezi.cn/upload/rupipel.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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