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
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://krisoc.ru/uplcv?utm_term=how+to+update+flutter+sdk+path+in+android+studio PDF link annotation

  • http://uticachemical.com/files/upload/files/veximojim.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/331907c71940cb2f26cce1003e81dbe8/posegafominunesomoj.pdfIn PDF document text
  • http://mebel-moscow.com/content/xuploadimages/file/42340349209.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///5834467632.pdfIn PDF document text
  • https://stradatextiles.com/upload/ckfinder/files/66494114242.pdfIn PDF document text
  • http://truhlarstvi-strakonice.cz/files/file/76068142927.pdfIn PDF document text
  • http://himalayakebab.com/shipinc/userfiles/files/roworikegadene.pdfIn PDF document text
  • http://sheilahancock.net/blogfck/file/28268399244.pdfIn PDF document text
  • https://almentispharma.com/ckfinder/userfiles/files/86379109547.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/3cad39d7bce1e8b896eb04dc87d38c87/mapofewomox.pdfIn PDF document text
  • http://lafiestadelmoto.cz/files/file/93979270301.pdfIn PDF document text
  • http://daiichilogistics.com/uploads/news_file/nezofezepabetujet.pdfIn PDF document text
  • http://strandedtattoo.net/file/zedeg.pdfIn PDF document text
  • https://www.highettmetal.com.au/application/third_party/ckfinder/userfiles/files/dopadoji.pdfIn PDF document text
  • http://www.civilhospitalpalampur.in/img/uploads/files/46145030896.pdfIn PDF document text
  • https://chasehr.in/userfiles/file/xevup.pdfIn PDF document text
  • https://etest.vn/app/webroot/uploads/files/xugakuro.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139b4b7f0e3b---83708408373.pdfIn PDF document text
  • http://farmaciafici.com/userfiles/files/saworibinotejokap.pdfIn PDF document text
  • https://vleek.com/uploads/files/1939002607.pdfIn PDF document text
  • http://bscsaoner.in/ckfinder/userfiles/files/17619382231.pdfIn PDF document text
  • https://krzczonowice.pl/gfx/file/70783487585.pdfIn PDF document text
  • http://sushi-belovo.ru/files/71537281898.pdfIn PDF document text
  • http://hooleihomes.com/cms_images/file/lenul.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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