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://nomylo.ru/uplcv?utm_term=metric+units+and+conversions+worksheet PDF link annotation

  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/f499edb30e2aceb2deb5cad53f09f830/revobabaruvi.pdfIn PDF document text
  • https://congchunghadong.com/uploads/files/33970564597.pdfIn PDF document text
  • http://rld-carbon.ru/file/vavaxapibumem.pdfIn PDF document text
  • https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/b04447985970e50a3f1bcbd22382be8a/sizegelojab.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/v05t9kluqr9784vq1g4or6pp83/50339422861.pdfIn PDF document text
  • http://exdebt.bg/userfiles/file/dutalunilegoruderufugi.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/d8431b658c58bbba0cec2722c4a31b27/tobiwudorur.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bbf29347548---retajadejijupinidasojog.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d962db2e7---senox.pdfIn PDF document text
  • http://changrung.com/ckfinder/userfiles/files/monaditagatu.pdfIn PDF document text
  • http://asja-doll.ru/userfiles/file/69300473844.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160792661ab2b4---37811399411.pdfIn PDF document text
  • https://fortworthdental.net/cmsCart/upload/file/dumeful.pdfIn PDF document text
  • https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/5c6245c8da3abaf0dfd96a5c4d3482a0/gafavip.pdfIn PDF document text
  • https://esz.jp/img/editor/files/15104634131.pdfIn PDF document text
  • https://gazelletr.com/userfiles/files/58036970315.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/008f0c115f14b8aeb8a305784c3957f9/sapinoxo.pdfIn PDF document text
  • http://dalnoboy.net/data/filestorage/upload/files/96326939086.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/zululurovogozemafimodi.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/8fe5c7c62dbd5344300ac245a7d961a4/25069986246.pdfIn PDF document text
  • http://vxclouds.com/userfiles/file/dotesejoman.pdfIn PDF document text
  • http://patrick-jardinage.fr/ckfinder/userfiles/files/lazewafoxobole.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a36765899d---43851161643.pdfIn PDF document text
  • https://hkbca.org/UploadFiles/file/20210603162824109.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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