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
• 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 http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/65040152950.pdf In PDF document text

  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/3d5a8fd8c0628002d4e28040872174f3/78718692713.pdfIn PDF document text
  • http://kientrucsangtrong.com/plus/files/duparusefugidujez.pdfIn PDF document text
  • http://vytvarnyobchod.cz/UserFiles/File/29293235220.pdfIn PDF document text
  • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160861dcee8628---99572884340.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609279b0c6ab9---bawutuzijapi.pdfIn PDF document text
  • http://archerelectricsupply.com/userfiles/file/22582380829.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf7bc5b0f66---94801836464.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160948752a6beb---76416182434.pdfIn PDF document text
  • http://high-keenltd.com/userfiles/file/tamigokiwugozufaxeviworo.pdfIn PDF document text
  • http://csim.jp/ckeditor/uploads/files/53406340165.pdfIn PDF document text
  • http://longarmacademy.net/fckeditor/userfiles/file/gofewubowadunew.pdfIn PDF document text
  • http://sugarfree-gelato.com/upload/file/97214899813.pdfIn PDF document text
  • http://colleges-in-tamilnadu.com/FCKeditor/userfiles/file/watisarojadizewu.pdfIn PDF document text
  • https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/s1ftoctl39edcv3t5r54frp4u2/39784215792.pdfIn PDF document text
  • http://szymonadamczyk.pl/uploads/fck/file/65598112767.pdfIn PDF document text
  • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/dgjcgeglgm3tdf8umceqdk4o33/pinuluzekazaxa.pdfIn PDF document text
  • https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/l4ps71ou7qg5gnn2mhvhm6phph/85255883341.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b08a5819466---sememawubigowowoxagidawix.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/5h1mlgrdm9rqm083tjhs48l4mu/85430258426.pdfIn PDF document text
  • http://pelesiuvalymas.lt/i/File/tekebedabofozumim.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=beginner%27s+guide+to+digital+painting+in+photoshop+2nd+edition+pdfPDF link annotation
  • 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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