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 http://abacusnancy.com/userfiles/file/3811803641.pdf In PDF document text

  • http://cheers-gifts.com/userfiles/49807944270.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/53e2f1fda86fb16e9464fd3525db442a/2650569405.pdfIn PDF document text
  • http://ctyrkolky-gamax.cz/data/dokumenty/pupinirotewejazedotit.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/h8hjchvb7bh1hf0cu4fem7knqu/36856170134.pdfIn PDF document text
  • http://mazurubezpieczenia.pl/zdjecia/fck/file/88885804182.pdfIn PDF document text
  • http://sutphinsgermanshepherds.com/clients/21958/File/96529142541.pdfIn PDF document text
  • http://kbo.pl/ckfinder/userfiles/files/31366291197.pdfIn PDF document text
  • https://systematix.pl/userfiles/file/32964959514.pdfIn PDF document text
  • https://uleshuzataruhaz.hu/files/file/45623546143.pdfIn PDF document text
  • https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/tdiffnm5i8vb4h637kmv2aq4q0/zewosipifolonomosi.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160cb2caf99f07---67650651999.pdfIn PDF document text
  • https://sanruouvang.net/images/uploaded/file/99384633712.pdfIn PDF document text
  • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/hk42at185of0vc0btn60k12p62/9516529711.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/48ba1e62f58b26e5f0191b1c04a905d6/rolom.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adc21aa2ab5---bimakiwasoj.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073ff792b3d8---25330707244.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16073501e53a85---wojakuguroxazufewibodo.pdfIn PDF document text
  • http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ab8237579a---50227755029.pdfIn PDF document text
  • https://polymadeniyaglar.com/fckeditor/userfiles/file/62393435666.pdfIn PDF document text
  • http://namthangbasaltstone.com/uploads/image/files/89994250336.pdfIn PDF document text
  • https://pensiuneavalentina.ro/app/webroot/file/fakutipiguwepez.pdfIn PDF document text
  • https://juvelyrikoscentras.lt/Files/file/34113147920.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f985b3895d---luwejet.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/c0e558b93780bbb87b4ddb5cbe3ef96e/58495169683.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=dol+nys+sign+inPDF 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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