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://www.funes.gob.ar/ckfinder/userfiles/files/74014273959.pdf In PDF document text

  • http://chizclean.ru/files/fck/file/38512859983.pdfIn PDF document text
  • http://panda-es.tokyo/yamituki-n/uploads/files/kunasodepopenidukeme.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/62bd42b4a921e468a57291646920a0f1/14292082915.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/d23e585adf35aed0ba27c0644f5688f7/28828345461.pdfIn PDF document text
  • http://teraval.cz/res/file/38849382137.pdfIn PDF document text
  • http://jrpst.pl/userfiles/file/74223011933.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087f4a4ccaa6---wevoxutivijifenosi.pdfIn PDF document text
  • https://vishalahospitality.com/ckfinder/userfiles/files/danofenobadilelajiguxovow.pdfIn PDF document text
  • https://wulf-sanitaer.de/wp-content/plugins/super-forms/uploads/php/files/ng6vgm16squh0t116cc6ki01mv/99801068897.pdfIn PDF document text
  • http://burattinojatek.hu/userfiles/file/61928147438.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16094413d25e3b---35319563819.pdfIn PDF document text
  • https://bomberosdenavarra.com/userfiles_nexo/files/29973544500.pdfIn PDF document text
  • https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/7c2d6516070de775cb01dc274363f871/juwidag.pdfIn PDF document text
  • http://cdseoulps.com/uploadfile/fckeditor/file/18296301228.pdfIn PDF document text
  • https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/b8bkdp8q8ivehtc3582pvpvu5m/63392424848.pdfIn PDF document text
  • https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/lqir579o28vsjponf6flusj0u2/20025782980.pdfIn PDF document text
  • http://oilandgaswork.com/userfiles/file/52731204553.pdfIn PDF document text
  • http://trustarshida.co/cache/fck_files/file/nadurowewumopudusefaj.pdfIn PDF document text
  • http://tsg-edinstvo.ru/userfiles/file/93629404136.pdfIn PDF document text
  • http://nhatngungoisaoxanh.com/upload/files/85786498169.pdfIn PDF document text
  • http://martonelektro.hu/files/file/10694947809.pdfIn PDF document text
  • http://grandbarnettfamily.com/clients/a/a0/a01b80d98e57c38af56892ab55e7d82f/File/39065025892.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/423499d15eb1b74efc37326a1c453c65/99206508235.pdfIn PDF document text
  • http://wasserburg.pl/userfiles/file/33434834317.pdfIn PDF document text
  • http://www.allatpatikapecs.hu/images/file/kezenorojasevasij.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=factors+affecting+solubility+of+gas+in+liquid+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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