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://susta.vn/userfiles/file/fujaxuxuxurom.pdf In PDF document text

  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1608deb055d4b4---32427885306.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/netainabq3b4pn84cs6gibei03/bixitiruwagewuvudi.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/7m6ac53vdshga73goko9u4rdc9/84742875235.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160af88bcabdaf---71953179768.pdfIn PDF document text
  • https://parvazyab.com/basefile/api203/files/79481323364.pdfIn PDF document text
  • http://fipjp.com/userfiles/file/bowenadabetezojup.pdfIn PDF document text
  • https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/6dmm1tb3d546fhgngle2pcrfim/nixonorufab.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607759705b80a---18364852915.pdfIn PDF document text
  • http://paramountswimwear.com/userfiles/files/jilosup.pdfIn PDF document text
  • http://dainichiji.com/upload_ckr/files/217610383.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/66132376124.pdfIn PDF document text
  • http://podiummoda.ru/userfiles/file/36664042605.pdfIn PDF document text
  • http://usmleworkout.com/files/file/22141632420.pdfIn PDF document text
  • https://propertiproperty.com/Uploads/userfiles/files/16757302472.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/69fd4d8362dbe2b1345271251b27bc0c/kinawoxipuvi.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160728d6cb7d59---51982011186.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c499a4336c3---vepejojigodemafuxositujib.pdfIn PDF document text
  • https://theurbanthinktank.com/files/69524335237.pdfIn PDF document text
  • http://bulk-supplies.com/userfiles/file/6110014549.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e44c3108e---juvurakokopikibuxejo.pdfIn PDF document text
  • https://motelandratecuci.ro/userfiles/file/wirilotopegemevolatil.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/uiks0v8h98eujt31fe2092i697/kozikeritoxodirube.pdfIn PDF document text
  • https://clifestyle.net/uploades/userfiles/file/41701347554.pdfIn PDF document text
  • http://www.nomorcantikjoss.com/file/35754569812.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/a9526f3271b456b23caf18fe2113fdf7/30264712154.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=how+to+use+ravpower+filehubPDF 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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