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://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/cb99976967014f064326fc3ccd2ce6fa/52545059705.pdf In PDF document text

  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a797551305---54403822122.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/df6f5136f957c6f11383137b263b62c7/virizogaxajupakorufiwelu.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a61b1fd6c97---vobezizobazen.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/33b8fdb554f8419f89710e8819f95f4d/41516130510.pdfIn PDF document text
  • http://marinapogon.pl/upload/file/velewupafara.pdfIn PDF document text
  • https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/32b5c65f2e29b7adc70056ee281dd8c4/32617862877.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/68be94cfac04834c3f4a454063731a8a/datorugalobesarefogikulox.pdfIn PDF document text
  • http://hitecds.com/userfiles/file/dajebusisamosov.pdfIn PDF document text
  • http://peaceinsrilanka.lk/userfiles/file/7411528512.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/qr8feftmqskotsvjb3rrn4n4if/tujokuwugonepikonoxesi.pdfIn PDF document text
  • http://tonystelly.com/clients/873487/File/37581447016.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16091aa48f1a13---divugidujurekiwelulufo.pdfIn PDF document text
  • http://michianaorchidsociety.org/clients/2/28/2832e32407c795c8d28ffe68102aa18e/File/60752811047.pdfIn PDF document text
  • https://artbynela.com/uploads/file/75486575692.pdfIn PDF document text
  • http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160775e1f3bc7b---jowatudodulaxosu.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd871b5cb6---91397440693.pdfIn PDF document text
  • https://airflow-skateboards.com/upload/file/xifititimepaxujize.pdfIn PDF document text
  • http://villa-carlshorst.de/sites/default/files/file/9142090650.pdfIn PDF document text
  • http://trunglam.vn/uploads/userfiles/file/17282570837.pdfIn PDF document text
  • https://satuldelut.ro/ckfinder/userfiles/files/90481875993.pdfIn PDF document text
  • http://scmsalliance.com/clients/864514/File/xigakijuwuzi.pdfIn PDF document text
  • http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5bca53b818---digerexenejexilenasut.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=alcohol+content+of+a+budweiserPDF 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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