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 https://pistant.ru/uplcv?utm_term=2018+civic+si+coupe+manual PDF link annotation

  • http://outspokenholland.com/userfiles/fckFile/20210618061009.pdfIn PDF document text
  • http://accomplishtheimpossible.com/userfiles_ati/file/32871810468.pdfIn PDF document text
  • http://shuimotongyuan.com/userfiles/file/27507853977.pdfIn PDF document text
  • http://yuhongzg.com/d/files/17486760143.pdfIn PDF document text
  • https://wavesmaroochydore.com/wp-content/plugins/super-forms/uploads/php/files/peed00mg0bbrl6hapvr9c5mnmf/93085904725.pdfIn PDF document text
  • https://tdsns.ru/userfiles/file/kidajanigirufepuzaw.pdfIn PDF document text
  • http://bielwod.com/userfiles/file/55843049890.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7b64b85374---2716979242.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/32da815b0c2bc566f8be83a47100d7f7/81977249849.pdfIn PDF document text
  • http://bodegaadrover.com/userfiles//imagenes/46952002575.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b08fc5c0cdb---wolagimegopozavufawerusa.pdfIn PDF document text
  • http://aroma-es.site/yamituki-n/uploads/files/49487596856.pdfIn PDF document text
  • http://kapli74.ru/upload_picture/jenadowonuwejela.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/n6uuvuhi7gclh8ehg8n098aiu3/nuzed.pdfIn PDF document text
  • https://dukeofmarshall.com/ckfinder/userfiles/files/71272685670.pdfIn PDF document text
  • http://dancephoto.ru/userfiles/files/tanenanoba.pdfIn PDF document text
  • https://www.antoniopopolizio.it/ckfinder/userfiles/files/tositedibofudima.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/c75b4e051f3d7216399d01899286f1ea/zulibizozavesubibakekobe.pdfIn PDF document text
  • https://coluer.ir/documents/file/jabiporukanedawonini.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/6d18deed7edb4d282b369c3ae36fe248/80448045692.pdfIn PDF document text
  • http://anthonyvienna.com/sites/default/files/file/63381511760.pdfIn PDF document text
  • https://proxus.nl/file/45067843824.pdfIn PDF document text
  • http://backyardreleaf.ca/clients/6/6a/6a4eaaf8452764cb6fc14c9064ed0c71/File/11485003074.pdfIn PDF document text
  • http://carshopm.com/js/upload/files/55032708683.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/25b94e3e8c9b3d87be38dae65d23d8db/31425434978.pdfIn PDF document text
  • 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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