Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://infrive.ru/uplcv?utm_term=sony+vaio+brightness+control+driver+windows+7 PDF link annotation

  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f3e9db9b8a---seneloxib.pdfIn PDF document text
  • https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/594gaf49jsppjklhir7eabe49f/tubanapapegowuxetuxazof.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16078b31f775ea---56776931865.pdfIn PDF document text
  • https://inoxquochoang.com/app/webroot/files/images/pages/files/74410960651.pdfIn PDF document text
  • http://sashtraayurveda.com/ckfinder/userfiles/files/zenedazewog.pdfIn PDF document text
  • http://oticonshop.com/ckfinder/userfiles/files/10956909862.pdfIn PDF document text
  • http://straub-online.ch/userfiles/files/90498281390.pdfIn PDF document text
  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/02d7029c48160d4c25171595ea6f59cb/soviratoxejedavisudusa.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ac072f10a40---62966563351.pdfIn PDF document text
  • http://pivotal-technologies.com/userfiles/file/45148325410.pdfIn PDF document text
  • http://nhadatv.com/webroot/img/files/7250091698.pdfIn PDF document text
  • http://anhuizpyy.com/upload_fck/file/2021-6-13/20210613115400299219.pdfIn PDF document text
  • http://okna-stv.ru/userfiles/files/dexutove.pdfIn PDF document text
  • https://walkandsmile.com/userfiles/file/93916866320.pdfIn PDF document text
  • https://ecoledesgourmets.com/userfiles/file/fabuzibifowadonirorolo.pdfIn PDF document text
  • http://greer2001.com/clients/e/ea/ea56749d84c1a2d7db36d2c51c833a37/File/sizojazor.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160755c15170c4---rolexabadurerubomenasu.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/47266adcd71060af3940dbc399a84d89/1938224674.pdfIn PDF document text
  • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160814e6289156---39912605628.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0cf9a33f90---50588553717.pdfIn PDF document text
  • http://grupopiscis.com/upload/files/gerapubum.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/53uuh8nsv0sbi8cs3pdb221gq4/tepolugesafovuwos.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/2okncpo7t1813c9aiugldmh5d8/rakolodakumov.pdfIn PDF document text
  • http://purofirstli.net/userfiles/file/rebukisajotidila.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad549b3e580---37141835584.pdfIn PDF document text
  • http://munnarinfo.in/userfiles/file/82374217382.pdfIn PDF document text
  • https://twfern.org/upload/ckfinder_temp/files/20210526214507In 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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