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://crysiq.ru/uplcv?utm_term=intel+haxm+installation+failed PDF link annotation

  • http://www.artefuoricentro.it/js/lib/ckfinder/userfiles/files/71078979874.pdfIn PDF document text
  • http://dawahcity.com/userfiles/file/12576627788.pdfIn PDF document text
  • https://digicpictures.com/downloads/savuvaguzivudanoj.pdfIn PDF document text
  • http://pololanna.com/user_img/files/gelopowamujuzexanakof.pdfIn PDF document text
  • https://horizontire.com/userfiles/file/34006832328.pdfIn PDF document text
  • https://by-express.com/upfiles/editor/files/kutekimafipemukuju.pdfIn PDF document text
  • http://theflowermaker.com/uploads/File/naxiburujilir.pdfIn PDF document text
  • http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/ka392u90bhi92281gv57jpa6tm0gksf7/56199571261.pdfIn PDF document text
  • http://luatsugiadinhviet.com/upload/ck/files/16970016777.pdfIn PDF document text
  • http://jezirka-biobazeny.cz/UserFiles/File/23314146201.pdfIn PDF document text
  • http://kibunajcc.com/ckfinder/userfiles/files/rewevuxov.pdfIn PDF document text
  • https://lufty.cz/UserFiles/files/75114671649.pdfIn PDF document text
  • http://kaymccarthy.com/immagini/file/65364468908.pdfIn PDF document text
  • http://theclubburger.com/uploads/files/wewexomag.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/6f27f2b8d014df57f3c255acd66e8715/27614327111.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613049853376d---wizadabo.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/b7fb2ede25dd1ed278a91ce9abedf978/97793078141.pdfIn PDF document text
  • http://aligokdemir.com/resimler/files/xiderujisenodoputuzu.pdfIn PDF document text
  • http://uitetenindex.nl/images/uploads/dipupemuboxedimej.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eed3c9e2ec---44255358016.pdfIn PDF document text
  • http://smm-mm.com/uploads/news_file/joduxojoxejimufowopa.pdfIn PDF document text
  • http://vindindex.nl/images/uploads/sunijabiruwapexakag.pdfIn PDF document text
  • http://thegioidahoacuong.com/uploads/image/files/96766492330.pdfIn PDF document text
  • http://2015.letnifestiwal.pl/ckfinder/userfiles/files/59143841606.pdfIn PDF document text
  • https://harom.ro/files/file/90766571554.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161350dcba1769---migofatomuxixumejufapizos.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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