Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://iohrp.org/f_files/files/63309646648.pdf In PDF document text

  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160742f447def9---monipobazijadufe.pdfIn PDF document text
  • https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/2r8gml5q4g5ms6h7j3ic309gn3/53150466847.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161252573b8400---16043674493.pdfIn PDF document text
  • https://ice-group.pl/userfiles/file/17977431167.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16091583d04527---kuvexepivajo.pdfPDF link annotation
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a58d6201446---74588332153.pdfIn PDF document text
  • https://kopari.hu/files/file/zepageni.pdfIn PDF document text
  • http://thainightjob.com/ckfinder/userfiles/files/90344417936.pdfIn PDF document text
  • http://anapharmata.hu/ckfinder/core/connector/php/files/77273171878.pdfIn PDF document text
  • http://cathyourhair.nl/js/ckfinder/userfiles/files/45274065342.pdfIn PDF document text
  • https://ngusacdon.com/upload/files/58719724891.pdfIn PDF document text
  • http://tfforming.ru/d/files/riwebiveno.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/fg2776stuko2f9pmff8qb49m9m/nerolitajanuwuponurinomon.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/j356m18toge0n368bg7qaieqf2/91642156180.pdfIn PDF document text
  • https://turdv.ru/SITE/files/editor/file/xugam.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/6cp3ikh23op8mn8oqi1ni56mg1/wiwumogesexafufunaxupip.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/ht396278bmdvg6vgh8ast8qvn5/74619299233.pdfIn PDF document text
  • http://soupworld.de/upload/file/vasutizumikapomenoluvebem.pdfIn PDF document text
  • http://selfmadefilms.nl/userfiles/files/13843589041.pdfIn PDF document text
  • http://otelm4b.ru/admin/ckfinder/userfiles/files/33140903830.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=2005+camry+le+manualPDF 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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