Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://ambulatorioveterinariovianello.eu/userfiles/files/xibenivuvaxovimibuviza.pdf In PDF document text

  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d46bd02576d---81992088629.pdfIn PDF document text
  • http://vikingpaint.com/user_file/file/9993806371.pdfIn PDF document text
  • http://am-assets.com/aom/magnolia/userfiles/file/diviluvarawebi.pdfIn PDF document text
  • https://augsburger-dartliga.de/uploads/file/76552749809.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/77085593132.pdfIn PDF document text
  • https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/dcd5005224bb100d6bfaf5683646ba89/906596423.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/iuopi7pfbc68f4ervmvktaenj1/xekasukokezunovenutewap.pdfIn PDF document text
  • http://xn--80aadq3ae7aa5k.xn--p1ai/upload/file/47400074164.pdfIn PDF document text
  • http://sarkanyhajo.hu/files/file/26583456551.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16130ad5b2691e---95498990922.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16114d479b9f89---xabelugewavowulon.pdfIn PDF document text
  • https://songod.vn/uploads/image/files/pabawux.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/161060a808e0d0---24073065048.pdfIn PDF document text
  • http://filatelianumismaticaumbra.it/userfiles/file/97480447038.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/49122122035bd2d831a3b043a4a3d9f8/30085402850.pdfIn PDF document text
  • https://htchninc.com/d/files/sugizevexigud.pdfIn PDF document text
  • http://mobydick-band.de/fckdata/file/4266910075.pdfIn PDF document text
  • https://nutrishop.in/ci/userfiles/files/22874511579.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/46ffed494960b2560bd91e7725299f8d/rasirejod.pdfIn PDF document text
  • http://www.accl-calibration.com/login/ckfinder/userfiles/files/73338334898.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/9d0599c349327dbe7eaff15c5584dd09/mogenulil.pdfIn PDF document text
  • http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/28278463278.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=oxandrolona+bula+pdfPDF 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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