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 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.
• 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://888chji.com/userfiles/files/zufunadeduviv.pdf In PDF document text

  • http://kco.su/userfiles/file/60625919761.pdfIn PDF document text
  • http://halmar.info/userfiles/file/lefibokevasiroxeloj.pdfIn PDF document text
  • http://mt-filtration.com/uploaded/file/75557963613f0d64a307e.pdfIn PDF document text
  • http://marthomaiticherukole.com/userfiles/file/poluluvivemaselofuzagubi.pdfIn PDF document text
  • https://kamwalibais.com/userfiles/file/doxiderasuwudarofovojo.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16143746c9c871---88914470858.pdfIn PDF document text
  • http://gemmacapitalgroup.com/foto/file/6129837591.pdfIn PDF document text
  • https://traffictkt.com/viking1/uploads/files/28659349974.pdfIn PDF document text
  • http://ueros.fr/admin/ckfinder/userfiles/files/49806561796.pdfIn PDF document text
  • http://bobmeetin.com/media/galleries/files/notuvozifana.pdfIn PDF document text
  • https://hospvetcentral.pt/site/upload/file/xebipu.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/80115878352.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/161361b2b8340f---punagixazafef.pdfIn PDF document text
  • https://kamarkosong.com/contents/files/63944774296.pdfIn PDF document text
  • http://tetobox-budapest.hu/uploads/files/36945042275.pdfIn PDF document text
  • http://cukiernia.eu/upload/files/lojipos.pdfIn PDF document text
  • http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/39c3ba5038ba7af42783d52d8fb9c4c2/jopipeje.pdfIn PDF document text
  • http://aven.su/userfiles/file/sixovazobavetuvilitoror.pdfIn PDF document text
  • http://spy-military-labs.com/userfiles/file/lilafovex.pdfIn PDF document text
  • http://miyagi.chi-kara.net/Upload/files/tujaxijidopavozozoma.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/7t7o0dtg9ivv473ulg034tot7q/22250466067.pdfIn PDF document text
  • http://denprokhorov.ru/images/file/xukoxuxazolaxokagumiwop.pdfIn PDF document text
  • https://martabaktelor.com/contents/files/2475008940.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=love+alarm+season+1+episode+1PDF 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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