Malicious PDF — malware analysis report

Heuristics 7

• 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 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://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/4aedf4dc862187bb97f062dcec710d39/wodisajitu.pdf In PDF document text

  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b0c2628f52---nuxivedilinemijasekumu.pdfIn PDF document text
  • https://tripleccompanies.com/wp-content/plugins/super-forms/uploads/php/files/1ca4418979b47a7cf24b96163af41b71/sefijapejur.pdfIn PDF document text
  • https://celebicatering.com/upload/ckfinder/files/18947454876.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd18a7262e---vivir.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c1f5ff73323---nesixi.pdfIn PDF document text
  • https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/oena7159f730g2iajlmfg4k09j/filulujazerufofotup.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/3ef394cntr2sjb4j9pink3c1rb/gutolekopozibibebagaz.pdfIn PDF document text
  • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16080e516a765a---vajotugavekife.pdfIn PDF document text
  • https://chameleoncoupons.com/adgprocessing/uploads/files/20070109663.pdfIn PDF document text
  • http://akgikorea.com/file_upload/fck_upfile/file/48360237110.pdfIn PDF document text
  • http://diysmart.net/userfiles/file/pamivilu.pdfIn PDF document text
  • https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/3d0015b7858bc7338897b45afaf0ea7e/wolanekalakitisuvam.pdfIn PDF document text
  • http://xtra360.net/campannas/file/bakometekakuvamuwe.pdfIn PDF document text
  • http://texasstatealphaxialumnae.com/clients/f/fe/fe72632f573fdc77cca6b85875c63e8a/File/31198933286.pdfIn PDF document text
  • http://nano-vip.com/ckfinder/userfiles/files/38962692244.pdfIn PDF document text
  • https://hosvagyok.hu/userfiles/file/menekipekavelifoporowu.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/10b0a72f66e86a0100ee028f4f5c4cbc/97167683008.pdfIn PDF document text
  • https://micast.de/wp-content/plugins/super-forms/uploads/php/files/phbuulpc0hdepodh2ecqg4rbg1/mekuzololaxevatasubo.pdfIn PDF document text
  • http://developmentassociationofnagaland.org/nbloom/fckuploads/file/fuzos.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160805b1b103aa---vavusenojuvumar.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/01115959463.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a0ee954e9c1---37212688076.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=elevator+installers+and+repairers+apprenticeshipPDF 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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