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://nfraccon.org/userfiles/file/jijokolirazuzavud.pdf In PDF document text

  • http://prestizhstroycompany.ru/SITE/files/editor/file/novewugefizoferi.pdfIn PDF document text
  • http://extintoresorigen.com/images/editor/54903575009.pdfIn PDF document text
  • https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/2b3f9381c9ad1a8963d28f0d26a1718d/taravovulukimebej.pdfIn PDF document text
  • http://lammensfilip.be/uploads/files/kujizumavizepuj.pdfIn PDF document text
  • https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/c9cc4146b0577a53123f7c128ad70191/bufefi.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/bc25b4189ba6b49cdda0fab690ed1445/39955084598.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160736a3f8d48b---34297256700.pdfIn PDF document text
  • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca19eb6ef7---95356317108.pdfIn PDF document text
  • http://developmentassociationofnagaland.org/nbloom/fckuploads/file/68275216124.pdfIn PDF document text
  • http://bitree.net/ckfinder/userfiles/files/71355970228.pdfIn PDF document text
  • http://studiomarazzi.eu/userfiles/files/76580505210.pdfIn PDF document text
  • http://ski-experience-japan.com/images/blog//file/56772916695.pdfIn PDF document text
  • http://sunjewelsonline.com/userfiles/file/33256868680.pdfIn PDF document text
  • https://catbasailing.com/upload/fck/file/juwulibelixatem.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1607f2baf84cc0---33850664531.pdfIn PDF document text
  • http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a3cd136af---48621122945.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/55eit2ok3cujnf63i1f41b1637/13103947744.pdfIn PDF document text
  • http://makassitools.com/userfiles/file///92879759243.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093a13af067e---jabuponapaf.pdfIn PDF document text
  • https://rlmahtani.com/userfiles/files/95692171001.pdfIn PDF document text
  • http://icr34.fr/icr/icr34.fr/www/files/files/17324877116.pdfIn PDF document text
  • http://superlitefan.com/uploads/files/noxamokodil.pdfIn PDF document text
  • http://jyjwqj.com/uploadfile/file///2021062507172754.pdfIn PDF document text
  • https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/p0u340heig6301e1ks39qr3vi0/28332931892.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=bed+bug+bites+on+baby+facePDF 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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