Malicious PDF — malware analysis report

Heuristics 6

• 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 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 https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/nvbjnshtjfpv3iv2lguauo1v2c/jiseguledopapusuxov.pdf In PDF document text

  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c51f8d8b0db---41002551216.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/lni9ntu1oqhu99tuf172ke084b/88065501969.pdfIn PDF document text
  • https://nsck-cykelmotion.dk/userfiles/file/sumitamuzomukuvupe.pdfIn PDF document text
  • http://melly-incendie.fr/img_db/92606239929.pdfIn PDF document text
  • https://huuphongplastic.vn/uploads/images/files/kidazafobewavudadune.pdfIn PDF document text
  • http://hurtmar.pl/Upload/file/40278618472.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607508931838e---mimozugader.pdfIn PDF document text
  • http://needychild.org/ckfinder/userfiles/files/pifoge.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bd9ee46edc7---salabodaxupowenup.pdfIn PDF document text
  • http://pnktools-th.org/ckfinder/userfiles/files/88988456656.pdfIn PDF document text
  • http://acmemask.com/upfiles/editor/files/6700802360.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/o4nder0bf94i0sb4ilkg98mt95/90985230922.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/unbncdsbo22iu4s37m2otrpk81/84286335076.pdfIn PDF document text
  • https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca8f639149---20081673470.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3486a35636---wolopaxusizof.pdfIn PDF document text
  • http://ginzaoakland.com/uploads/files/75521820519.pdfIn PDF document text
  • https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/779e6f2812fae77055db8c3e8011e325/nifebolenavenataxatikapal.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb1b61718e1---jopojefarovum.pdfIn PDF document text
  • http://pm-ural.com/uploads/files/38374888170.pdfIn PDF document text
  • https://swagath.co/new/ckfinder/userfiles/files/tijalunutosorisik.pdfIn PDF document text
  • http://gdbchurch.com/clients/43262/File/92653988654.pdfIn PDF document text
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/adf75b3de3f16a8d311f9042bebadd72/lidemumevazu.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddd9395e38a---biwutumedajarajuv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=safe+shop+products+new+price+list+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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