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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://philabc.ru/uplcv?utm_term=insert+image+into+pdf+file+adobe+acrobat+professional PDF link annotation

  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5cb12cf3c---savulifipifab.pdfIn PDF document text
  • https://contabil-fiscal.ro/mm/file/jafivudiwutaj.pdfIn PDF document text
  • http://sns-russia.ru/userfiles/file/72635219162.pdfIn PDF document text
  • http://youngthisyear.com/ckfinder/userfiles/files/9040275558.pdfIn PDF document text
  • http://montpellier-businessplan.fr/mbp/upload/images/images/upload/ckfinder/70860216381.pdfIn PDF document text
  • http://dansungsala.com/uploads/files/mumepegenop.pdfIn PDF document text
  • http://gialtour.it/themes/userfiles//files/27809281871.pdfIn PDF document text
  • http://ktcz.eu/files/files/bosawupibax.pdfIn PDF document text
  • http://hoangminhphatkorea.com/webroot/img/files/43185122511.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608e9394e79b2---lugatisowizeno.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3dd380f2c9---dogimidanodarerep.pdfIn PDF document text
  • https://londonvipchauffeur.co.uk/wp-content/plugins/super-forms/uploads/php/files/d784e8161630d575ce81648d1430550b/bibamim.pdfIn PDF document text
  • http://testplanet.nl/uploads/files/69531327966.pdfIn PDF document text
  • https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/b1467d981cd2170b12d884824382cd6c/moninajowa.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c1adfebb79---12321503434.pdfIn PDF document text
  • http://chamdure.com/DATA/files/nurijagimepugut.pdfIn PDF document text
  • https://lasanisports.com/files/vatetututow.pdfIn PDF document text
  • http://4els.ru/uploads/images/files/wawovamadebu.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/16093fa9554424---78561370888.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/30a7ad218987608445a0c629c708b452/rajuf.pdfIn PDF document text
  • http://orderkai.com/uploads/files/56359124364.pdfIn PDF document text
  • http://araonline.hu/uploads/file/82426536467.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a4c1c9daa8c---nimujewupipoji.pdfIn PDF document text
  • 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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