Malicious PDF — malware analysis report

Heuristics 6

• 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 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://queure.ru/uplcv?utm_term=medizin+englisch+deutsch+w%C3%B6rterbuch+pdf PDF link annotation

  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c0b5b8a99f8---foboxabaguroji.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160f7d9af23f60---67685381571.pdfIn PDF document text
  • https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/bf4a461b66943736ecbc9195f7ef2b3a/pawawa.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa66028193b---38051316579.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e522c4a680---rugonenupatufelule.pdfIn PDF document text
  • https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/83b810842f77e4d865f9ef46a0af531d/mapidujuziweketivobalibe.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc6429382a---97921580233.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/dbe63841294cb7beaac9d30efdd6f3d0/48203028285.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083797f9c32f---97083533326.pdfIn PDF document text
  • https://www.peltonfell.org.uk/ckfinder/userfiles/files/zovojobunetilitesuzabo.pdfIn PDF document text
  • http://ladue69.com/clients/876446/File/81147795240.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608482f4f1e99---gimusenijasenu.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ab3ae6aa1f8---22868882809.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fab8255b81---58392553801.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16085ca8d9454b---rumaweg.pdfIn PDF document text
  • http://pinzimoniofiumicino.eu/userfiles/files/85011585176.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0cadf46f3d---xuxolujegadalilodub.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c932bae315a---nezodid.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/97708ec1e0cd244cc17f12412246173c/36764942167.pdfIn PDF document text
  • http://apsons.eu/files/file/24929496926.pdfIn PDF document text
  • http://centralcogtc.com/uploads/file/zalaxev.pdfIn PDF document text
  • http://duythuc-bearing.vn/uploads/userfiles/file/41612315843.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ba7f418ec6b---97291458731.pdfIn PDF document text
  • http://anpo.vn/upload/files/10244678513.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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