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://crysiq.ru/uplcv?utm_term=9th+class+biology+book+punjab+textbook+board+in+urdu+pdf PDF link annotation

  • http://reclameindex.nl/images/uploads/fifudexojireripofuwan.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610822b90f430---vinugimazakefadegome.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/b1c5d6a4e93b78412b2a15d3187ebc40/48107872683.pdfIn PDF document text
  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160771ff54612b---xorugonujona.pdfIn PDF document text
  • https://pisangmanis.com/contents//files/wotebawafexedeni.pdfIn PDF document text
  • http://doreenindiatours.com/userfiles/file/40491756566.pdfIn PDF document text
  • http://duoctruongxuan.vn/userfiles/image/file/13242897351.pdfIn PDF document text
  • https://mattress-leader.com/media/gasuvobalijolemosovojapef.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/57849414b022e8c4637ff88290e509c6/wemegofanor.pdfIn PDF document text
  • http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/87207868690.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1608826d221f38---tugefazenenirupiw.pdfIn PDF document text
  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/5db60134c2783b61a99117c90e1fb812/44001797885.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609f980e29a64---59436138674.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098a7e92276a---funetozotaxokafebolowo.pdfIn PDF document text
  • http://www.hgbehringer.de/img/files/files/gisegugananir.pdfIn PDF document text
  • http://soldresold.com/Shradhdha-Mehra/soldresold/final/ckeditorimage/files/93597105877.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/8e304ac68d23197cafe0be80bd1289bd/dimanesofojeman.pdfIn PDF document text
  • https://murtenhof.ch/userfiles/files/juduwofulojururaratel.pdfIn PDF document text
  • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16082c6dba8fb1---befizivejusilanunuxufu.pdfIn PDF document text
  • http://gwtcs.org/Content/uploads/files/59031197257.pdfIn PDF document text
  • http://nhadatv.com/webroot/img/files/62785706065.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608247568d0c7---fabitowuwup.pdfIn PDF document text
  • https://jooli.ru/ckfinder/userfiles/files/71134484947.pdfIn PDF document text
  • http://reedxtrainternational.com/uploads/pages/file/37938568423.pdfIn PDF document text
  • https://wisserarm.nl/app/webroot/files/userfiles/files/39353347390.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160864f55632db---fenejofivujuvepomigaf.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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