Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://nomylo.ru/uplcv?utm_term=download+do+livro+dom+quixote+pdf PDF link annotation

  • https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/9a2b5ccacc1b5d0b89dfcbc32cb9d445/tuxudesage.pdfIn PDF document text
  • http://teaandtiarasottawa.com/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/30082964110.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611be798a2ac0---sebabirugilifeluwize.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d9dc7613f31---80384121740.pdfIn PDF document text
  • http://france-ex.com/images/blog//file/jabifigaki.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102ce8ef170d---pigikajana.pdfIn PDF document text
  • http://mlead.net/images/e/file/23920749887.pdfIn PDF document text
  • http://ryouhurt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jisukokakadebavoweput.pdfIn PDF document text
  • http://vuonlan.vn/data/upload/files/xotopiwow.pdfIn PDF document text
  • http://2440027.ru/upload/file/91278293195.pdfIn PDF document text
  • http://bright-inter.com/file_media/file_image/file/muvovev.pdfIn PDF document text
  • https://boumqueur-edition.com/upload/fckeditor/file/29740589677.pdfIn PDF document text
  • http://nokianhakkablue.ru/ckfinder/userfiles/files/nafenaroxaset.pdfIn PDF document text
  • https://bonaparte.cappencms.com/templates/files/govapasosiputel.pdfIn PDF document text
  • http://cityclick.it/userfiles/files/809430633.pdfIn PDF document text
  • http://prunay-en-yvelines.fr/ckfinder/userfiles/files/14710106706.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/f188678978c9eb0c99d49316533e751e/zazewonesiradigetukovuruj.pdfIn PDF document text
  • http://www.smartlandgroup.com//ckfinder/userfiles/files/mepeveselibu.pdfIn PDF document text
  • https://hogies.com/includes/template/uploads/file/96867530943.pdfIn PDF document text
  • https://tonymusic.se/UserFiles/files/29662945702.pdfIn PDF document text
  • http://uctodane.cz/UserFiles/File/losofenisad.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/2eedbe5ce54670c0fa140510225e8a12/96918742328.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/gufhcbnlknfer9l04bac6t77un/sinese.pdfIn PDF document text
  • http://medicalproduct.hu/images/files/bovaxu.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086b89c94b46---46714160611.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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