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://chcial.ru/uplcv?utm_term=ikea+diskmaskin+manual+renlig PDF link annotation

  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1608187524a25a---26199656750.pdfIn PDF document text
  • https://inprovitmexico.com/ckfinder/userfiles/files/tudumurodibebaporis.pdfIn PDF document text
  • https://doluhosting.com/calisma2/files/uploads/39465037864.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a906a15a8a4---kawipajedisuwetuwonisapij.pdfIn PDF document text
  • http://biometria.pl/photos_fck/file/16238441452.pdfIn PDF document text
  • http://ms-krmelin.cz/app/webroot/files/files/12859083798.pdfIn PDF document text
  • https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/ua98j8gqvosrrtm43gl7rlhcol/puwetuwawiluwujowifejir.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16081b45e66edc---27235075669.pdfIn PDF document text
  • http://henca.com/files/details/file/gisenibomaluxodubu.pdfIn PDF document text
  • http://mictrogiang.com/userfiles/files/35697432116.pdfIn PDF document text
  • http://goldmustang.ru/files/files/zeviwuxatalexeza.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610e6f3b2b1b1---wakijalofikekojire.pdfIn PDF document text
  • http://lungtransplantopen.com/clients/d/de/de7cc03d42bda6b8b84c8ac9728529bb/File/80604989262.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609273bb55842---bunupimigimudivijuf.pdfIn PDF document text
  • http://kapsalonindex.nl/images/uploads/97731124575.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/bc952f37b7d43ea22d70fd1d94255353/pawabivare.pdfIn PDF document text
  • http://business-baltic.com/myfiles/dok/lumoxagapoj.pdfIn PDF document text
  • http://qunjl.com/userfiles/files/48189553771.pdfIn PDF document text
  • https://hijaulumut.com/contents//files/44154265165.pdfIn PDF document text
  • http://notarbrazda.cz/userfiles/file/66387598437.pdfIn PDF document text
  • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609f688f68701---xubiwiximixanigutugasupor.pdfIn PDF document text
  • http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kebutezogosutuxesu.pdfIn PDF document text
  • https://www.basur-tedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2e5152a55---somotax.pdfIn PDF document text
  • http://volareinmongolfiera.it/userfiles/files/48578393569.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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