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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://krisoc.ru/uplcv?utm_term=how+do+i+transfer+my+pictures+from+android+to+iphone PDF link annotation

  • http://cherryontop.pl/upload/fotki/file/nunarabomimaxewebotofi.pdfIn PDF document text
  • http://gvs-russia.ru/admin/ckfinder/userfiles/files/bojeboramuzikukufunikovim.pdfIn PDF document text
  • http://fernandopelosini.it/userfiles/files/lanunuwilalibalisor.pdfIn PDF document text
  • https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/78406667207.pdfIn PDF document text
  • https://coopinproject.eu/ckfinder/userfiles/files/81010923811.pdfIn PDF document text
  • https://299-45.com/CKEdit/upload/files/lopawezurokumizajoz.pdfIn PDF document text
  • http://dpsnowodworze.pl/userfiles/file/3517992291.pdfIn PDF document text
  • http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/72134783513.pdfIn PDF document text
  • http://imapbook.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/woririfijigimipulo.pdfIn PDF document text
  • http://eugensa.lt/app/webroot/uploads/userfiles/files/35622365355.pdfIn PDF document text
  • http://www.pavimentosyreformasferlu.es/ckfinder/userfiles/files/wodesutopurapivaxawifapi.pdfIn PDF document text
  • https://kindeeyudee.com/ck_files/files/dimipu.pdfIn PDF document text
  • http://abwbaltimore.com/uploads/files/35524921.pdfIn PDF document text
  • http://klusjesindex.nl/images/uploads/vevunomojes.pdfIn PDF document text
  • http://taispacedesign.com/upload/files/13604717384.pdfIn PDF document text
  • https://bdblue.com/ckfinder/userfiles/files/97330398054.pdfIn PDF document text
  • http://colegiosantarosa.com/uploads/imagem/file/rexuzimaf.pdfIn PDF document text
  • https://pracowniatechart.pl/fckpliki/file/fefogukuvoza.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/161419b2107b2b---6462586362.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/a6a2f632265c256ec00061bb0afa9907/vujakorajewopuzivijeb.pdfIn PDF document text
  • http://bright-inter.com/file_media/file_image/file/kezajifif.pdfIn PDF document text
  • http://avesta-hmora.boj.se/uploads/userfiles/files/duwowiladis.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/i90avdue27cslitd9u9rlju9v3/musimisu.pdfIn PDF document text
  • http://ciarajewellery.com/editor_upload/file/16544392056.pdfIn PDF document text
  • https://ecodiagnost.com/ckfinder/userfiles/files/tokene.pdfIn PDF document text
  • http://handsonmontessoripk.com/userfiles/files/80850246199.pdfIn PDF document text
  • https://sjamsul-hidajat.id/ck_uploads/uploads/files/sekarofamusilagavogik.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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