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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://inwebjor.ru/uplcv?utm_term=mortal+kombat+9+apk+download+for+android PDF link annotation

  • http://synagoge-stommeln.de/ckfinder/userfiles/files/34798633824.pdfIn PDF document text
  • http://bowlingkillers.com/imgdb/files/49041484428.pdfIn PDF document text
  • http://zamokugrofa.sk/admin/fckeditor/file/luzozowagovuzawuzaz.pdfIn PDF document text
  • https://lederstuhlshop.de/ckfinder/userfiles/files/45752462759.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161354eaa4ac65---wagog.pdfIn PDF document text
  • http://sistarelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/79291547180.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c4d4b06109---mudofonipiwadumifo.pdfIn PDF document text
  • https://drrajanmahtani.com/userfiles/files/pudasotasokonudonudeje.pdfIn PDF document text
  • http://gshosnab.ru/userfiles/file/50328490.pdfIn PDF document text
  • http://www.slenderclub.cz/ckfinder/userfiles/files/75160306808.pdfIn PDF document text
  • http://myappartement.de/web/editor/files/18373643483.pdfIn PDF document text
  • http://kukdae.com/files/fckeditor/file/vosotofibuxaru.pdfIn PDF document text
  • https://academiapreprod.riportico.com/userfiles/files/21389716122.pdfIn PDF document text
  • http://tsutae-f.com/js/upload/files/97214654201.pdfIn PDF document text
  • http://mrtowing.ca/Lawyers/userfiles/file/82894013614.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16136018aa5034---52701704589.pdfIn PDF document text
  • https://alkoplast.rs/files/jewuxewojexadabin.pdfIn PDF document text
  • http://nikolalepojevic5.com/multimedia/file/xejixewixidusi.pdfIn PDF document text
  • https://esperanzadeavila.com/fotos/file/bowemudikekinirumatutal.pdfIn PDF document text
  • https://orangerun.re/photo/files/pexorubopotawigafaraku.pdfIn PDF document text
  • http://stuarteisbrucklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/44246813680.pdfIn PDF document text
  • https://smgbid.com/ckfinder_userfiles/files/jurojokujepunekola.pdfIn PDF document text
  • http://baharev76.ru/userfiles/file/1181440147.pdfIn PDF document text
  • http://mezon.jp/userfiles/file/67871411934.pdfIn PDF document text
  • http://mousike.it/img_ins/files/24927208852.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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