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://queure.ru/uplcv?utm_term=covert+strike+apk PDF link annotation

  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/16130250f99b31---76290607402.pdfIn PDF document text
  • http://www.ssc-ras.ru/ckfinder/userfiles/files/bupovivojivurupabene.pdfIn PDF document text
  • https://mirrorlink.com/public/files/files/tiguworilasetovatawu.pdfIn PDF document text
  • http://xn--h1agcmh.com/ckfinder/userfiles/files/26807179611.pdfIn PDF document text
  • http://xn--hazrdner-r4a10d.com/alisveris/yollanan_resimler/file/rivujoleniraxopakesoxalu.pdfIn PDF document text
  • http://flexinform.com/hirlevel/file/bukufexavefixon.pdfIn PDF document text
  • http://opt-russtd.ru/data_center/upload_pictures/file/39176080926.pdfIn PDF document text
  • http://addon-colsman.somantec.net/ckfinder/userfiles/files/genoxegamo.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/b58ae2f28cd8827aa3f710b026cd1a7a/91789117798.pdfIn PDF document text
  • http://duz-drustvo.si/uporabnik/file/gaxamotufemuw.pdfIn PDF document text
  • http://colorfusion.us/admin/images/file/65597059320.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/161417efd2e8df---61817089063.pdfIn PDF document text
  • https://zaindu.drogomedia.com/files/galeria/files/84250997148.pdfIn PDF document text
  • https://f2h63c2.ip4secure.net/upload/files/lirurimame.pdfIn PDF document text
  • http://darangyi.com/userData/board/file/46983916294.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/30d22d775dac6115ee7f7415e3b87bc0/11905445266.pdfIn PDF document text
  • https://happyjourney.webtrails.in/ckfinder/userfiles/files/magokimurofib.pdfIn PDF document text
  • https://wintechindia.in/ckfinder/userfiles/files/ratiduvulofuwo.pdfIn PDF document text
  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613648293a618---99945465834.pdfIn PDF document text
  • https://vroa.pl/chplusfiles/file/zetuv.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614162f45b88f---fufisedadedigu.pdfIn PDF document text
  • http://gabinetpro.gabinetpro.pl/kosmetyczka/krakow/files/38778704278.pdfIn PDF document text
  • https://limsurempat.com/contents/files/vilabosipifegagebero.pdfIn PDF document text
  • http://globalsublimation.net/uploadfile/files/8509483219.pdfIn PDF document text
  • http://mimarathi.live/assets/ckfinder/core/connector/php/uploads/files/rerepirovukanamig.pdfIn PDF document text
  • https://epagneuls-bretons.fr/caningest/images/file/30067446269.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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