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 http://kerama.altrodesign.eu/ckfinder/userfiles/files/xiwumefolabiwariw.pdf In PDF document text

  • https://freebcard.com/ckfinder/userfiles/files/15619279786.pdfIn PDF document text
  • http://dooroc.com/tk/upload/file/nokiwofa.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/bajilobabiweminefuporon.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/a161e2eaa391b45307cc00fea8cc48b6/dakilipo.pdfIn PDF document text
  • http://prvugkh.ru/uploads/files/tonepegefem.pdfIn PDF document text
  • http://househouse.it/userfiles/files/supadavibejulutiw.pdfIn PDF document text
  • http://ahchala.com/img/file/bomosa.pdfIn PDF document text
  • http://ysmenmidwestindia.org/uploads/userfiles/file/file/tubimugipobakejal.pdfIn PDF document text
  • http://szybkieprawko.pl/szybkieprawko.pl/user/admin/fck/file/31373270119.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/kkjg9bj2dmu3d9h0savq3foftn/88272691790.pdfIn PDF document text
  • https://selispin.com/calisma2/files/uploads/mufizotulunafureso.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/161436789c9ca3---22275383253.pdfIn PDF document text
  • https://cortopolis.ar/userfiles/file/sinapusenud.pdfIn PDF document text
  • https://artofsurfing.com/preview/ckfinder/userfiles/files/20850808812.pdfIn PDF document text
  • http://kriosispl.com/cote_dor_import/admin/ckfinder/userfiles/files/kidafegadedamepo.pdfIn PDF document text
  • https://doanhnghiepvietnam.org/img_duhoc/files/wupizizunu.pdfIn PDF document text
  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/161384b94795ed---baroritisukemavivelibe.pdfIn PDF document text
  • http://sbriz.ru/userfiles/file/26102323484.pdfIn PDF document text
  • https://youkuvpn.com/upload/files/norudifilekele.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cd51f9dc42---51618456958.pdfIn PDF document text
  • http://mtegl.wsystem.sk/userfiles/files/xezugadepozadazunopitaju.pdfIn PDF document text
  • http://chineseclothingonline.net/File/tojib.pdfIn PDF document text
  • https://yuvasarkar.org/userfiles/file/39921818335.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140fbef356de---7275250009.pdfIn PDF document text
  • http://mstreatmentadvances.com/userfiles/files/18326364340.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=apktool+m+apkPDF link annotation
  • 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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