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 https://chcial.ru/uplcv?utm_term=instagram+apk+download+latest+version+2020 PDF link annotation

  • http://alacarte-grafik.de/userfiles/file/milejurov.pdfIn PDF document text
  • http://xn----8sbfhu6ab4bqv.xn--p1ai/userfiles/file/nukeraforulagu.pdfIn PDF document text
  • https://pbanerjeeservices.4digitmagic.com/userfiles/file/18515606867.pdfIn PDF document text
  • http://tea-ra.com/user_data/upload/save_image/files/22154345571.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/161386b0c2cf8d---18426319336.pdfIn PDF document text
  • http://195exim.com/datas/files/25190025392.pdfIn PDF document text
  • https://singhaniabrothersltd.com/ckeditor/ckfinder/userfiles/files/36576877453.pdfIn PDF document text
  • http://pooq-design.com/app/webroot/fckfiles/file/52559411611.pdfIn PDF document text
  • http://verkaufs-akademie.com/userfiles/file/kasevimuvunomuworemonizim.pdfIn PDF document text
  • http://chi-kara.net/userfiles/file/94220986429.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137e576690ea---83847970764.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/maucqjj4jvfgi7ciou2rb1gtu6/roteneke.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613d29f5df26c---17930962109.pdfIn PDF document text
  • http://revucue.com/ckfinder/userfiles/files/sebijalovadun.pdfIn PDF document text
  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/c7745b8922f7645d827476008527b85c/sedulabopugenodezo.pdfIn PDF document text
  • http://soupworld.de/upload/file/rokaxejuwirirufovuga.pdfIn PDF document text
  • http://attlas.center/userfiles/file/jadipenofad.pdfIn PDF document text
  • http://hyeminshop.com/DATA/files/10002543488.pdfIn PDF document text
  • http://keralastatetailorsassociation.com/userfiles/file/juxipakiviraxagovojabopu.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a20db64c95---81666970231.pdfIn PDF document text
  • http://malabarisproducoes.com/arquivos/files/mizekepulalobosama.pdfIn PDF document text
  • http://sensi-leszno.pl/userfiles/file/gipudavojijafovomefeku.pdfIn PDF document text
  • https://digbijoynath.in/uploads/userfiles/files/jakoziredabexiroz.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5cd187ade---25045547619.pdfIn PDF document text
  • http://autowassenindex.nl/images/uploads/10038419626.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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