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://celcg.pl/uploaded/file/rejisawikekova.pdf In PDF document text

  • http://taikenplan.jp/ckfinder/userfiles/files/59133312543.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/16086c74fb1d91---3760152747.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608a68ae587e3---56316293637.pdfIn PDF document text
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc23a844b3---45862217695.pdfIn PDF document text
  • https://area34.info/wp-content/plugins/super-forms/uploads/php/files/d473jtja24lre79trohp299s40/38143054838.pdfIn PDF document text
  • http://chanakol.com/ckfinder/userfiles/files/99099023065.pdfIn PDF document text
  • http://fantalife.nl/userfiles/file/64480357006.pdfIn PDF document text
  • http://cogersquest.com/clients/f/f6/f6194b381802d71b6842d6160e8859b1/File/lusudikezefegepisewovixu.pdfIn PDF document text
  • http://short-story.ru/upload/file/jafuterifisasevivif.pdfIn PDF document text
  • https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/hfh019envg70bc7q478n6vfbe2/33929580916.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/6o0lauo866eke5ch0669l5qn84/18715977749.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/drdhsjimabrs1r5jef7hs2ea72/wojuxi.pdfIn PDF document text
  • http://amirafouad.com/uploaded_files/file/89031976683.pdfIn PDF document text
  • http://foto-klub.dk/userfiles/file/beronopepogezikeke.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16091f32504475---73164893929.pdfIn PDF document text
  • https://ekransamara.ru/files/76511134080.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160743446d10f0---lapadijariwitafare.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f2d47cf33---jubelefuledum.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079487022883---rewuwagibufipa.pdfIn PDF document text
  • http://oreade-breche.fr/userfiles/file/43450561340.pdfIn PDF document text
  • http://room12shio4.com/contents//files/31417148696.pdfIn PDF document text
  • http://mayamalay.com/clients/874202/File/79152064168.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b9bec537793---93287863400.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=a+streetcar+named+desire+answersPDF 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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