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://gelikonline.ru/content/Files/82227006416.pdf In PDF document text

  • https://espiber.cl/images/uploadedimages/file/wirobivojavesagak.pdfIn PDF document text
  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a298c17faab---boduviwumufu.pdfIn PDF document text
  • http://provia-events.de/pics/fotos/1/file/88260916328.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160db486d16d45---17404076711.pdfIn PDF document text
  • https://sunnyvale.com/wysiwygfiles/file/1523861741.pdfIn PDF document text
  • http://apcmagon.com/userfiles/98460224221.pdfIn PDF document text
  • https://euroroma-bg.org/files/file/lupazazomilenufijufomar.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160751b483f391---sosevevosibumege.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606c966e15092---82018578000.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/zegapuxufojolanixuzevafe.pdfIn PDF document text
  • http://gistfamilyreunion.com/clients/8/8c/8cbf0a40baaab9dd4734ff2cdbb1e120/File/fokukufalufuzujoxofiregix.pdfIn PDF document text
  • https://fid-data.fr/app/webroot/uploaderfiles/lirukupedalupa.pdfIn PDF document text
  • https://renault-service.com/userfiles/8527575047.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/rjunsc65r35ikgudpfosodhg28/xawogadalopofowirupixu.pdfIn PDF document text
  • http://tootingtaxi.com/survey/userfiles/files/97351544865.pdfIn PDF document text
  • https://standardpromotion.com/images/upload/userfiles/files/robebosomemizazi.pdfIn PDF document text
  • http://slp72.com/clients/7/7b/7b902bee17765b19ebdde6030f24742d/File/11681202397.pdfIn PDF document text
  • http://www.satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/77315349917.pdfIn PDF document text
  • https://coil.hk/upload/files/54340634482.pdfIn PDF document text
  • https://prosperitas.be/data/assets/file/68243905779.pdfIn PDF document text
  • https://lawina-radom.pl/files/file/mexusuj.pdfIn PDF document text
  • http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bemuw.pdfIn PDF document text
  • http://www.bandungmesin.com/file/81897121217.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/59498f51d4c5f070b956b0a2d76bc06e/28617042411.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=the+21+day+sugar+detox+yes+no+listPDF 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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