Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Security software disable instruction high SE_SECURITY_BYPASS
  Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160a9718093d51---38942698227.pdf In PDF document text

  • http://aitrans.cn/UploadFile/file/F1202106270855353957.pdfIn PDF document text
  • http://tipiland.net/upload/file/42568448902.pdfIn PDF document text
  • http://fatamorgana.fr/uploads/assets/file/siwagasipor.pdfIn PDF document text
  • https://amursvoidom.ru/media/files/6302469696.pdfIn PDF document text
  • http://edelstar-mos.ru/files/rapuxilalonomasivavetufo.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c341294b542---dananawovaxuj.pdfIn PDF document text
  • https://shindah.com/images/ckeditor_img/files/44669028439.pdfIn PDF document text
  • http://asbu.net/uploads/FCK_files/file/73235406576.pdfIn PDF document text
  • http://christopherspubandgrille.com/userfiles/files/67115673269.pdfIn PDF document text
  • https://alasclub.gr/neuro/ckfinder/userfiles/files/fumimuletoxotabewa.pdfIn PDF document text
  • https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16087c5403f306---67529430773.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160861f11e261a---54294329375.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160d070ffb98be---49124347358.pdfIn PDF document text
  • http://fipjp.com/userfiles/file/nekin.pdfIn PDF document text
  • https://tdfstore.it/file/jenowemeg.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b27bf145b4f---zejabosutuvafirirud.pdfIn PDF document text
  • http://carriewoodfamily.com/clients/5/5b/5b9f2fb360c4065436fb7fe1267c3612/File/nijuzutivexiv.pdfIn PDF document text
  • https://kede.org/userfiles/file/fenako.pdfIn PDF document text
  • http://dtcguild.org/clients/80367/File/lizazexixasujoramoti.pdfIn PDF document text
  • http://commune-bourre.com/userfiles/file/jibejej.pdfIn PDF document text
  • http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/93135794928.pdfIn PDF document text
  • http://hanhthien.net/uploads/file/joxafenon.pdfIn PDF document text
  • https://decoveinvestment.com/userfiles/file/totasagefudajenuj.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bf8da8512c4---lulokugirof.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=call+duty+black+ops+2+torrentPDF 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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