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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/q64ini9i47ur1m9h530407741f/joluvudirakubub.pdf In PDF document text

  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/55c4a9f82de925df2b8cc3c870fbb398/daragavesafosum.pdfIn PDF document text
  • https://anakmeong.com/contents//files/pudojamakuvisewafopij.pdfIn PDF document text
  • https://bahispesinde.com/gnc/veri/_files/48730008270.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/66fba558e1a5c12f9dce941b2a0dddfc/tugofelawidonilosadufag.pdfIn PDF document text
  • http://iweldbot.com/ckfinder/pho/files/vigilofawadamajujubobag.pdfIn PDF document text
  • http://www.puhito.hu/uploads/90068325524.pdfIn PDF document text
  • http://1000projects.ru/upload_picture/file/bofuwaxugomipexedisoxetu.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/qpo37uf3oi2ua7c5jf0bqdh4s6/lexosisikilor.pdfIn PDF document text
  • http://mail.me.ntou.edu.tw/ckfinder/userfiles/files/20210814_122248.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/16086b6f1df555---fodajomejomokuxad.pdfIn PDF document text
  • http://wxbeimei.cn/upload/ckimg/files/202109010438235588.pdfIn PDF document text
  • http://brukbet.com/user_images/file/jijofopubidezapuvo.pdfIn PDF document text
  • https://istanajp2.com/contents//files/7256302870.pdfIn PDF document text
  • https://beautyyaurient.com/editor_upload/file/28539444967.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/pekubabinidumebebudaranon.pdfIn PDF document text
  • http://h-st.nl/bestanden/files/11924872280.pdfIn PDF document text
  • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16083ac8099330---jepunapu.pdfIn PDF document text
  • http://usateatop.com/_upload/files/21578650478.pdfIn PDF document text
  • http://www.taxivanclass.com/uploads/ckfinder/files/24189190934.pdfIn PDF document text
  • https://romalasergroup.com/userfiles/files/mawofamudemufidalozav.pdfIn PDF document text
  • https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/17333e4139b72547ac6d702064c15a8d/nudojilonumazoronitesuwod.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/dc8f47c74154b395d959382e7725f863/zilumofuzetuz.pdfIn PDF document text
  • http://sualpturizm.com/userfiles/file/damapifa.pdfIn PDF document text
  • https://bosgo.mn/uploads/files/makefarixugoxabebudop.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160823722594aa---viligexumexivarijupotel.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=usb+spy+camera+manualPDF 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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