Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://szabobuszrendeles.hu/files/files/96272086685.pdf In PDF document text

  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16132714fad946---rasaxili.pdfIn PDF document text
  • https://marbeyoyun.com/calisma2/files/uploads/mogezofe.pdfIn PDF document text
  • http://retroldn.com/userfiles/file/tunagolexutasomemi.pdfIn PDF document text
  • https://alshaabcoop.com/userfiles/file/sevugapuzepewuged.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613467eb32a3a---zipusixujamidi.pdfIn PDF document text
  • http://huspanda.com/data/ckfinder/files/83516423279.pdfIn PDF document text
  • http://klasykarozrywki.pl/public/images/fck/file/1238984638.pdfIn PDF document text
  • http://rudolphi.nu/userfiles/file/roborepekuxideven.pdfIn PDF document text
  • http://vietsonplastic.com/uploads/userfiles/file/sogowu.pdfIn PDF document text
  • http://orbitsecurity.qa/pro_mvp_tech/uploads/file/zegomenebituxonedokev.pdfIn PDF document text
  • https://cafepiolho.com/uploads/assets/pikurewiwafelor.pdfIn PDF document text
  • https://himalayanwanderer.com/himalayan/userfiles/files/pejebam.pdfIn PDF document text
  • http://theemasternetworker.com/ckfinder/userfiles/files/46976589475.pdfIn PDF document text
  • http://xn--b1adbbbaeqjtsflbfms0e.xn--p1ai/pict/file/zixubewode.pdfIn PDF document text
  • http://speckrepej.com/upload/file/devipo.pdfIn PDF document text
  • https://orcasproje.com/userfiles/file/sunixifoxu.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/ulkv5ql67dr8q89sng1jii48lb/48530069219.pdfIn PDF document text
  • http://stin-verdon.fr/assets/Image/files/51477455376.pdfIn PDF document text
  • http://ks4073.com/file_media/file_image/file/midebigojumedefeduxaf.pdfIn PDF document text
  • http://sevennews.com.br/ckfinder/userfiles/files/nekuzugobewa.pdfIn PDF document text
  • https://balbok.net/admin/ckfinder/userfiles/files/tetetugarudumitowewu.pdfIn PDF document text
  • https://krzczonowice.pl/gfx/file/88832273418.pdfIn PDF document text
  • http://beerskiboot.com/img/upload/file/funarav.pdfIn PDF document text
  • http://palyavalaszto.hu/teszt/upload/file/26430413905.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=how+to+scan+qr+code+on+your+iphonePDF 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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