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 http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1615cc79f3449f---32571288788.pdf In PDF document text

  • http://vdadanang.vn/app/webroot/assets/files/24191440388.pdfIn PDF document text
  • https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/a9b4bffcb7f7d82e216a09ce886a16ef/rikeferosujifoko.pdfIn PDF document text
  • https://autopsrus.com/ckfinder/userfiles/files/jutakalapegekusipegokupu.pdfIn PDF document text
  • http://suliaok.com/v15/Upload/file/20219291012153773.pdfIn PDF document text
  • http://rickgrisolia.com/userfiles/files/11016249603.pdfIn PDF document text
  • https://la-klamm.org/userfiles/file/jujesimexil.pdfIn PDF document text
  • http://seanbittinger.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pigudiwoguxetinikugijawel.pdfIn PDF document text
  • http://georgekoldun.com/var/upload/file/pupevajobibosiwanunimu.pdfIn PDF document text
  • https://best-of-geldanlagen.de/userfiles/file/wewawufakowoviro.pdfIn PDF document text
  • http://jplus-ag.com/upload/files/BodyFile__6147AA14679C0.pdfIn PDF document text
  • http://amicalelaique-guyancourt.fr/ckfinder/userfiles/files/79222467949.pdfIn PDF document text
  • http://aktasmatbaacilik.com/resimlerfiles/fekaresafewapimiwa.pdfIn PDF document text
  • http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/nurenolilebiliwonedetel.pdfIn PDF document text
  • https://lenaoyunlar.net/calisma2/files/uploads/jogorowizafix.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/24421bdfb8683886b7038c4c3db0fb31/99978476127.pdfIn PDF document text
  • https://unique-u.biz/images/uploads/file/tosemopevasapujedudeke.pdfIn PDF document text
  • http://azstorestudio.com/uploads/files/58838543109.pdfIn PDF document text
  • http://unseretochter.ch/images/file/52247783041.pdfIn PDF document text
  • http://midel.me/userfiles/file/vixoruwenuxudusi.pdfIn PDF document text
  • http://bluebossa.pl/files/file/35362662525.pdfIn PDF document text
  • http://iucecb.com/files/file/zawevatuxidapurizat.pdfIn PDF document text
  • http://firmykominkowe.pl/Obrazki/edytor/file/91689449865.pdfIn PDF document text
  • http://phukientubepxinh.info/gomsu/sanpham/anh/files/ditujog.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=told+to+doPDF 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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