Malicious PDF — malware analysis report

Heuristics 8

• 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
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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.ondebiz.com/userfiles/file/fanuzalibigugener.pdf In PDF document text

  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/e263ed72b038dab77f13cb598be9ee50/nupurenitoxetonoxowakep.pdfIn PDF document text
  • http://snabsz.ru/ckfinder/userfiles/files/mejizuvegasef.pdfIn PDF document text
  • http://nutranghongngoc.com/media/ftp/file/13757152596.pdfIn PDF document text
  • https://santehsevast.ru/userfiles/files/41595909002.pdfIn PDF document text
  • http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/78672047017.pdfIn PDF document text
  • http://quranday.org/userfiles/file/2447053522.pdfIn PDF document text
  • https://intrastorg.com/userfiles/file/ratevuratolom.pdfIn PDF document text
  • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/9d57741e23a3d0876d2d2511112bf80f/7780954604.pdfIn PDF document text
  • https://teamcode.net/upload/files/tenuzisubeguradaxijuj.pdfIn PDF document text
  • https://eguiders.com/uploads/betonizupu.pdfIn PDF document text
  • https://cfi-registration.amyhalter.com/buzzboxgift/img/userfiles/files/49818721840.pdfIn PDF document text
  • https://thaiwoodengames.com/files/upload/files/38886018206.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/5536aa773ff3431cb6e0a524fde38742/25731957532.pdfIn PDF document text
  • http://cgmorenanews.com.br/ckfinder/userfiles/files/4670894543.pdfIn PDF document text
  • https://mygrind.ie/userfiles/file/fexeminidisefupupobifawan.pdfIn PDF document text
  • http://hodinovysoused.cz/upload/file/morevaxifa.pdfIn PDF document text
  • http://chekeeh.ir/basefile/chekeehir/files/59238884105.pdfIn PDF document text
  • http://joyandwowbook.com/upload/file/bakorudomijuvavobafiluni.pdfIn PDF document text
  • http://schokofontaene.de/idata/zibogu.pdfIn PDF document text
  • http://lamardaegu.com/upfile/user/file/zedaragepexivibuvil.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614327cb9e194---57926251338.pdfIn PDF document text
  • http://www.gyndoktors.de/ckfinder/userfiles/files/wukejotujidizela.pdfIn PDF document text
  • http://cornucopiafrederick.com/uploads/files/xomukoxupilikonubirutiwuf.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/d9b3ece9a51f796f66217f740bf41be7/zibop.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=minna+no+nihongo+book+pdfPDF 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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