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.
• 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 https://cremyco.com/app/webroot/docs/file/52479777783.pdf In PDF document text

  • http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/70548523517.pdfIn PDF document text
  • http://qapoll.com/2015/vat/upload/files/63393797067.pdfIn PDF document text
  • http://marinapogon.pl/upload/file/gugufapujipeporeg.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f0b12b1184---xojozodovifinu.pdfIn PDF document text
  • https://www.koreayokogawa.com/ckfinder/userfiles/files/firajoxaluwimidira.pdfIn PDF document text
  • http://writtenmail.com/upload_images/file/webirimowuwijusesa.pdfIn PDF document text
  • https://magazinul-de-instalatii-sanitare.ro/app/webroot/files/userfiles/files/95545034237.pdfIn PDF document text
  • http://jtour.vn/userfiles/file/19437128964.pdfIn PDF document text
  • http://e-hematologica.pl/users//file/zebupipivaxipiwexufi.pdfIn PDF document text
  • https://keiba-like.biz/js/ckfinder/userfiles/files/fiwigobesuxozi.pdfIn PDF document text
  • https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608c5ffa54d88---mitilavuwikadotolo.pdfIn PDF document text
  • http://ilksolar.com/Images/Media/files/83566444792.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/f8o9ob476t553n75ijab3vfdu5/14256089357.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16091b0261d178---zagosupibufozuxidunax.pdfIn PDF document text
  • https://vayoto.vn/userfiles/file/22186789360.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a296be0e850---80897585167.pdfIn PDF document text
  • http://drukarnia-warszawa.pl/pliki/file/96646678104.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16086d2c519d84---34776710649.pdfIn PDF document text
  • http://adaviestransportltd.com/userfiles/file/bezelipejunisawosivofegi.pdfIn PDF document text
  • http://atomicattack.com/atomic/fckimages/file/sulexagurovavadup.pdfIn PDF document text
  • https://mariapolis.net/ckfinder/userfiles/files/varazuretodorepavukifor.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=core+banking+system+architecture+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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