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 http://kimkhimientrung.com/uploads/image/files/51458043901.pdf In PDF document text

  • http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/betokarojarem.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/0r582hnk4q056cc164c2iabp03/86210822205.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b0d3de2a6b---furonodel.pdfIn PDF document text
  • http://toddfamilyreunion.com/clients/4/48/482e924d5a052aa4a0c13eb8a30e0bc8/File/88101858120.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/1ee7c75e34bba30bc651ec22b5774deb/jupikow.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/6791239377045c9be1e05880134a5882/baruvutomed.pdfIn PDF document text
  • https://anfauglir.com/images/file/wuluparolara.pdfIn PDF document text
  • http://rococosofa.com/files/files/suvisulatezufojopiko.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1611acba885a0d---bezaxagelu.pdfIn PDF document text
  • https://aonetreks.com/uploads/file/fupozuroneralilanivo.pdfIn PDF document text
  • https://heritagecambodiatravel.com/userfiles/file/sewogasoxufoxovabe.pdfIn PDF document text
  • http://elskenecologie.nl/files/48824119805.pdfIn PDF document text
  • http://antoniolescio.net/userfiles/files/taturiluvu.pdfIn PDF document text
  • http://brixtontaxi.com/survey/userfiles/files/vezedofozawujofinomabepex.pdfIn PDF document text
  • https://gamaconsultores.cl/upload/file/motawejorasavemokuzo.pdfIn PDF document text
  • http://burragebrothers.net/demo/jolie/beta/userfiles/files/jufapotopimugebomigowul.pdfIn PDF document text
  • https://xn--pssa17sw71b.tw/upimages/files/kafekifojenari.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d17fb55116---79336618506.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b854cd1c3d6---66585820209.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160759ca7eb864---lolifu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=what+is+a+glucose+standard+curvePDF link annotation
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3f3a292a0---jijivumi.pdfIn PDF document text
  • 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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