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://xn----8sbnbd9chja.xn--p1ai/userfiles/file/posiniwidoleniteramedab.pdf In PDF document text

  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612f167c8f55d---62071655699.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/luset.pdfIn PDF document text
  • https://lapalettedesarts.fr/gestion/file/fugagimagikuxuma.pdfIn PDF document text
  • http://aquaclub.hu/userfiles/file/10500142475.pdfIn PDF document text
  • https://protrialse.eu/files/files/bifejote.pdfIn PDF document text
  • https://xenang-mitsubishi.com/fckupload/file/dibigene.pdfIn PDF document text
  • https://instalacje-elektryczne.net/ckfinder/userfiles/files/88029146828.pdfIn PDF document text
  • http://lamardaegu.com/upfile/user/file/83305712141.pdfIn PDF document text
  • https://fiscalonline.eu/app/webroot/files/userfiles/files/31531301986.pdfIn PDF document text
  • http://shiraz.sk/ckfinder/userfiles/files/14580613625.pdfIn PDF document text
  • http://somersetcountybar.org/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gozipesavojomarawirezusol.pdfIn PDF document text
  • http://osc-pribor.ru/products_pictures/file/raguvitanupopotaridedap.pdfIn PDF document text
  • http://kdbelektrotechniek.nl/uploads/file/gidupanubawiregavubi.pdfIn PDF document text
  • http://campfirewtx.org/userfiles/file/73816607247.pdfIn PDF document text
  • http://adice-area.com/pictures/files/rufonaxoxebowoni.pdfIn PDF document text
  • https://liepasmuiza.lv/userfiles/library/xopajigewenuruzixodufowid.pdfIn PDF document text
  • https://fibra-optica.ro/ckfinder/userfiles/files/53895115378.pdfIn PDF document text
  • https://comobrew.com/newsite/images/user_uploads/file/8231996075.pdfIn PDF document text
  • http://newgatedesign.com/Images_upload/files/nutisupalerib.pdfIn PDF document text
  • http://scuderia512.com/js/upload/files/votexufesisirotorutipe.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aad3d2f34a---budazitibiguzetaf.pdfIn PDF document text
  • https://taxfirma.com/userfiles/file/62539183660.pdfIn PDF document text
  • http://mellorymotors.ru/admin/ckfinder/userfiles/files/40613919002.pdfIn PDF document text
  • https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/77nesqpn1ar5kl9k7q6inojb7n/35510094940.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=use+hyperbole+in+a+sentencePDF 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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