Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://catamma.ru/uplcv?utm_term=bear+hunt+wiggles PDF link annotation

  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135135e2633b---42112812320.pdfIn PDF document text
  • http://ferien-in-zahren.de/images/file/sasega.pdfIn PDF document text
  • http://space-edge.com/upload/files/73016279843.pdfIn PDF document text
  • http://mitchelllawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/15715601558.pdfIn PDF document text
  • http://hanasushichoice.com/uploads/files/mepumexaridutezebara.pdfIn PDF document text
  • http://www.sandipmallick.com/fckimages/file/28891817725.pdfIn PDF document text
  • http://fitviewer.info/files/file/titisagapir.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a0a207d01a---mixutotogo.pdfIn PDF document text
  • http://word.mn/uploads/assets/basewunufezexefozixubujo.pdfIn PDF document text
  • https://www.baust.edu.bd/app/webroot/ckfinder/userfiles/files/6736209996.pdfIn PDF document text
  • https://accu-split.com/userfiles/files/xikavelozodojuwedo.pdfIn PDF document text
  • https://www.leasing.net.in/ckfinder/userfiles/files/2473558227.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1613c4815815f0---pogagujitipajawobat.pdfIn PDF document text
  • http://ip-golubev.ru/ckfinder/userfiles/files/79226116292.pdfIn PDF document text
  • https://eric-parnes.shortex.com/ckfinder/userfiles/files/kilum.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/161318e710c860---8909064782.pdfIn PDF document text
  • http://fusen-es.info/yamituki-n/uploads/files/32268197670.pdfIn PDF document text
  • http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/wamepoxexabad.pdfIn PDF document text
  • http://diagcorlifescience.com/attachment/file/24135580290.pdfIn PDF document text
  • https://mexico-airport-transfers.com/ckfinder/userfiles/files/30272535022.pdfIn PDF document text
  • https://tjp2-hotlink-j3t.com/contents/files/92800237841.pdfIn PDF document text
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/29499ea0391bb6d2cea7fd0d2bf25c61/seviloxivigabibetanulim.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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