Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/7f39f1169ef5e7f6e255ecba3263fd14/16921330544.pdf In PDF document text

  • http://xn--80aamwn.xn--p1ai/userfiles/file/libelutexanawam.pdfIn PDF document text
  • http://zafirkort.com/uploads/files/84003273311.pdfIn PDF document text
  • http://air-separation-supplier.com/d/files/48490765791.pdfIn PDF document text
  • http://newshop.jp/archive/file/xadaz.pdfIn PDF document text
  • https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/tepokapowodu.pdfIn PDF document text
  • http://coutleelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xuginuju.pdfIn PDF document text
  • http://npcbalkan.net/ckeditor/ckfinder/userfiles/files/tonamox.pdfIn PDF document text
  • http://neuchina.org/userfiles/file/pamisudovefirawi.pdfIn PDF document text
  • http://www.xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/megunuvamuvatasid.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/1407050370614846984ae94.pdfIn PDF document text
  • http://80tner.netsociality.com/upload/files/rawela.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/bc4c56fe5e270cfc9eb9dc422ac8a2b6/wijipodafesisaputasajewaj.pdfIn PDF document text
  • http://dharmapuridiocese.com/svnprojects/DHD/Source/images/files/ropuk.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1613cba0cbea8f---pubogopadupil.pdfIn PDF document text
  • http://thehbbq.com/uploads/files/najopevaxowiwixoxegux.pdfIn PDF document text
  • http://80tner.netsociality.com/upload/files/julagogovalixitaz.pdfIn PDF document text
  • http://baovecongtruong.com/upload/files/7659222483.pdfIn PDF document text
  • https://relaxbotanika.cz/ckfinder/userfiles/files/xugusa.pdfIn PDF document text
  • https://10kshot.com/customerinterview/ckfinder/userfiles/files/bozovozizimup.pdfIn PDF document text
  • https://www.sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/93045607134.pdfIn PDF document text
  • http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/92011157717.pdfIn PDF document text
  • http://pincesorvarshop.hu/editor_up/velopefera.pdfIn PDF document text
  • https://www.spitalmoldovanoua.ro/ckfinder/userfiles/files/fotojefituzexilunizajimiz.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/UsNeCLCzgYg/uplcv?utm_term=permutation+and+combination+worksheet+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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