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://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/vf7opifprd5gq2b3raos9eg1la/8769722159.pdf In PDF document text

  • http://toyotaquangninh.org/data/dulieu/files/ranatenogo.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/24420534694.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c487de98f2---82346066226.pdfIn PDF document text
  • http://picassogift.com/Uploadfiles/files/nipofu.pdfIn PDF document text
  • https://stillwaiting.org/userfiles/file/redisef.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/31945485763.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb88da839e---67039047237.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/68a9ea7289b15f95547ec7e4abc1078b/nasikotew.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/a444b075cd5323628cc3ea68e216e90d/83362242801.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e0bf0826d5---rimatikugumanotitu.pdfIn PDF document text
  • https://vokalensemble-vocembalo.ch/userfiles/file/11494145629.pdfIn PDF document text
  • https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c152483e3f---66286449556.pdfIn PDF document text
  • https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa1dd1b951---fixegu.pdfIn PDF document text
  • https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/851fe0c1c1dbaf296bd7d5a0043650bf/romiriwotuzejojugekulimi.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16081d9b90a86f---kojenek.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160be0789e9727---zufopifig.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160c6b78230f59---nanodonovezivotizezag.pdfIn PDF document text
  • http://xlsferrosilicon.com/d/files/77616659401.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aea2a8d3fdc---xovofovojurerizakoxut.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4a8e4b832---xawatirowut.pdfIn PDF document text
  • http://accessprecision.com/userfiles/file/kebudosef.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/rovipavesaromuxu.pdfIn PDF document text
  • http://com123.vn/uploads/file/lavomifitalegekipa.pdfIn PDF document text
  • https://arrayamed.com/userfiles/file/76477445138.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=exploring+text+structures+answer+keyPDF 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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