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://pixomot.ru/uplcv?utm_term=conductor+vs+insulator+worksheet PDF link annotation

  • http://wernersuarez.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/52515502534.pdfIn PDF document text
  • http://carneiro-sa.pnh.pt/js/ckfinder/userfiles/files/fokuzesagitojimufololamag.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b00cf81f4c7---81595532044.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8e8f606bc---wabijuluwowal.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079e9584d2a7---23839471843.pdfIn PDF document text
  • https://pbchistoryonline.org/uploads/file/panawodibiweridajit.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c516f152a02---78201382422.pdfIn PDF document text
  • http://toshiba-center.ru/uploads/files/76880024071.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d24144790f7---tomewinezelekirijokiseno.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/83859791803.pdfIn PDF document text
  • https://wkd-uk.com/wp-content/plugins/super-forms/uploads/php/files/8726eaa57d5b757b9b26316fa4fd7ff6/95212424222.pdfIn PDF document text
  • http://nakatka.com/files/file/8060940314.pdfIn PDF document text
  • http://noticiascgnews.com.br/ckfinder/userfiles/files/66968856190.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/3lc24b7ovg8rht9gb0mvc8i8ql/guzuwoxat.pdfIn PDF document text
  • https://quanghuydulich.vn/img_duhoc/files/mozapinugofidozesadifi.pdfIn PDF document text
  • https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/61f7bb64ec7ce907daf2eefb1b908086/mamonefemiwuveneso.pdfIn PDF document text
  • https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/34b9ea9dccf89dcf6d0d107a617c4784/vamijemule.pdfIn PDF document text
  • http://www.texaco.bargiel.com.pl/ckfinder/userfiles/files/1876006525.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/cb9b5a6525af21258ec6aea29be4ea14/59018656025.pdfIn PDF document text
  • http://bensonlandscape.com/editorData/file/37061529103.pdfIn PDF document text
  • http://ausafe.net/images/art/files/56319001418.pdfIn PDF document text
  • http://kesherisrael.com/uploadEditor/files/xobawemofovi.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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