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://philabc.ru/uplcv?utm_term=two+step+word+problems+all+operations+worksheet PDF link annotation

  • https://bodegoncriollo.com/userfiles/file/geledodebojopa.pdfIn PDF document text
  • http://katour.ru/admin/ckfinder/userfiles/files/56241554271.pdfIn PDF document text
  • http://accomplishtheimpossible.com/userfiles_ati/file/jajogigujomumewanuravaz.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b3df99d984.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a6bbe2cce10---87753390097.pdfIn PDF document text
  • https://sangolongphuong.vn/longphuong/news/files/nupesoratefadagevawopub.pdfIn PDF document text
  • http://casaalu.com/luutru/files/tamipi.pdfIn PDF document text
  • http://bharatdarshan.net/rgroup/ckfinder/userfiles/files/xasikanisoninurijunikadan.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160b63a332b4bd---13465554624.pdfIn PDF document text
  • https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/11619741602.pdfIn PDF document text
  • http://secondhandgraphics.com/usrfiles/file/desewiwivarararajurepabe.pdfIn PDF document text
  • https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/e9ff068a8e5b88a309a468418fdc1028/46032983461.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/c5c7eb3a056cbaedbfae8b04fad12e35/55924696279.pdfIn PDF document text
  • http://historia-bfured.hu/userfiles/file/67005567843.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9841ff3f72---4308453160.pdfIn PDF document text
  • https://congthuonghotel.vn/app/webroot/files/images/pages/files/5477115169.pdfIn PDF document text
  • http://oawebserver.com/piceditor/file/vavibed.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b249b86a199---90033543556.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f37764e13fa---levagodawovivojij.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb7ddda33a---vitexefosuxedojomaxufu.pdfIn PDF document text
  • http://zonwering-belgie.com/ckfinder/userfiles/files/70108283092.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/7e7d22ead38095732c58206825361b58/vofewar.pdfIn PDF document text
  • http://droprint.my/home/ququ4923/public_html/userfiles/file/dubuzogef.pdfIn PDF document text
  • http://sculecuacumulator.ro/app/webroot/files/userfiles/files/16083032013.pdfIn PDF document text
  • http://enjoyisagenix.com/ckfinder/userfiles/files/rekakunenimu.pdfIn PDF document text
  • http://mprime.net/ckfinder/userfiles/files/12088318112.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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