Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://pistant.ru/uplcv?utm_term=class+8+rational+numbers+worksheet PDF link annotation

  • http://riskhedgetech.com/uploaded/file/97299224560e981a9c9bbd.pdfIn PDF document text
  • http://kapsalonvogue.nl/files/file/27675696589.pdfIn PDF document text
  • https://www.paseppe.gr/ckfinder/userfiles/files/2583587947.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/603f717e767fe7cbc2a1ea983358317c/nuzujijojigutonivunud.pdfIn PDF document text
  • https://vico-domrep.com/ckfinder/userfiles/files/85786600727.pdfIn PDF document text
  • https://chmelo.hu/sites/default/files/file/94500287489.pdfIn PDF document text
  • http://com123.vn/uploads/file/68678649269.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/8678793202.pdfIn PDF document text
  • http://vickerycarpet.com/uploads/images//files/6255613873.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/qmkdh7mtvk7fc1vgvapsbh03gu/mepumavoresomekegit.pdfIn PDF document text
  • http://hainfelderteich.at/surelezepapazapukaxituta.pdfIn PDF document text
  • https://ketex.com/trcgp/ckfinder/userfiles/files/mebosex.pdfIn PDF document text
  • http://antifftech.com/uploadfile/file///2021051718175899.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/ucu065g81nnb5k1k75rk3kjvev/70679403844.pdfIn PDF document text
  • https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160fa81a568240---94367873236.pdfIn PDF document text
  • https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/9e7eeb87e462ce22cccb95edf69c3ae9/71072265896.pdfIn PDF document text
  • http://maychaybocaocap.com/app/webroot/uploads/files/35332420720.pdfIn PDF document text
  • http://gingerbreadvillage.org/clients/e/e3/e396b250b60561adcb946853f9f62e29/File/kadakodanulipematiluguwap.pdfIn PDF document text
  • https://ita.kru.ac.th/ckfinder/userfiles/files/rofap.pdfIn PDF document text
  • http://dxczx.com/ckfinder/userfiles/files/20210603_061127.pdfIn PDF document text
  • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/b1hlajai63ggfvs64rne2ko6ug/kapes.pdfIn PDF document text
  • http://acupunctuuryao.nl/ckfinder/userfiles/files/43773919550.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/hfllm1clgsjidrq9ib5j6pgmkj/perixilokavipogek.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/fe8e07a06768f4dbe0ff57b552639f27/puzogukinatobogewe.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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