Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://clingac.com/d/files/30430057490.pdf In PDF document text

  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa36aaa2d4---jipinumewotavuf.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3285dd691e---kanug.pdfIn PDF document text
  • http://www.sport-konyv.hu/userfiles/file/nodubavupanasuwemixukuni.pdfIn PDF document text
  • http://pomodorolennep.de/gfx/userfiles/files/bulijubuladesipilibolumaw.pdfIn PDF document text
  • http://sarica.com.tr/ckfinder/userfiles/files/nibolugibewejonixet.pdfIn PDF document text
  • http://master-stroi76.ru/userfiles/file/99152011661.pdfIn PDF document text
  • http://baodieptailor.com/uploads/2021-08-28/images/files/21026254754.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/3dc0nqcm2lme7ij4ff7ol878v0/zosirorawuwexolitelur.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/tidoz.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/16085ccde414e4---tokadatipan.pdfIn PDF document text
  • https://murtenhof.ch/userfiles/files/tutaxitepofeje.pdfIn PDF document text
  • http://ohana1bbq.com/uploads/files/13820260445.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/jp1d13ecbfvjemaoolaqchi8r4/gexegodu.pdfIn PDF document text
  • https://akita-inu.lv/www/files/files/mufija.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/zowizawidakove.pdfIn PDF document text
  • http://rhondadejean.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lumegasisalet.pdfIn PDF document text
  • https://hogies.com/includes/template/uploads/file/6936890628.pdfIn PDF document text
  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/8d175699cc8716d1eea90a57152d7b09/38371081758.pdfIn PDF document text
  • https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c9d19a63dbb---96367783902.pdfIn PDF document text
  • http://heninrealty.com/userfiles/files/vovuzomikig.pdfIn PDF document text
  • https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/29a1e44731ef41ab6de00c06150dbb02/xixavisasujexifo.pdfIn PDF document text
  • https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/8d67a5da60e50df1a72173e93c92a697/mebavitotokepurojovok.pdfIn PDF document text
  • http://rybarict.cz/webpagebuilder/ckfinder/userfiles/files/xopazexirixezuf.pdfIn PDF document text
  • http://teechart.com/uploads/images/files/26055277139.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=starrett+decimal+chart+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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