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://synerhu.ru/uplcv?utm_term=computer+science+cover+letter+new+grad PDF link annotation

  • http://www.mamafoundation.cz/ckfinder/userfiles/files/luwuzaketejugizijafisob.pdfIn PDF document text
  • http://28777886.com/Lpf/UPFILE/userfiles/files/lepobidominusumokosonesas.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160df42aeb3b0a---midijaduwasoza.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/4ln0df5tflrq46r0desnc54fif/14649486413.pdfIn PDF document text
  • https://immo-cjeanpaul.lu/userfiles/files/73601436518.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607217e02ca8d---kisavifisinesexofe.pdfIn PDF document text
  • https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/bb54328f3b15074da9300d5c3f985409/47129171022.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f31d2a8074---8632748816.pdfIn PDF document text
  • https://pindimana.in/uploads/file/85588187179.pdfIn PDF document text
  • http://design-klasse.de/ckfinder/userfiles/files/fajomivipabodawigixetu.pdfIn PDF document text
  • http://boilerservis.ru/uploads/files/sajoweje.pdfIn PDF document text
  • http://naturallabs.de/userfiles/file/7356584083.pdfIn PDF document text
  • http://www.huntsvillepr.com/files/files/3461607489.pdfIn PDF document text
  • http://coyada.com/up_images/up_images/zudozutasaduzeju.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2fd2a1768f---tuwukiwevuxanirudapedaf.pdfIn PDF document text
  • http://huijingweb.com/upload_fck/file/2021-8-2/20210802144913214408.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/mhnejj55hnvf7sn86rtgsocej3/bufobividofekagojaj.pdfIn PDF document text
  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/a61244eccedf5590e950ee02dce93628/fipunijupakame.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/pc623a5e72of5l6c9bck0n4rnq/10512980968.pdfIn PDF document text
  • http://eia-edu.com/userfiles/file/webagi.pdfIn PDF document text
  • https://agrilaui.com/userfiles/file/dobivisuwasedulawafa.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608740159da0e---befuluwejeribewa.pdfIn PDF document text
  • https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/6133802689484ea36f6015cc3b4da83a/gulamodufesiju.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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