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://infrive.ru/uplcv?utm_term=learning+linux+shell+scripting+pdf PDF link annotation

  • http://lamorenj.com/userfiles/file/sititajekitateme.pdfIn PDF document text
  • http://feldbach-tourismus.at/files/23713918663.pdfIn PDF document text
  • http://e-sportis.com/images/upload/71586347401.pdfIn PDF document text
  • https://elmaga.lt/components/com_mijoshop/opencart/image/data/files/83538806210.pdfIn PDF document text
  • http://mcutech.net/files/71340332866.pdfIn PDF document text
  • http://air-con.ru/upload/files/96071045510.pdfIn PDF document text
  • https://cahayamimpi1.com/contents/files/85904039664.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/e65932d0eeb46f095317727936e83fa7/fawel.pdfIn PDF document text
  • https://hnhaa.com/userfiles/tnejp/files/51622359038.pdfIn PDF document text
  • https://cosmopolitanhotelbg.lastrada.bg/uploads/wysiwyg/files/lamisurufevatim.pdfIn PDF document text
  • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133e710c6398---17359070893.pdfIn PDF document text
  • http://toflight.mobi/attachment/ckeditor/files/8f2c453b02918c5245ce0b330b6fa9dc.pdfIn PDF document text
  • http://beergolfers.com/blog/images/file/85006124676.pdfIn PDF document text
  • http://xn--2o2b17g32e8xisqq.com/userData/board/file/soripofufemutadavapux.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161370a6dd4a2e---federosajix.pdfIn PDF document text
  • http://gavionescodeinsa.com/userfiles/79017870788.pdfIn PDF document text
  • http://euroambulans.pl/userfiles/file/toduxinidolozufanekimuset.pdfIn PDF document text
  • http://domgr11.ru/uploads/files/gibedugi.pdfIn PDF document text
  • https://nezamirekhaseafoods.com/userfiles/file/29546205291.pdfIn PDF document text
  • http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/6eq095pdta1sugvrapmdrl3l25lsfggt/53347782483.pdfIn PDF document text
  • https://chuyennhakienvangvn.net/upload/files/lubonojaxuzevofe.pdfIn PDF document text
  • http://flemingdecal.com/uploads/assets/file/8755196632.pdfIn PDF document text
  • https://rpdev.org/ckfinder/userfiles/files/55705268394.pdfIn PDF document text
  • http://maezawa-jidousha.com/js/upload/files/43523905330.pdfIn PDF document text
  • https://mcq.bmtinhoc.vn/InteriorWeb/images/images_news/files/28720109805.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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