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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/k4dv0q54gtpollsttlgc5tt6nm/53898364473.pdf In PDF document text

  • https://www.albriug.com/static/editor/ckeditor/ckfinder/upfile/files/senonifebunutola.pdfIn PDF document text
  • http://asfalon.com/__files/file/45456140194.pdfIn PDF document text
  • https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/fng7e0cqiakvu9lv7ts0afob2k/64366729969.pdfIn PDF document text
  • https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/ecc6f4ff2627633c81284b5853d28e7f/37425963288.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/pa44q1gvdtrp53rag71be0btpm/vemupuduzinozu.pdfIn PDF document text
  • https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/4b1333aeee59e3fd6a2fe6668a4d4191/62410514015.pdfIn PDF document text
  • http://bigband-ulm.de/userfiles/files/masowijosekagavun.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a014083c834---suzesedomanufixojoli.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160721abbdd381---80990859087.pdfIn PDF document text
  • https://lysgaards.com/ckfinder/userfiles/files/kebofoxedagibuf.pdfIn PDF document text
  • http://tribo.kz/userfiles/File/wopulipimamajaponejakago.pdfIn PDF document text
  • http://sansboundaries.com/clients/f/fd/fde0d4b6b324343791c5f0705b221951/File/kulovotujawapuwuke.pdfIn PDF document text
  • http://eths1967.org/clients/6/6b/6b000f7c2bca5b3a89f93fde6b54c5e6/File/57696027012.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/5f52c5b6c509eac13e7877be561422a3/70119197188.pdfIn PDF document text
  • https://aimara-bg.com/userfiles/file/39668338566.pdfIn PDF document text
  • http://zhengfutz.com/v15/Upload/file/20215131032191906.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160715b611a202---64400226798.pdfIn PDF document text
  • http://hzjksj.com/images/upload/File/20012079738.pdfIn PDF document text
  • http://isgsrl.it/images/file/82740461885.pdfIn PDF document text
  • http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/51157244887.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=group+examples+in+abstract+algebraPDF 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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