Malicious PDF — malware analysis report

Heuristics 8

• 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 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://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c342b27f739---91943436142.pdf In PDF document text

  • http://salukool.ee/upload/userfiles/file/voxajuberalizo.pdfIn PDF document text
  • https://www.albriug.com/static/editor/ckeditor/ckfinder/upfile/files/51721468719.pdfIn PDF document text
  • https://hizlipin.com/calisma2/files/uploads/77355814652.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0f763d174---bezeponajamokipuk.pdfIn PDF document text
  • http://www.humillacionyestrella.org/ckfinder/userfiles/files/70714925253.pdfIn PDF document text
  • https://imahima.xyz/js/ckfinder/userfiles/files/76091772750.pdfIn PDF document text
  • http://aristosaigonhotel.vn/uploads/files/36372352372.pdfIn PDF document text
  • https://ylwlgwadmin.ylwl.cn/upload/files/3299575292.pdfIn PDF document text
  • http://bulmarconsult.com/files/90692392089.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/34b23a8058fec95209bd3b4ecb234c48/pixubu.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/o616pg45hq5mvevt3t4fi7gjh9/zipimu.pdfIn PDF document text
  • http://tareeapartment.com/user_img/files/64517156864.pdfIn PDF document text
  • http://taeguektour.com/FileData/ckfinder/files/20210708_06E224398F5A5D8D.pdfIn PDF document text
  • http://zwickerfoto.hu/_user/file/2029682655.pdfIn PDF document text
  • http://abpaluso.com/upload/file/19480795727.pdfIn PDF document text
  • https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/i1bt5ubjsjhd6ktghd0pfov7g4/ditixarepusefewos.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/ub4ilog1k56iovq6k9oa8b9s87/16986459630.pdfIn PDF document text
  • https://ebooksweb.net/files/file/gipesutakexuvijerof.pdfIn PDF document text
  • http://www.tamtrebinhminh.com/public/files/99707205294.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee6f3a83b6---metilikaj.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bec37f4c7ef---wunalufidazivepupanadixo.pdfIn PDF document text
  • http://demirlermetal.com/resimler/files/wifatesoxape.pdfIn PDF document text
  • http://cropscipublisher.com/files/upfiles/file/jifijo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=excel+user+defined+worksheetfunctionPDF 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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