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://inwebjor.ru/uplcv?utm_term=descendants+full+movie+free PDF link annotation

  • http://waterlootour.com/FileData/ckfinder/files/20210915_D4C28B548A44B7D7.pdfIn PDF document text
  • http://xn--sanitrprofi-p8a.ch/fckeditor/editor/images/file/18112034613.pdfIn PDF document text
  • http://yarpb.ru/pic/userfile/13853077552.pdfIn PDF document text
  • http://yigang-lin.com/uploads/files/202109110823372370.pdfIn PDF document text
  • https://lp-tracking.com/userfiles/file/66917768828.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/a42c9370t9js79bvrlu8are0o2/tugusifumigigixowifuf.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142b32f42a44---tepupo.pdfIn PDF document text
  • http://vertex-decor.com/userfiles/file/sosawukesipip.pdfIn PDF document text
  • http://natur-pet.cz/webpagebuilder/ckfinder/userfiles/files/76968731112.pdfIn PDF document text
  • http://springgalleryng.com/Images_upload/files/joliribugamexutod.pdfIn PDF document text
  • http://prochem.vn/images/uploads/files/91180954598.pdfIn PDF document text
  • https://123natura.com/stockages/files/zufirezewid.pdfIn PDF document text
  • http://mygiftltd.com/userfiles/file/13869273454.pdfIn PDF document text
  • http://yesfabric.com/images/upload/File/25481976313.pdfIn PDF document text
  • http://tetraeng.it/userfiles/files/jobaxovibukan.pdfIn PDF document text
  • http://ymjgolf.com/file_media/file_image/file/kigorejarit.pdfIn PDF document text
  • http://cleangroupbd.com/ck/upload/files/22434744019.pdfIn PDF document text
  • https://www.ccs-corporation.com/ckfinder/userfiles/files/wulomobax.pdfIn PDF document text
  • https://mps-india.com/userfiles/files/mirezakezuvevuso.pdfIn PDF document text
  • http://edilcfcostruzioni.com/userfiles/files/nivigabagap.pdfIn PDF document text
  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/8hesug1jn9fe1k48au70bd5s3f/79262172449.pdfIn PDF document text
  • http://cbcom.fr/ressource/site-image/files/19389285371.pdfIn PDF document text
  • http://rjbmachinery.com/d/files/43506568769.pdfIn PDF document text
  • http://xinyuemu.net/assets/202109/files/20210916203012161525.pdfIn PDF document text
  • http://jeansresource.com/js/ckfinder/userfiles/files/nupufosajep.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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