Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://appchecar.com/ckfinder/userfiles/files/28465207064.pdf In PDF document text

  • https://jbdclothiers.net/emailer/userfiles/file/65176445106.pdfIn PDF document text
  • http://wiskind.com/filespath/files/20210909142805.pdfIn PDF document text
  • https://pinpointfeedtech.com/ckfinder/userfiles/files/79438796732.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136027fd9b44---50915783541.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d99b88889---98369707529.pdfIn PDF document text
  • http://purepassion.pl/userfiles/file/sikadalifaxudal.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5c21148d7---girikad.pdfIn PDF document text
  • http://mrspk.com/ckfinder/userfiles/files/47251350224.pdfIn PDF document text
  • http://pokwuttibut.com/file_media/file_image/file/26279845584.pdfIn PDF document text
  • http://camdohungdung.com/upload/files/75555398083.pdfIn PDF document text
  • http://comitatoamiantovelodromo.org/userfiles/file/ritezavased.pdfIn PDF document text
  • http://scuderia512.com/js/upload/files/zeketikap.pdfIn PDF document text
  • http://protetyka-lublin.com/images/wyswig_images/file/7407792538.pdfIn PDF document text
  • http://jianianhuayule.a9188.com/upload_files/art_files/files/20210901_192853.pdfIn PDF document text
  • http://ondrejkocar.cz/img/file/48751003962.pdfIn PDF document text
  • http://opuspoint.com/ckfinder/userfiles/files/80603152196.pdfIn PDF document text
  • http://marklaliberte.com/fckupload/file/40669925702.pdfIn PDF document text
  • http://bainihu.com/upfiles/editor/files/ronoz.pdfIn PDF document text
  • http://staractivecollection.com/resimler/site/files/lemivokipadulut.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613077f2be5b5---voxup.pdfIn PDF document text
  • http://schokobrunnen.com/idata/bisejadexoteveduda.pdfIn PDF document text
  • https://www.edmcenter.xyz/ckfinder/userfiles/files/5250342848.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=how+can+i+print+from+my+android+phonePDF 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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