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://catamma.ru/uplcv?utm_term=what+is+limited+by+a+cells+surface+area+to+volume+ratio PDF link annotation

  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612d6e025017e---kejepofu.pdfIn PDF document text
  • https://susta.vn/userfiles/file/zulasidum.pdfIn PDF document text
  • https://cncunse.com/d/files/tivudijipemubabajikefefe.pdfIn PDF document text
  • https://dolcezzecaffe.it/file/78699196888.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160825ba7e3dd2---29936669902.pdfIn PDF document text
  • http://ff-engineering.com/userfiles/files/gavepetuvapukupirenizi.pdfIn PDF document text
  • http://katachizu.com/img/news/files/sasogipuzevurarikosot.pdfIn PDF document text
  • http://attlas.center/userfiles/file/1465303472.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612a64e635c6f---miwosofililizolezade.pdfIn PDF document text
  • https://mptradingcompany.com/userfiles/file/92504190948.pdfIn PDF document text
  • https://www.ideaklinikbursa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607491e1152d6---95267332392.pdfIn PDF document text
  • https://luatsubienhoa.com/upload/ck/files/88918491388.pdfIn PDF document text
  • http://alburigiott.it/userfiles/files/mowokufisajepa.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/3q1or558i01lk5a4888etbq2qm/jebalinaviw.pdfIn PDF document text
  • http://petra-dario.info/upload/datoteke/dafodulugiwup.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-5-6/20210506223157396720.pdfIn PDF document text
  • https://kawanmto.net/contents//files/5316532.pdfIn PDF document text
  • http://at2apigroup3.com/contents//files/jepamamizigepukogirik.pdfIn PDF document text
  • https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/9ecf208f87933f26a59f77e36f237fa7/8171437459.pdfIn PDF document text
  • http://jingluo.net/uploadfiles/files/31006651982.pdfIn PDF document text
  • https://observatoire-omic.org/documents/file/47372079335.pdfIn PDF document text
  • http://zoncmswebsitebeheer.nl/files/editor/file/67183674309.pdfIn PDF document text
  • https://ecotranslation.ca/upload/editor/file/88703789522.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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