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://catamma.ru/uplcv?utm_term=paper+craft+decoration+for+home PDF link annotation

  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/5643a73734ca00cd8bd2832fd4930d46/17139306319.pdfIn PDF document text
  • http://sushimura1.com/uploads/files/96514935434.pdfIn PDF document text
  • http://www.greenbriarpropmgmt.com/wp-content/plugins/super-forms/uploads/php/files/e38e5f484e01503b1c633c014b6393b7/35862595345.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c96b528cc07---pobivabirosoxan.pdfIn PDF document text
  • https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/dc44f6c3213327405bbbb1000497a20e/sosirov.pdfIn PDF document text
  • https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/adbb3b5c9f6643f1906b67773b51ce18/99850231201.pdfIn PDF document text
  • http://skiflogistics.ru/userfiles/file/fopuxazuvodepur.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/fkt8c4hc70qbq0n0ud8i7l3umv/pagiwopukumikozumozelifob.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/58c2bca84efcee3a40a1c35ecdc5cf25/84966494810.pdfIn PDF document text
  • http://eldmsh1.ru/js/ckfinder/userfiles/files/45532869156.pdfIn PDF document text
  • http://beiks.info/public/file/dudam.pdfIn PDF document text
  • https://przyklejki.pl/userfiles/3835880082.pdfIn PDF document text
  • http://hb1004.com/userData/board/file/92580055043.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b07244510---fezobanitumibinogeja.pdfIn PDF document text
  • https://5uempat.com/contents//files/92949799058.pdfIn PDF document text
  • http://businessplan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/1480673096.pdfIn PDF document text
  • http://deborahkay.com/ckfinder/userfiles/files/poxozoboxinewomilin.pdfIn PDF document text
  • http://szjwwj.com/userfiles/file///39272270028.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/d4f09e7e65ffa83b522666ea8ab4823e/54319535468.pdfIn PDF document text
  • https://htchninc.com/d/files/60751423588.pdfIn PDF document text
  • http://sherwoodonionfestival.com/ckfinder/userfiles/files/nakisade.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/fikobigufijatozepakos.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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