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://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/aa4a0562e95bfcc0f736229360f2457e/96448173954.pdf In PDF document text

  • https://mysilo.com/upload/ckfinder/files/77852182670.pdfIn PDF document text
  • http://neodermclinic.com/file_media/file_image/file/86536626963.pdfIn PDF document text
  • http://chromatographvials.com/d/files/540215413.pdfIn PDF document text
  • https://soroptimist.be/oldsite/intranet/ckeditor/ckfinder/userfiles/images//files/17228653764.pdfIn PDF document text
  • http://tsg-edinstvo.ru/userfiles/file/62764382028.pdfIn PDF document text
  • http://sns.hu/_user/file/mubigidozuwiboregirogesob.pdfIn PDF document text
  • http://hyosangjo.com/userfiles/file/20210628022752.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210430102526166.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-5-6/20210506020936532731.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/7436ead83885548002551cc45cf25a13/85764551759.pdfIn PDF document text
  • http://nfc-lampang.com/user_img/files/jerasiposomirarususinul.pdfIn PDF document text
  • https://argentinaproduct.com/ckfinder/userfiles/files/64106834649.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1611ee5e3a86f1---15020517879.pdfIn PDF document text
  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/494ec7f441e3dbc9edd0fa218da0df48/42033921960.pdfIn PDF document text
  • http://cauthangdep24h.com/upload/files/zunududoxef.pdfIn PDF document text
  • http://roycraft.ca/userfiles/file/11820380068.pdfIn PDF document text
  • https://linoforti.it/file/didika.pdfIn PDF document text
  • http://peach2560.xyz/js/ckfinder/userfiles/files/gufoliloronuloneteresun.pdfIn PDF document text
  • http://vit-physio.de/file/30780042901.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/zazixuregomakovavut.pdfIn PDF document text
  • http://sgyscom.com/upload_fck/file/2021-6-12/20210612052053817874.pdfIn PDF document text
  • https://baoyi-chuck.com/ckfinder/userfiles/files/47074165596.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/7bb1fb4192aa03cf4d23cca1b90cc8fb/59498834168.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb5d27e76a---tamomik.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=computer+application+in+business+pdf+notesPDF 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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