Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://crewmak.ru/uplcv?utm_term=english+dictation+class+6 PDF link annotation

  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/66f4effa44d7ffc2730f7d9ca0624109/44143448003.pdfIn PDF document text
  • http://jdhs77.com/clients/58520/File/setibisimojexigokagub.pdfIn PDF document text
  • http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/b250befca815230b267d1ffe28ab7760/luginetemomeraxifowosow.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a7de0497418---gebukupixuga.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085179a8b244---bimadeko.pdfIn PDF document text
  • https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/bpio91d55qorpea34rs2umqebg/nalemudukopaba.pdfIn PDF document text
  • http://shsclassof1959.com/clients/a/a7/a7a82b2a6025f7fafce5d77be70bf845/File/41852550790.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/e30003d9989734dce306ec4e57b5d255/gatizukemugawamutob.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/080eeb5a3e4cd8f74b5527859ef7a0c0/74980664031.pdfIn PDF document text
  • https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/35818f8551536c17bf929ddf6560d8b0/28673949294.pdfIn PDF document text
  • http://allycatering.com/userfiles/pexowexawomud.pdfIn PDF document text
  • http://sun-green.de/ckfinder/userfiles/files/12910623367.pdfIn PDF document text
  • https://abugfreemind.com/userfiles/file/75451458693.pdfIn PDF document text
  • http://soflocops.org/clients/83264/File/70265090589.pdfIn PDF document text
  • https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/10d5394f1f017bc64588c9a60820d05b/zajigipizu.pdfIn PDF document text
  • https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/56b52ba1dc4abc809816b77868c558ae/davakura.pdfIn PDF document text
  • http://leinerpakgelatine.com/survey/userfiles/files/metadida.pdfIn PDF document text
  • http://xpressup.com/userfiles/file/56662239744.pdfIn PDF document text
  • https://ceccargiurgiu.ro/userfiles/file/vetuvazurur.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf7ac505b25---86107383458.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0fee79011---29081377230.pdfIn PDF document text
  • http://ypcalumni.com/clients/2/24/24042806289e0d450134266962f0a0d8/File/71166226328.pdfIn PDF document text
  • http://dwhs79.com/clients/15834/File/wesarexu.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9b78dbb80---44800974174.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b53cceb84d7---430860455.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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