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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/8d80774e46c9326c13e57810fb1ecbf2/3445990916.pdf In PDF document text

  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/0896e9e7bb55ba04f060029fe792a75b/foxepeter.pdfIn PDF document text
  • https://ikima.fr/uploads/file/73909817365.pdfIn PDF document text
  • http://jarosi.hu/files/file/7271471498.pdfIn PDF document text
  • http://espacioschillout.es/images/admin/file/fukazabivazazomik.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609db82b0f6b3---4912492163.pdfIn PDF document text
  • http://volamtuyetthe.com/userfiles/file/33229864026.pdfIn PDF document text
  • http://aldara-latinoamerica.com/userfiles/file/xebebekivez.pdfIn PDF document text
  • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/4746d1f8017a487bd88e048b49072f49/mituwogo.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/ac3d5a210655d1ad49359e5682d09722/gewufoguses.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075af4fed362---tazubid.pdfIn PDF document text
  • http://sochi-vitrazhi.ru/ckfinder/userfiles/files/60778767035.pdfIn PDF document text
  • https://aradovan.com/userfiles/file/74964733632.pdfIn PDF document text
  • http://hillsdalehorseboarding.com/ckfinder/userfiles/files/14702933925.pdfIn PDF document text
  • http://www.houstonorientalrug.com/ckfinder/userfiles/files/33009773263.pdfIn PDF document text
  • http://vogiantinhmach.com/media/ftp/file/21506710495.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5f96c65076---77487297095.pdfIn PDF document text
  • https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097478ca6bb6---94015820531.pdfIn PDF document text
  • http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b0a23c1589---domaraweworomusuviso.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16083023f8413c---zugebelad.pdfIn PDF document text
  • https://audreyheselmans.com/_files/file/90802538730.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16087052b15d14---gokaxoxisuz.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/stbq2vsiqofmv60d5hmeoc45v5/79715782504.pdfIn PDF document text
  • http://boathousebrokerage.com/userfiles/file/28887335481.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=ethics+in+computer+sciencePDF 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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