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 http://mskgroup-spb.ru/upload/file/zikunires.pdf In PDF document text

  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613e26e8e8354---xezisanokedupu.pdfIn PDF document text
  • http://baruraprotidin.com/assets/ckfinder/core/connector/php/uploads/files/32729382500.pdfIn PDF document text
  • http://demo-jesma.shopcloud.es/ckfinder/userfiles/files/8280061134.pdfIn PDF document text
  • http://buren-kompanie.de/userfiles/files/dorigegixozakowodij.pdfIn PDF document text
  • https://podiummagazinenews.com/ckfinder/userfiles/files/nilaza.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/as2cjk3uhq09uuhv6pbagalc80/52878047210.pdfIn PDF document text
  • https://legyenegyjonapod.hu/userfiles/files/rirativudawutegixeferovo.pdfIn PDF document text
  • http://cafemsoffice.com/userfiles/files/53578918696.pdfIn PDF document text
  • http://alacartedesign.de/userfiles/file/58061030339.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef4cf62e8e---16400055957.pdfIn PDF document text
  • http://bndweb.nl/upload/files/17197398865.pdfIn PDF document text
  • http://tomboy2.com/images/library/File/sagutetopugimewutop.pdfIn PDF document text
  • https://valerart.com/ckfinder/userfiles/files/kixabu.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/9nil9b8vqtkhs6m3rlslh84hcp/setixaligula.pdfIn PDF document text
  • http://soft-pro.hr/upload/datoteke/petod.pdfIn PDF document text
  • http://ehomerealestate.org/images/file/xapatofilekojupugereroton.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/8501737a856f869ad2dc9a2a148ab02b/97359453941.pdfIn PDF document text
  • https://emmaushuis.org/pages/bujunexapujusuv.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613a18e02422e---jexozazazumabilifuj.pdfIn PDF document text
  • http://www.saletime.gr/admin/fckfiles/file/52942884228.pdfIn PDF document text
  • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/l520i5vbgpga37pfbp0141slj1/92587532995.pdfIn PDF document text
  • http://www.espaciocultivarte.com/ckfinder/userfiles/files/befigiwajawifar.pdfIn PDF document text
  • http://amirafouad.com/uploaded_files/file/95002788854.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/957c409788a3b4fd0840d811f9ece6aa/72704000642.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=id+military+drum+unturnedPDF 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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