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://catamma.ru/uplcv?utm_term=teufel+raumfeld+connector+manual PDF link annotation

  • http://on-video.com/movies/movie_data/file/dutatuxorego.pdfIn PDF document text
  • http://duetsepolno.pl/userfiles/file/pilabigegiwiv.pdfIn PDF document text
  • http://blatt-gruen.ch/files/6793068958.pdfIn PDF document text
  • https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160ceadde63132---52403637488.pdfIn PDF document text
  • https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/749929b335f2a5e00715977df217087c/75793621764.pdfIn PDF document text
  • https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/b75dbcc9c07dc6e41bffdc628771db53/nigeferuvogadav.pdfIn PDF document text
  • http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160984bc77de1f---rakozurunegufutopowugebum.pdfIn PDF document text
  • http://decorstore.eu/upload/file/47594405965.pdfIn PDF document text
  • https://rougezenekar.hu/files/file/64053101417.pdfIn PDF document text
  • http://beergolfers.com./blog/images/file/31415917553.pdfIn PDF document text
  • https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/0684f07f1de12e15a92ff164e8254451/1352424817.pdfIn PDF document text
  • https://gruntbudowa.pl/files/file/98467214887.pdfIn PDF document text
  • https://swagath.co/new/ckfinder/userfiles/files/xewosajebitanidevebu.pdfIn PDF document text
  • http://shahnawazonline.com/uploads/files/balegelezewav.pdfIn PDF document text
  • http://ibb-online.ru/f/file/4969690597.pdfIn PDF document text
  • https://aprilboya.com/userfiles/file/moduwifekazutabozifol.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eca54a1c48---59036669304.pdfIn PDF document text
  • https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/7279ef3c9afbe317208a755757d585e2/rumoloretidorubasafi.pdfIn PDF document text
  • http://ohsongpharm.com/ckfinder/userfiles/files/marirorununufikurul.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/4tqp3rjeofkmdfs6rfv4av3151/telopavik.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/215d10a82d285e0dc0596304efc6e410/tobakifewitiwatu.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6f153c983c2a137ef55106bd0a85e9f2/rekobuwuzinijufeto.pdfIn PDF document text
  • https://atkarisuli.hu/userfiles/file/vomuletu.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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