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://allytemp.ru/uplcv?utm_term=a+way+out+online PDF link annotation

  • http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160877527c3a0c---fudopefojogimofevazonet.pdfIn PDF document text
  • https://mollis.rs//files/kubepilofokajiwuvoxojam.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/16079a14e9c811---fasunimubupatawidabu.pdfIn PDF document text
  • http://wskinbody.com/data/boardData/files/mekokagegemepenanixet.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/fae66f9956bcbbd187cc48ed4b0bfa57/67366886159.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1986a95c6---liwumibi.pdfIn PDF document text
  • http://fzsvybbs.at/userfiles/file/waboboseganufu.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a288b74e5dd---20525921256.pdfIn PDF document text
  • https://jokerprod.net/userfiles/file/73185521202.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b834434ff7f---kemufosimanazowijupokar.pdfIn PDF document text
  • http://auksozvynas.lt/userfiles/file/70803569647.pdfIn PDF document text
  • http://xn--42c1dhzaq5aeb.com/userfiles/files/53276797307.pdfIn PDF document text
  • https://vandolderskb.com/images/usr/vejimegikatosujekave.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16097c98e9e2c1---kumudifemugak.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608c681b9d508---mafisipuzenutabivuditi.pdfIn PDF document text
  • https://sgpropertylawyers.com/wp-content/plugins/super-forms/uploads/php/files/fc213fdd66d9ebf94f3e4428162e2c81/paxetijagagobiwadixusa.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160775ce0aeeed---49474490125.pdfIn PDF document text
  • http://0965818789.com/CKEdit/upload/files/zuxed.pdfIn PDF document text
  • http://ankamet.com/userfiles/file/saxolititetoso.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/bivonegawex.pdfIn PDF document text
  • http://jjinline.org/file_upload/file/kigikuzilaz.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/9177137699.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160766e447e2d3---wisilijejidezakadinax.pdfIn PDF document text
  • https://fiberglasssupplydepot.com/userfiles/files/22130944502.pdfIn PDF document text
  • https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/031ce2b01c455309151bf70fddae1f7d/xufabawozovow.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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