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://nomylo.ru/uplcv?utm_term=sharp+portable+air+conditioner+ion+generator+manual PDF link annotation

  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/d076d0a4ff307610a3d3dd6a338df24b/8306192016.pdfIn PDF document text
  • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/0329010b9d988a84b9bf865bf7684873/73684730168.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608af74b6bdcd---saxof.pdfIn PDF document text
  • https://fotobolfestmeny.hu/mvc/userfiles/file/73871318116.pdfIn PDF document text
  • http://ultrabeauty-ff.ru/userfiles/file/79367185197.pdfIn PDF document text
  • http://usateatop.com/_upload/files/62161933923.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8a21764503---70692359966.pdfIn PDF document text
  • https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1b9a8254d9f19d0e36a9101e68437734/gorapasog.pdfIn PDF document text
  • http://ambulatorioveterinariomariani.it/userfiles/files/66936532663.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/189b220a5abbf3e111af525627ec3a6e/31297086780.pdfIn PDF document text
  • http://modra-skola.cz/userfiles/file/giwelol.pdfIn PDF document text
  • http://atek-ent.com/upload/file/fudugegopidapitokeger.pdfIn PDF document text
  • http://miraesusan.com/ckupload/files/depugakafurawim.pdfIn PDF document text
  • http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0685ebc18---39545687738.pdfIn PDF document text
  • https://debcopharma.com/userfiles/file/tidigezepawebavuwovenud.pdfIn PDF document text
  • https://trimix.bg/UserFiles/File/37390720164.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160748294350bb---komafax.pdfIn PDF document text
  • http://plncse.hu/php_data/file/gitofatonekalebof.pdfIn PDF document text
  • http://goldendoodlesofthesierranevadas.com/userfiles/file/vojig.pdfIn PDF document text
  • https://nepalipublisher.com/ckfinder/userfiles/files/14150056868.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160785ba0a4ed3---zaketibegifedutik.pdfIn PDF document text
  • http://westfallassociates.com/documents/file/34000815725.pdfIn PDF document text
  • https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/i4dkajr6l806edr9nh7lu3kmqk/mikolon.pdfIn PDF document text
  • https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/a4439fe74ed9f98b8999c5942611dca3/77596505450.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/808abe20f66abd6d84bef4ef0107e552/92843236578.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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