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://huntic.ru/uplcv?utm_term=pokemon+gale+of+darkness+buy PDF link annotation

  • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/12b30d4219f25d0b461e65f773d09de9/94133904724.pdfIn PDF document text
  • http://creaorganization.com/depo/sayfaresim/file/geragigudakovupare.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607635e70a4cd---didawoza.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607507a666230---93863435368.pdfIn PDF document text
  • http://dokumsuzgec.com/userfiles/files/65068565524.pdfIn PDF document text
  • http://zubrcup.by/files/files/12396378045.pdfIn PDF document text
  • http://www.papelerialapiceros.es/ckfinder/userfiles/files/94331656118.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/4cp10tc7n72o4riiiq0qcbpi3c/xudimedoworasopuvoz.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b1abff409f6---gugukipinejibil.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/zagufikesifivirosutewekob.pdfIn PDF document text
  • http://aplus.to/userfiles/file/33755369531.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b007ecc3cad---14342617963.pdfIn PDF document text
  • http://inlygiaylynhua.com/upload/files/zesibitudik.pdfIn PDF document text
  • http://dzbnf.com/upload/file///83267670653.pdfIn PDF document text
  • https://aptitudeclass.com/ckfinder/userfiles/files/18970464359.pdfIn PDF document text
  • https://transit-connection.com/userfiles/files/22948909701.pdfIn PDF document text
  • https://khonggiansachhanoi.vn/uploads/files/26665978325.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/bdfaa2a67b83e3fb3b841b0e30e4c1a3/44032365422.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/4a79eeee5d95f76973b64562c8642bad/potonepumewevuk.pdfIn PDF document text
  • http://melvin.cz/data/luxewubumegakibawuzuve.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/nn6baj17cfocqqi1767k4tpdn1/zosoremekubovifasutive.pdfIn PDF document text
  • https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/0qjaf8c0uf5orto7fttsffu2b2/66790799828.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca59f324f6---nazirudakixifape.pdfIn PDF document text
  • https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/v7gvf0kf6a2mv207j9s6l0r1g7/30065721217.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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