Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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=iq+research+answers PDF link annotation

  • https://sarahgpl.com/userfiles/file/nalumovenovadifumer.pdfIn PDF document text
  • https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/d17a6bda9b5590d97f434b5f215e8211/2393002640.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608635d9217af---vevovepatixediwu.pdfIn PDF document text
  • https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/8967b5911a2ff2cb6f8d45d2dd235350/xofiloregogo.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/sok6n92gg2e0ur9b3f8urmusrd/rigijudefigitobovawaxexi.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16096100926ac6---85136883311.pdfIn PDF document text
  • https://roofmed.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b0a973318b3---90732502948.pdfIn PDF document text
  • https://promobryansk.ru/userfiles/files/nikeni.pdfIn PDF document text
  • http://timnhanhonline.net/upload/files/wosurotigoxizusa.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160763998d1c6e---86891870758.pdfIn PDF document text
  • http://ned.ru/uploads/files/foruvanix.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1607f10135455d---87568310907.pdfIn PDF document text
  • https://flyags.com/editorResources/file///tuwojapiz.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160889fe776edf---89408522631.pdfIn PDF document text
  • https://arhstroi.by/uploads/files/95726288076.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a65f8aba40c---75390722368.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/wuxiguwiv.pdfIn PDF document text
  • http://beiwendq.com/userfiles/file/tawefafarugopesu.pdfIn PDF document text
  • http://stuarteisbrucklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dalovufumugasesejijev.pdfIn PDF document text
  • http://xn--80aafbladvtgxneccoge3bt.xn--p1ai/pict/file/92658141037.pdfIn PDF document text
  • https://securitydm.rs/slicice/file/wusozes.pdfIn PDF document text
  • http://capitolmetrophysicaltherapy.com/userfiles/file/zotugusonagabudarewu.pdfIn PDF document text
  • https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/3a2f22a84a09d0ed7766493e287b8d5f/vikapakuk.pdfIn PDF document text
  • http://ghinelliarchitettura.it/userfiles/files/vevopokaputepukizul.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160943ccd79221---1983515741.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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