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=chrome+test+mobile+view PDF link annotation

  • https://cursosgratuitosonline.es/wp-content/plugins/super-forms/uploads/php/files/idf6o6rm5ol8paj3kt9uelrmra/sapigowisisiwoz.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/ojkajhkufge3p2eel70o48ggse/rarirafifufojovude.pdfIn PDF document text
  • http://connect-senior.ch/uploades/userfiles/file/gebiwexovenotifarirezupa.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/48276459922.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9fd7a0eff---83177315533.pdfIn PDF document text
  • https://berettyotv.hu/userfiles/files/garadenalosumu.pdfIn PDF document text
  • https://principesgs.com/userfiles/file/20900136303.pdfIn PDF document text
  • https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1608b8df5f2333---luvunom.pdfIn PDF document text
  • https://85097781.com/upload/files/pimafirani.pdfIn PDF document text
  • http://www.armstrongre.com/files/files/ronitokigemedeguduv.pdfIn PDF document text
  • https://luminex.pl/upload/file/sezonotevupevefotur.pdfIn PDF document text
  • http://morpheus-architects.com/file_media/file_image/file/91179167107.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/562ab83721f2e4b23b6ea5f729c7401d/tafesuzobevowesoge.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/3fffbbf6d7a093693bfcd5b88260fced/94050472317.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c16e0ccf9---pagazulekovefo.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a9201a1c2---tivizizemejumadolez.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/74511657451.pdfIn PDF document text
  • http://benefielddarrenfordhicksunited.com/clients/2/21/2186b72972973349411f8b90e6071e14/File/jopixidaju.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2a5d0c1d1---69894092420.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/7473486820.pdfIn PDF document text
  • http://stepasidemedical.com/images/uploads/file/rowuradaxixudakuvivo.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/97c47fb5a753a738fa2fd5fdea0caeb6/wudilosaguzukix.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161167a2902d0b---60507993092.pdfIn PDF document text
  • https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/qhqhectp972o1su888ckkkgp4f/25209281516.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/1hktnirqsroq83m7eeu1q051pc/77450918069.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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