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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://synerhu.ru/uplcv?utm_term=gta+5+apk+without+human+verification PDF link annotation

  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/eeb7ff8742420a224fb78667228b04f7/52131600460.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/c4a84e3790c020096f6732e0bdc85b47/22995214562.pdfIn PDF document text
  • http://aftckwt.com/uploads/file/semevudirapanekuratovu.pdfIn PDF document text
  • http://gangwonbnb.com/FileData/ckfinder/files/20210603_EC972990AECF4CCE.pdfIn PDF document text
  • http://charivne.info/images/file/basowineruvinewa.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/lr498nafqlis37hp7990qu8cnj/88462886091.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/fortjdllns3p8cdkgq7v66rq31/zupalomekewi.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d9a68dae3---sofalawikuto.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/ec72ad1130790c853a5b3e9e9cc07cbc/mevaziriragodan.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090c3d00a426---wedipa.pdfIn PDF document text
  • http://arniestribu.com/campannas/file/turosokikuxexasa.pdfIn PDF document text
  • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160898f665d7a8---vobamomusujawajibaw.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1608866b830585---52953970003.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/kekimejabelijozoxijosuniv.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/nk6leno8hkq6h0q30k715j7960/lifepogabemuwobuxajudapew.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160989b4bbd63b---53099499360.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn 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
  • http://scripts.sil.org/OFLIn PDF document text

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