Malicious PDF — malware analysis report

Heuristics 6

• 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 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://crewmak.ru/uplcv?utm_term=ap+calculus+ab+exam+2020+pdf PDF link annotation

  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c0b633772f5---vedizebamemopanofusafo.pdfIn PDF document text
  • http://scandirent-new.ru/uploads/assets/file/7608207210.pdfIn PDF document text
  • http://busankid.com/webfiles/board/file///70138618033.pdfIn PDF document text
  • http://elijahlaurabishopblack.com/clients/b/be/bed082b287f5bb70db4763ab929fc18a/File/62555027850.pdfIn PDF document text
  • http://guides2alpes.fr/uploads/file/87150036728.pdfIn PDF document text
  • http://wonikqnc.com/upload/editor/file/1623151587.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/43c4205dfcfd6f107a0fd09bd48e0c15/nebobivudepusakaletazilis.pdfIn PDF document text
  • http://ore-processing.ru/d/files/85378769207.pdfIn PDF document text
  • https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/2cb6c2803ecdf439c5739ffecd53cfaa/55637147709.pdfIn PDF document text
  • https://troypin.com/calisma2/files/uploads/89272804033.pdfIn PDF document text
  • https://taechoclub.com/FileData/ckfinder/files/20210614_1E65E9AB9C37D7E5.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c909ee85fae---75463914335.pdfIn PDF document text
  • http://sintellect.ru/Repository/file/4007129268.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0fe73712ed---pegilenabu.pdfIn PDF document text
  • http://anatolianlgs.com/userfiles/file/gomalat.pdfIn PDF document text
  • http://pietroquatriniarchitetto.eu/userfiles/files/48803147925.pdfIn PDF document text
  • https://path.mn/userfiles/files/jotesa.pdfIn PDF document text
  • http://fastgood4cheap.com/clients/4890/File/31639039098.pdfIn PDF document text
  • https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/v154vufkt515i199pjg1mt5e66/22836791969.pdfIn PDF document text
  • http://dishandspoonproductions.com/ckfinder/userfiles/files/bitoropifik.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/kunezukejinanobugot.pdfIn PDF document text
  • http://bronia.org/userfiles/file/nonenofaxadaxujerifoduk.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/3b765ae526009cf070fed7cc2ad533c4/53473319633.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/16083041c36ff8---vefasivegadamodosusarare.pdfIn PDF document text
  • https://workinhotel.com/upload/fckfile/557830315.pdfIn PDF document text
  • http://beautybybelief.com/admin/images/file/24563127724.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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