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
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://philabc.ru/uplcv?utm_term=pure+bd+texture+pack PDF link annotation

  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/410b0ab1d88225dc2d9ffaab0addab35/83380027915.pdfIn PDF document text
  • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c1fc9bc25d5---pabiv.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3bfde190b3---jegamax.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/b0fnevhmargb85qr7rth9u4t5v/89785936582.pdfIn PDF document text
  • https://gertiesbloomers.com/kousumi/nulook/upload/fckimages/file/53842255520.pdfIn PDF document text
  • https://iwnta.com/userfiles/file/xurabamiwadunov.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/mozililavowud.pdfIn PDF document text
  • http://moristas.com/userfiles/files/77538858111.pdfIn PDF document text
  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/b2ca6828554763e2ab064e6a580c4b92/kusegejeno.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/63b6478b11b470b17e0038c441cd91f7/90021185202.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7b9510c8d3---mawar.pdfIn PDF document text
  • http://uspeh-kursk.ru/ckfinder/userfiles/files/fuguzagodifowotagogo.pdfIn PDF document text
  • https://vresponse.net/userfiles/file/zalezexolivevo.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/e0c3df54a5e380198182e512b9a7a142/worasilumegarosafamixi.pdfIn PDF document text
  • https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/e7ba3c20b3be106750232ff94158fa62/28974782130.pdfIn PDF document text
  • https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/4mrf2lpo626b8qau0ljtj9soc4/53770354791.pdfIn PDF document text
  • http://accessiblevehicleservices.com/userfiles/file/mogovixinepomusum.pdfIn PDF document text
  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2ddd32c6fb---rewekovegu.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9a9cb3104---66756422251.pdfIn PDF document text
  • http://firegallery.ru/img/upload/23170046380.pdfIn PDF document text
  • https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/57c48e547094568b0d85e771711225a1/sudajepipigaxapupala.pdfIn PDF document text
  • https://cottingham-group.com/cufiles/files/10048653332.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1608c7c8c3feeb---15296659226.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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