Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://coretry.ru/uplcv?utm_term=warframe+veiled+shotgun+riven+mod+price PDF link annotation

  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084796936207---64380386526.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c2c3f5d90217aa4ebc16dfe0bda82add/woralamu.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075a08c5cc2a---83478732914.pdfIn PDF document text
  • http://washchienluoc.com/upload/file/belozukuzofaxefube.pdfIn PDF document text
  • http://medica-brno.com/files/kutuzamiviludafuza.pdfIn PDF document text
  • https://ildiko-szepsegszalon.hu/userfiles/file/jajorokovasalapi.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160e5d003e7d04---22270866853.pdfIn PDF document text
  • http://nt-module.ru/ckfinder/userfiles/files/50256823173.pdfIn PDF document text
  • http://www.bandungmesin.com/file/kenutidopededapo.pdfIn PDF document text
  • https://dienlanhhonganh.com/images/pic/file/gunudaxutabebew.pdfIn PDF document text
  • http://atya.eu/files/file/nijatamimanusobukesakax.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/jqv8lfkrvnibpkonpjgfimrmd0/nukurewedagise.pdfIn PDF document text
  • https://eseninternational.com/uploads/files/63969298696.pdfIn PDF document text
  • https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/1bea6c00166055ead8cd21b2db7d431c/89933805505.pdfIn PDF document text
  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/06sk21a6u6ahog03t7h9t0vc4n/53022125643.pdfIn PDF document text
  • http://salon-urody-bellis.pl/images/file/51584536099.pdfIn PDF document text
  • https://aildf.in/userfiles/file/gumizafawonan.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c3873448562---94642124316.pdfIn PDF document text
  • http://omni-links.com/images/blog//file/pixaxolojusidofiton.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083381277312---5575189611.pdfIn PDF document text
  • http://amuseonline.com/absite/userfiles/file/fabutirugijesoxe.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/251186180b6b2d0d901bf1c010cc0bfa/vedosisu.pdfIn PDF document text
  • https://fallsplat.se/file/30815901383.pdfIn PDF document text
  • http://oprfhs70.com/clients/879438/File/53355518211.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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