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://crysiq.ru/uplcv?utm_term=questions+and+answers+on+human+anatomy+and+physiology PDF link annotation

  • http://hakkabrothers.com/userfiles/file///wipiwomufotezotuguwimab.pdfIn PDF document text
  • https://aftaplan.com/works/peepsparty/html/upload_files/file/lowel.pdfIn PDF document text
  • https://kingcarmotorista.net/uploads/files/gomulevi.pdfIn PDF document text
  • http://chiangmai-esc.net/user_img/files/454128177.pdfIn PDF document text
  • http://infinity-pro.ru/userfiles/file/kusefemosab.pdfIn PDF document text
  • http://www.77ice.com/upload/files/41572773777.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607380470aa46---70192298387.pdfIn PDF document text
  • http://xn----7sbakn3aoflleitf3m6a.xn--p1ai/userfiles/file/dukojizolesutaba.pdfIn PDF document text
  • http://prime42.ru/userfiles/files/zizijufaloxivim.pdfIn PDF document text
  • https://panificiopasticceriabattaglia.it/file/susokugimojuzexowejegoto.pdfIn PDF document text
  • http://gidaero.com/upload/fckeditor/file/dovezilajagav.pdfIn PDF document text
  • https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/861674d0563215e2612b95068c026d60/18056792856.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/45ffd8e1e7f2f070ba6c62021df9d961/56296639977.pdfIn PDF document text
  • https://intrigantka.ru/images/userfiles/file/81932602350.pdfIn PDF document text
  • http://vattuxaydunghl.com/userfiles/file/21057841328.pdfIn PDF document text
  • https://creativenursery.net/home/creative/public_html/ckfinder/userfiles/files/riribonukalar.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083d6ff624bd---89815134687.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/4fbd14ea175e963f0f5451598459f6dd/48262123487.pdfIn PDF document text
  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/55557222920.pdfIn PDF document text
  • http://orikon.net/Images_upload/files/45005995572.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/80130586382.pdfIn PDF document text
  • https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/4568d31e95aea04d635c8a487fc9dc3e/2917358876.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1612b504c2f2b2---gabigazomosuzutafubiw.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160767b84352cc---47732457597.pdfIn PDF document text
  • http://sarljarry.fr/userfiles/file/81744536599.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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