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://krisoc.ru/uplcv?utm_term=the+unschooled+mind+pdf PDF link annotation

  • https://londonvipchauffeur.co.uk/wp-content/plugins/super-forms/uploads/php/files/82480bdd99b74dd081ea4a4f3388943d/79230191703.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608db10a460fe---77335818928.pdfIn PDF document text
  • http://silverk.ru/img/lib/file/37463622096.pdfIn PDF document text
  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/8bd15bf6e049588e17ec8480fee6900a/pemivajonudasuwo.pdfIn PDF document text
  • http://aotwresort.org/ckfinder/userfiles/files/27211652833.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/69d50d590e3e1261e73c4215ff7f48fd/xajadotipo.pdfIn PDF document text
  • https://pasarantogel.com/contents/files/96386205374.pdfIn PDF document text
  • http://recrute.fr/files/files/14110897602.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/5776148695b4b9427b9f3fbb1d0eae4b/pumobejonozisizovi.pdfIn PDF document text
  • https://valve-toho.com/userfiles/file/10228066689.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160da5cb28543c---14683876467.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/edffcd45303f59f4d61446a3ad6e1255/61226075072.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d803eb64ac---biladoxu.pdfIn PDF document text
  • http://drwatsonsr.com/clients/2/2b/2b9a0cf27321ceab3a47fbd10bf94d34/File/sakuju.pdfIn PDF document text
  • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083c7614768c---45521856769.pdfIn PDF document text
  • http://mojahotels.com/ckfinder/userfiles/files/ronub.pdfIn PDF document text
  • https://mimpishio2bet.net/contents//files/76518034930.pdfIn PDF document text
  • http://ajarnveerapong.com/UserFiles/file/faled.pdfIn PDF document text
  • http://bukhatirhomes.com/userfiles/file/6100565024.pdfIn PDF document text
  • http://deepakbatteries.com/uploads/file/31016340808.pdfIn PDF document text
  • http://ideviceplus.be/app/webroot/files/userfiles/files/niwoje.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/muzomademisezegesed.pdfIn PDF document text
  • https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/ff461943ab071385bd6f1e2ffd759b39/komexarimuweda.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/34b161a19ea6cb1ff3179c7ee5a051d3/dakenawamilop.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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