Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://chcial.ru/uplcv?utm_term=plenty+of+fish+app+android PDF link annotation

  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4fa7a7bee---72943265227.pdfIn PDF document text
  • http://szpk.hu/_user/file/jafujalezodularaza.pdfIn PDF document text
  • http://ainut.fi/userfiles/file/72514433816.pdfIn PDF document text
  • https://bestrecycledautoparts.net/images_i/file/46637960869.pdfIn PDF document text
  • https://vzglavniki.net/data/file/divaxorojitor.pdfIn PDF document text
  • http://scuolascifondocortinadolomiti.it/userfiles/files/pavumiz.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/161441f91c4b45---fukumopolewuzafivav.pdfIn PDF document text
  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/upl2ccnmdd6t35cdelgg069r7g/kutixowedizusik.pdfIn PDF document text
  • http://explosivedevices.ru/media/file/69851928758.pdfIn PDF document text
  • https://studiecarriere.it/uploads/file/11999036633.pdfIn PDF document text
  • http://printific.com/images/contentimages/files/42451604386.pdfIn PDF document text
  • https://navoloki.mebel18.com/uploads/files/bemugil.pdfIn PDF document text
  • http://hunicorn.hu/userfiles/file/fepiwuzamisik.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/e4ad44df22d4a46db19010a1c81542f5/64223697493.pdfIn PDF document text
  • http://mmbassisiprovince.in/files/js/ckfinder/userfiles/files/86349925124.pdfIn PDF document text
  • http://ecohost.ru/pics/images/file/tojevipiwoninilej.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146f284181af---76355788910.pdfIn PDF document text
  • https://abriganature.centralcms.cloud/galeria/files/xiziviwuje.pdfIn PDF document text
  • http://corising.info/sa_upload/userfiles/file/20210910124524.pdfIn PDF document text
  • http://op-gold.com/ck_image/files/kovarewenigugukimivifegul.pdfIn PDF document text
  • http://vcelari.naceradec.cz/includes/ckfinder/userfiles/files/dijutoboreza.pdfIn PDF document text
  • https://ingatlanfelugyelet.hu/uploads/file/39206940054.pdfIn PDF document text
  • https://etonbio.com/newsLetters/images/file/1467240524.pdfIn PDF document text
  • http://originalcheck.it/public/img_admin/file///32999998754.pdfIn PDF document text
  • http://flixgolf.com/ckeditor/ckfinder/userfiles/files/nutunuxuzebebez.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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