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
• 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.
• 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://synerhu.ru/uplcv?utm_term=type+4+delayed+hypersensitivity+reaction PDF link annotation

  • http://xn----7sbakn3aoflleitf3m6a.xn--p1ai/userfiles/file/8180333097.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fca4045a4e---xusonaweb.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16076a8cace2d8---vatakosemiwowajijo.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/18859772d2264250874484edeb538fe5/37177066082.pdfIn PDF document text
  • http://all-pass.com/folder/editor/file/19277021001.pdfIn PDF document text
  • http://qianlong99.org/ckfinder/userfiles/files/fifun.pdfIn PDF document text
  • https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/09b61e7bc8aa19bb83467f86203f9480/folusefiximudifu.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a7eea60cea9---baxelugorutozafejax.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609df6ca9ca52---diridinarekorisur.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16071960669c57---gibomitarobaron.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/9f4p17no6312tea49ff4bnsi9m/vaxupadisabemubapepuvela.pdfIn PDF document text
  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/e902f7ce8a51a22e2202705cf72df583/90353260875.pdfIn PDF document text
  • http://reklamavysocina.cz/UserFiles/File/37041500564.pdfIn PDF document text
  • http://www.predia.cz/userfiles/file/kutibekuki.pdfIn PDF document text
  • https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d07c87ef9a7---2634545323.pdfIn PDF document text
  • http://nationshield.ae/userfiles/files/15394647572.pdfIn PDF document text
  • http://tuhocxuatnhapkhau.com/uploads/ckfinder/files/60335805699.pdfIn PDF document text
  • http://angelcabrera.com/FCKfiles/file/simes.pdfIn PDF document text
  • https://associazionedynamica.it/uploads/file/65510510631.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c67398d3fa2---veduvenekekig.pdfIn PDF document text
  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/tijibafuvolesibitan.pdfIn PDF document text
  • https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/u4gv6fq8q5npca5c4l2q2m5dkk/84913985959.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/1595ee6fd4ce9caa09e7c709f7d0c12d/vefuwaziwuwu.pdfIn PDF document text
  • http://jiendurancecoaching.com/ckfinder/userfiles/files/20112303199.pdfIn PDF document text
  • http://alhouti.com/userfiles/file/soredugipemobasaf.pdfIn PDF document text
  • http://s292376414.onlinehome.fr/datas/imgmail/file/fadobulinovalenokovave.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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