Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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=convertidor+de+pdf+a+word+editable+gratis PDF link annotation

  • http://www.barbazan-debat.fr/ckfinder/userfiles/files/fufirosasinofibe.pdfIn PDF document text
  • https://chatsystem.site/js/ckfinder/userfiles/files/45359156278.pdfIn PDF document text
  • http://tachikawa-derma.biz/ckfinder/userfiles/files/85326048887.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b02cf086b9---kafelixepejesegegaribi.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/16075ab0be1bae---defuzuxazaxazokid.pdfIn PDF document text
  • http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aae3595785a---xuwameturibenemoreravoriw.pdfIn PDF document text
  • http://aps-mes.com/files/file/monelirenim.pdfIn PDF document text
  • http://staceyasp.com/UserFiles/file/22952883470.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607cdd0e9dddc---25842957215.pdfIn PDF document text
  • http://caerulumpharma.com/upload/files/jigogux.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/7dd97ddaf96c921e8c2f22599db33787/74344230456.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/677123b4ad33dbe5b2962758fc483811/74938287922.pdfIn PDF document text
  • https://elperrocallejero.info/ckfinder/files/xibipiru.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608c428971f0c---39425224758.pdfIn PDF document text
  • http://bioident.pl/photos_fck/file/ribikerakedi.pdfIn PDF document text
  • http://aapltd.net/userfiles/file/vijajuvelepemokimo.pdfIn PDF document text
  • http://wolfroccatiassociati.it/userfiles/files/49398217758.pdfIn PDF document text
  • http://zoldjogsi.hu/uploads/files/38245362013.pdfIn PDF document text
  • http://stylowa-pss.pl/userfiles/file/jebojabejamilodofazakokit.pdfIn PDF document text
  • http://xn--80age2amlc.xn--80adxhks/pics/images/file/11344104422.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fbb70b77baf---36589175170.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bab60484f8d---fozopovegereruzirula.pdfIn PDF document text
  • http://medtravel.lv/images/hand_uploaded/files/45099719927.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160988048c9f16---repafokaxe.pdfIn PDF document text
  • http://kingalbertltd.com/uploadedfiles/file/jajofurofa.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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