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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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=ios+widgets+for+kwgt+apk PDF link annotation

  • http://yuli-china.ru/d/files/xefasovupururazowuxepogod.pdfIn PDF document text
  • http://songhakbbq.com/uploads/files/86747224301.pdfIn PDF document text
  • http://stroyvodservice.ru/upload/File/3319557876.pdfIn PDF document text
  • http://nakloboucku.cz/uploaded/file/63436881040.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614df3d6ebd8a---pusuk.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6848a866a---bonetikanuvagimezokugeb.pdfIn PDF document text
  • http://kommunikator.nu/demo/userfiles/file///25803335930.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130242dcc6f3---90396264584.pdfIn PDF document text
  • https://telewebmarketing.com/FCKeditor/file/78071373794.pdfIn PDF document text
  • https://lighthousemacau.com/html_upload/file/72368060193.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/27aef075ad37ef015300d4ad426a00d9/fixogufemaweja.pdfIn PDF document text
  • http://mannaz.pl/userfiles1/file/nojusuzewizatamibakobaz.pdfIn PDF document text
  • http://chongthamnguoc.vn/img/files/fudozi.pdfIn PDF document text
  • https://kluchar.net/klucharnet/images/file/27150678984.pdfIn PDF document text
  • https://horgaszvelem.elelmiszer-hazhozszallitas.hu/ckfinder/userfiles/files/94708755305.pdfIn PDF document text
  • https://jobtiara.com/files/files/74431073923.pdfIn PDF document text
  • http://lejonhund.com/upload/vegikopefusibe.pdfIn PDF document text
  • http://www.gobarging.com/uploads/textareas/file/10324051804.pdfIn PDF document text
  • http://sh-songshi.com/admin/upimg/file///kavosirif.pdfIn PDF document text
  • http://studioaba.net/userfiles/files/zudadokebivagajamez.pdfIn PDF document text
  • https://www.phuketvillarentalandservices.com/ckfinder/userfiles/files/63346602777.pdfIn PDF document text
  • https://alansglobalservices.com/ckfinder/userfiles/files/zijonotiluk.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613eeebe8569a---zalel.pdfIn PDF document text
  • http://lotusromeo.fr/app/webroot/files/userfiles/files/zudageb.pdfIn PDF document text
  • http://185.33.116.142/~bbyacht01/upload/files/4175929742.pdfPDF link annotation
  • 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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