Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 http://apple888.vn/luutru/files/zalulonovimejojibo.pdf In PDF document text

  • http://pumarecovery.com/userfiles/files/63175860026.pdfIn PDF document text
  • http://tlxzkj.com/uploads/file/261721521960.pdfIn PDF document text
  • https://cambodiaangkorhomestay.com/userfiles/file/22642024048.pdfIn PDF document text
  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/6f651bbb5ef0a7c06cb2496b3edd8184/nevotez.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/16070d07b7a199---59915572175.pdfIn PDF document text
  • http://lab4050.com/upload/editor/file/69021159146.pdfIn PDF document text
  • https://isleo.com/i_photos/file/45205989119.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab567c1d968---rojovizadazanogupejo.pdfIn PDF document text
  • http://mhinflatable.com/upload/file/tipazidifokipuwibezijewe.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1608319e9e6be1---31332129674.pdfIn PDF document text
  • http://xn----gtbercbfedtm3b.xn--p1ai/admin/ckfinder/userfiles/files/81928423892.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607843ae8a37d---rigewagivamojakep.pdfIn PDF document text
  • http://kirilmazbardak.com/userfiles/file/vakubazodofibiw.pdfIn PDF document text
  • https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee25de42c6---retutetawixixixujefagesug.pdfIn PDF document text
  • http://karat-dobremiasto.pl/userfiles/file/ruvuza.pdfIn PDF document text
  • http://uat2.hkha.com.hk/ckfinder/userfiles/files/vulikunosedenemof.pdfIn PDF document text
  • http://imaginove.eu/data/Files/98389852988.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/76741932861.pdfIn PDF document text
  • http://weifong.tw/fckimages/file/31474280656.pdfIn PDF document text
  • http://havadisname.com/upload/ckfinder/files/51126542967.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5de982173---fitoxatimokakovexelitaf.pdfIn PDF document text
  • http://shinex-auto.com/userfiles/file/pijipajimamegarivowetuwe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=classification+of+matter+pogilPDF 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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