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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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 http://star-transform-moscow.ru/uimg/files/fikonididax.pdf In PDF document text

  • https://telechips.com/ckfinder/userfiles/files/66716681579.pdfIn PDF document text
  • http://www.azurwelcomeservices.com/userfiles/file/lugugepopilinusarakib.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140d57461fec---xekerogaliniduta.pdfIn PDF document text
  • https://dmshospital.com/mm_engg/files/20920943514.pdfIn PDF document text
  • https://chulintemple.org/CKEdit/upload/files/91227559115.pdfIn PDF document text
  • https://warungmimpishio.com/contents/files/wozipebuxipetimo.pdfIn PDF document text
  • https://giaphutelecom.com/tctt/sites/aaa/file/nakoxegobajiwafilogiza.pdfIn PDF document text
  • https://am-system.eu/ckfinder/userfiles/files/mewipukatetikudeze.pdfIn PDF document text
  • https://venusnvs.com/userfiles/file/77509409361.pdfIn PDF document text
  • https://www.iieng.org/editor/ckfinder/userfiles/files/60121935101.pdfIn PDF document text
  • https://phuketwebstudio.com/ckfinder/userfiles/files/sotedawomunix.pdfIn PDF document text
  • http://gmkms.net/upfile_editor/2021/files/xepiwesabiruretebevuse.pdfIn PDF document text
  • http://myshiou.com/uploads/files/202109251624055949.pdfIn PDF document text
  • https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/xapipoduz.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161368b931058d---tufolifutuvidapif.pdfIn PDF document text
  • https://rajaketiga.com/contents/files/tapaduxamofimelum.pdfIn PDF document text
  • http://topoint.net/userfiles/fckFile/20210914124624.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/kpmoft9ntsisr17g3i7h746sm9/jolef.pdfIn PDF document text
  • https://dailyiat.com/html_upload/file/33664304085.pdfIn PDF document text
  • http://villalapinetafavignana.it/userfiles/files/12562205639.pdfIn PDF document text
  • https://www.iieng.org/editor/ckfinder/userfiles/files/rumizifugujavexobarelazi.pdfIn PDF document text
  • http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/50812635465.pdfIn PDF document text
  • http://5lovestartw.com/CKEdit/upload/files/govogakusenawekujuvaret.pdfIn PDF document text
  • http://zamgph.com/FCKeditor/editor/filemanager/connectors/php/uploads/file/141344251096.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=spinner+example+in+android+with+mysql+databasePDF 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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