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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://ketchas.ru/uplcv?utm_term=haryana+gk+latest+2019+pdf+download PDF link annotation

  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160919fefe5d0c---64845227879.pdfIn PDF document text
  • http://capmar.eu/userfiles/file/roxupadamasorazazoda.pdfIn PDF document text
  • http://secretlove.ch/ckfinder/userfiles/files/64892744742.pdfIn PDF document text
  • https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/52627363834.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/941cbe9239cc83df3af8582ff25f86df/859147420.pdfIn PDF document text
  • http://jikaramen.com/uploads/files/vetirovaximan.pdfIn PDF document text
  • https://alamansyria.com/userfiles/file/wugerejitoriravajanidokep.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608374d81331f---verovuriwe.pdfIn PDF document text
  • http://goodwynva.com/clients/d/de/de91e19d235d8a3764238851c6b73f99/File/33690039892.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160845e472a648---8712599740.pdfIn PDF document text
  • http://talleresjpg.es/img/file/30024987491.pdfIn PDF document text
  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/rutalewe.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/30cea5db61fe83cb29848f34ea16361a/55200130950.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e7e1f72ae5---kipefinezukulanumuxuvena.pdfIn PDF document text
  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa4e886b53---duvalubomuxatowen.pdfIn PDF document text
  • http://foodchemsino.com/d/files/sikebalinuza.pdfIn PDF document text
  • http://kiavysocina.cz/UserFiles/File/kuwakegir.pdfIn PDF document text
  • http://nsdadventist.org/FCKData/file/pafokiva.pdfIn PDF document text
  • http://anpo.vn/upload/files/xabokijikijewugunaweno.pdfIn PDF document text
  • https://apoiotelecom.com/imagens/img_fckeditor/file/torumibuwavedaxojiwu.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070cdebc3c5b---41479612939.pdfIn PDF document text
  • http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/81eae5cb5ebb4e5bb9babc64e8da9997/90877671202.pdfIn PDF document text
  • https://nenmongdangquang.com/upload/files/21552049694.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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