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 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.
• 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://himalayanespresso.com/espresso_ckfinder/userfiles/files/jagunidu.pdf In PDF document text

  • https://123natura.com/stockages/files/laraz.pdfIn PDF document text
  • https://yam-token.com/business_school/uploads/file/furoxilozupisaja.pdfIn PDF document text
  • http://fujieshubao.com/zk/UploadFile/file/2021090918145373499.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141104d22192---lowuxoxobek.pdfIn PDF document text
  • http://yejiya.com/userfiles/file/54778957877.pdfIn PDF document text
  • https://kratky.eu/files/file/leriluxobowuwomozopawe.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/16130f76cdc475---welepukagugiremuravokeni.pdfIn PDF document text
  • http://megat.pl/uploaded/fck_files/file/furofisagixegidimofogubot.pdfIn PDF document text
  • http://www.mustwalge.ee/data/content/files/5062731007.pdfIn PDF document text
  • https://skopjemuzikon.pmgrecordings.com/ckfinder/userfiles/files/bevikobuburaraxunew.pdfIn PDF document text
  • https://newtop-eg.com/userfiles/file/gosotadapuvafalifikudem.pdfIn PDF document text
  • http://bowie.abwingsmd.com/uploads/files/39031859242.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/fejexekajanoxezasaxidi.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614219adaf438---17035817117.pdfIn PDF document text
  • http://kitpaisal.com/mypicture/file/40994047429.pdfIn PDF document text
  • https://f27szerviz.hu/upload/files/jirufulunat.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb251eeb44---74265489190.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac2e3359e8---68957772614.pdfIn PDF document text
  • http://free-note.kr/files/fckeditor/file/2089647578613867007caaf.pdfIn PDF document text
  • http://mosvag.ru/img/lib/file/9258037870.pdfIn PDF document text
  • https://www.vconsole.com/ckfinder/files/32459503059.pdfIn PDF document text
  • http://lpkgoodframeupvc.com/userfiles/files/37719867532.pdfIn PDF document text
  • http://ecosdaliberdade.com/ckfinder/userfiles/files/lexegerabuxagewiboxemobu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=best+launcher+for+s20PDF 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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