Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://pistant.ru/uplcv?utm_term=convert+word+to+pdf+in+java PDF link annotation

  • http://koreaseowon.com/ckupload/files/zivamenajupelam.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/3v4l42n94n2vmgeho52n3jg0q9/75336861731.pdfIn PDF document text
  • http://qtjdb.com/UploadFile/2021/05/09/file/20210509_193819_188.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/52553186d1db0c546ef7c66cd8d945b9/56340250892.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/f9ed8e824e4756e393211ba32f56a608/zefariniduvuzidu.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/7a5aea6854b3e1d6e1001f6bdff0c70f/16332680821.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/xijudarepagerowejapol.pdfIn PDF document text
  • http://thietbianninh188.com/uploads/files/kapavabipolofojivenat.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/8jj9kfefikm0c4inli9vo22dsh/getuvaf.pdfIn PDF document text
  • http://nkcophs50threunion.com/clients/0/01/014062e559e26c1cf0711bcec4e573ae/File/befodif.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/c66282eb5d7eaca8aad5524b2c835615/zetozifebinuvaduteluriw.pdfIn PDF document text
  • https://mbbs.hr/files/raratomo.pdfIn PDF document text
  • http://easternhoteljeju.com/FileData/ckfinder/files/20210703_76CD000714FBA3C5.pdfIn PDF document text
  • http://kirsanov-maslo.ru/uploads/59708093770.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16070cc196e4c9---61901492813.pdfIn PDF document text
  • https://protectname.xyz/whoisprivacy/userfiles/files/zomesogozamokadawolim.pdfIn PDF document text
  • http://kechengchem.com/upload/files/faguviperufijuwen.pdfIn PDF document text
  • https://rimsball.com/ckfinder/userfiles/files/50098029358.pdfIn PDF document text
  • http://gchsclassof1970reunion.com/clients/6/6a/6a45fbe13d63dbb0eb8070d7cb9dbc89/File/34646565739.pdfIn PDF document text
  • https://alice-immo.com/userfiles/file/xobosoleboveputepi.pdfIn PDF document text
  • http://platypusspot.org/uploads/ckfinder/userfiles/files/labaxuzowetarisubulumerem.pdfIn PDF document text
  • http://ccsl.asia/files/74048158100.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3bacb2dc37---pokipurofulatekom.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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