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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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 https://smidgel.ru/uplcv?utm_term=engineering+circuit+analysis+solutions+manual PDF link annotation

  • http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3422d1bcf---32288255126.pdfIn PDF document text
  • http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed26ed86d7---50033480574.pdfIn PDF document text
  • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/d2bac54ab93cdc293ced16ac10631a2d/68308560119.pdfIn PDF document text
  • http://thenext.pk/userfiles/files/13557455833.pdfIn PDF document text
  • http://woorymart.com/userData/board/file/70501160312.pdfIn PDF document text
  • https://cosplay-expo.it/ckfinder/userfiles/files/wuzitufuluxubud.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161010dbbcfb24---wuroxekilixuxufus.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/0aptgoi8276hrbf219gc9s11k3/38070271749.pdfIn PDF document text
  • http://knshzj.com/CKEdit/upload/files/15135744552.pdfIn PDF document text
  • http://etalentlink.com/uploadfile/file///2021081918443880.pdfIn PDF document text
  • http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbeb902ca0---bakarozub.pdfIn PDF document text
  • http://ayurveda-shiatsu-nice.com/upload/files/matat.pdfIn PDF document text
  • https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe49b95a776---69448743041.pdfIn PDF document text
  • http://ajisushionline.com/uploads/files/48427877773.pdfIn PDF document text
  • http://southfieldhigh1973.com/clients/2/27/27a5067865c8334ad4a5a1fd7642c928/File/tuvijokowijuxonavaxokoxe.pdfIn PDF document text
  • https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/59d3e3db68c9fbfba20ea795f1bebc92/15596341452.pdfIn PDF document text
  • https://xo-sound.ru/userfiles/file/65160205670.pdfIn PDF document text
  • https://curvy.tw/upload/files/webabamujivagukagezipal.pdfIn PDF document text
  • https://www.sibirprokat.ru/ckfinder/userfiles/files/nupazanufib.pdfIn PDF document text
  • http://www.darvidproperty.com/news/file/86201284823.pdfIn PDF document text
  • https://aptitudeclass.com/ckfinder/userfiles/files/19012894627.pdfIn PDF document text
  • http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160d3846b33042---70523855458.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/9140d963c961be5636965cdfc8eddf1c/19658105217.pdfIn PDF document text
  • http://holmeslawfirm-iowa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nakozupopekatinezomelu.pdfIn PDF document text
  • https://kompaspt2.com/contents//files/fiwibukik.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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