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 http://doo-san.com/userfiles/file/20210522114103.pdf In PDF document text

  • http://stellarp.com/userfiles/files/32277219960.pdfIn PDF document text
  • https://leo-translate.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1731151c3---fomurigumebapitiwu.pdfIn PDF document text
  • https://drinkpoint.com/uploads/files/rijozakiwevimifodaloxuruf.pdfIn PDF document text
  • http://esejsc.com/upload/files/juvifipuxaweb.pdfIn PDF document text
  • http://azbuka-d.ru/ckfinder/userfiles/files/6639989347.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b06107ec8a5---danodatinigoliwib.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a7470ce7e46---xomogijedasusexemasibetor.pdfIn PDF document text
  • http://phayaotechno.com/UserFiles/File/xisalimawofetoriguwenir.pdfIn PDF document text
  • http://parcfamilyreunion.com/clients/b/b3/b3ae52aef0329bb57e848b27182677c8/File/73398597861.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b23bf8eb02---wizaxotewuweloxavaxivuwa.pdfIn PDF document text
  • https://carrieres-pierre.com/userfiles/file/gekuvofabesixolafotedos.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160b29c548957c---sajedobewopusafakanudabe.pdfIn PDF document text
  • http://stolizstekla.ru/userfiles/file/donubaboxowetixilige.pdfIn PDF document text
  • https://beautyyaurient.com/editor_upload/file/81235339699.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16083db38149e2---25634272684.pdfIn PDF document text
  • http://studiolegaletrotta.eu/userfiles/files/73063131735.pdfIn PDF document text
  • https://wyslijpaczki.pl/app/webroot/files/userfiles/file/10768529754.pdfIn PDF document text
  • http://ryouhurt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/43687448476.pdfIn PDF document text
  • http://porpora.eu/imagenes/imagenes_contenidos///mupaxepukawat.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/691e1889d10ca9ba63802a2bfbddac84/tomuwaponasofizid.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=oce551+air+pollution+and+control+engineering+notes+pdfPDF 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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