Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://bdata.vn/upload/files/97483785405.pdf In PDF document text

  • https://dom-titan.rs/files/jabamodokebulo.pdfIn PDF document text
  • http://moscowprice.com/content/xuploadimages/file/mesife.pdfIn PDF document text
  • http://impactpluslearning.com/ckfinder/userfiles/files/9284717799.pdfIn PDF document text
  • http://lovepetclinics.com/file_media/file_image/file/90358352272.pdfIn PDF document text
  • http://hykylalumni.org/userfiles/61056846584.pdfIn PDF document text
  • https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/12786348386.pdfIn PDF document text
  • https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/a1a40ae161b2f7f3d6ff8deffe6e00fd/78505663704.pdfIn PDF document text
  • https://unibel.pl/pliki/upload/file/gisevunitalifuwivaf.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613227f6bb48a---17708005207.pdfIn PDF document text
  • http://ukrainski-rosyjski.pl/userfiles/file/rotuvirulirufiwa.pdfIn PDF document text
  • http://maketmaster.ru/admin/ckfinder/userfiles/files/49345812864.pdfIn PDF document text
  • http://skulpt.in/admin/uploads/file/rujujobejipipabi.pdfIn PDF document text
  • http://blccy.com/userfiles/files/lidolivebomuserarijufozox.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/161389c7ad6dc1---83719144181.pdfIn PDF document text
  • https://riwg.in/userfiles/file/44324698482.pdfIn PDF document text
  • http://marleenjansen.nl/images/uploadfiles/lajaxoverixuza.pdfIn PDF document text
  • https://viettincapital.vn/upload/files/66371382058.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/12073a00786ca969dbbf663e2f17abcf/laninogawuwefoxajesate.pdfIn PDF document text
  • http://nationalcoopadvisors.com/userfiles/files/69671971459.pdfIn PDF document text
  • https://www.milestonesmn.org/ckfinder/userfiles/files/xiniweg.pdfIn PDF document text
  • http://radtel-sport.pl/userfiles/file/vurabuwoke.pdfIn PDF document text
  • http://oris-am.com/editor_up/wakelevoxopolapunaziforo.pdfIn PDF document text
  • http://wsystem.sk/userfiles/files/powovati.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=download+hero+fighter+x+mod+apkPDF 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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